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徳島大学 ⟩ ポストLEDフォトニクス研究所 ⟩
徳島大学 ⟩ 研究クラスター群 ⟩ 研究クラスター群 (ミッション実現) ⟩ 2201001 シームレスな光イノベーションを創出する次世代光技術 ⟩
徳島大学 ⟩ 創成科学研究科 ⟩ 創成科学専攻 ⟩ 光科学系プログラム ⟩
徳島大学 ⟩ 先端技術科学教育部 ⟩ システム創生工学専攻 ⟩ 光システム工学コース ⟩ 光情報システム工学講座 ⟩
徳島大学 ⟩ 理工学部 ⟩ 理工学科 ⟩ 光システムコース ⟩ 光情報システム講座 ⟩
徳島大学 ⟩ 創成科学研究科 ⟩ 理工学専攻 ⟩ 光コース(創成科学研究科) ⟩ 光情報システム講座(創成科学研究科) ⟩ 		(researchmapへのインポート用ファイル) [PDF解説] [researchmapへの自動反映について]

研究活動

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専門分野

○ ナノテク・材料 (Nanotechnology/Materials) [光工学、光量子科学 (Optical engineering and photonics)]

研究テーマ

著書・論文

著書:

1. 藤方 潤一 :
光と物質の量子相互作用ハンドブック(監修:荒川泰彦),
株式会社エヌ·ティー·エス, 2023年3月.

学術論文(審査論文):

1. Takuya Iwasaki, Yodai Sato, Makoto Ogo, Byunghun Oh, Daichi Kozawa, Ryo Kitaura, Kenji Watanabe, Takashi Taniguchi, Satoshi Moriyama and Junichi Fujikata :
Photo-thermoelectric effect-driven detection of optical communication light in graphene/hBN heterostructures,
Japanese Journal of Applied Physics, 63, 3, 2024.
(DOI: 10.35848/1347-4065/ad2bd6,   Elsevier: Scopus)
2. Remma Hata and Junichi Fujikata :
THz wave Mux/DeMux operation using bearded-type topological photonic crystal waveguide structure,
Japanese Journal of Applied Physics, 63, 2, 2024.
(DOI: 10.35848/1347-4065/ad0b2e,   Elsevier: Scopus)
3. Natalia Morais, Junichi Fujikata, Jinkwan Kwoen, Takahiro Nakamura, Yasutomo Ota and Yasuhiko Arakawa :
Hybrid distributed Bragg reflector laser on Si with a transfer printed InAs/GaAs quantum dot amplifier,
Optics Express, 82, 3, 4295-4304, 2024.
(DOI: 10.1364/OE.514224,   PubMed: 38297633,   Elsevier: Scopus)
4. Yu Tokizane, Shota Okada, Takumi Kikuhara, Hiroki Kishikawa, Yasuhiro Okamura, Yoshihiro Makimoto, Kenji Nishimoto, Takeo Minamikawa, Eiji Hase, Junichi Fujikata, Masanobu Haraguchi, Atsushi Kann, Shintaro Hisatake, Naoya Kuse and Takeshi Yasui :
Wireless data transmission in the 560-GHz band utilizing terahertz wave generated through photomixing of a pair of distributed feedback lasers injection-locking to a Kerr micro-resonator soliton comb,
Optics Continuum, 3, 1, 1-8, 2024.
(DOI: 10.1364/OPTCON.504431)
5. Yudai Matsumura, Yu Tokizane, Eiji Hase, Naoya Kuse, Takeo Minamikawa, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, Takahiro Kaji, Akira Otomo, Isao Morohashi, Atsushi Kannno, Shintaro Hisatake and Takeshi Yasui :
Carrier conversion from terahertz wave to dual-wavelength near-infrared light for photonic terahertz detection in wireless communication,
Optics Express, 31, 20, 33103-33112, 2023.
(DOI: 10.1364/OE.499472)
6. Yu Tokizane, Shota Okada, Kenji Nishimoto, Yasuhiro Okamura, Hiroki Kishikawa, Takeo Minamikawa, Eiji Hase, Junichi Fujikata, Masanobu Haraguchi, Atsushi Kanno, Shintaro Hisatake, Naoya Kuse and Takeshi Yasui :
Terahertz wireless communication in a 560-GHz band using a Kerr micro-resonator soliton comb,
Optics Continuum, 2, 5, 1267-1275, 2023.
(徳島大学機関リポジトリ: 2011239,   DOI: 10.1364/OPTCON.491729)
7. Junichi Fujikata, Masataka Noguchi, Riku Katamawari, Kyosuke Inaba, Hideki Ono, Daisuke Shimura, Yosuke Onawa, Hiroki Yaegashi and Yasuhiko Ishikawa :
High-performance Ge/Si electro-absorption optical modulator up to 85°C and its highly efficient photodetector operation,
Optics Express, 31, 6, 10732-10743, 2023.
(徳島大学機関リポジトリ: 2011154,   DOI: 10.1364/OE.484380,   PubMed: 37157614)
8. Shuhei Sonoi, Riku Katamawari, Manami Shimokawa, Kyosuke Inaba, Jose A. Piedra-Lorenzana, Takeshi Hizawa, Junichi Fujikata and Yasuhiko Ishikawa :
Direct Bandgap Control by Narrowing the Germanium Strip Structure on Silicon for C+L Band Photonic Devices,
IEEE Journal of Quantum Electronics, 58, 5, 8400209, 2022.
(徳島大学機関リポジトリ: 2011157,   DOI: 10.1109/JQE.2022.3203128,   Elsevier: Scopus)
9. Hideki Ono, Junichi Fujikata, Masataka Noguchi, Hiroyuki Takahashi, Masanori Ito, Daisuke Shimura, Hiroki Yaegashi and Hironori Sasaki :
Si Photonic-Integrated Chip Assembly With Waveguide Ge Avalanche Photodiode for 10 Gbps L-Band Optical Access Networks,
IEEE Photonics Journal, 14, 5, 6849808, 2022.
(徳島大学機関リポジトリ: 2011944,   DOI: 10.1109/JPHOT.2022.3202575,   Elsevier: Scopus)
10. Kojima Hiroki, Junichi Fujikata and Kita Tomohiro :
High-extinction-ratio Si optical modulator loaded with integrated polarizer,
Japanese Journal of Applied Physics, 61, SK, SK1001, 2022.
(DOI: 10.35848/1347-4065/ac5a2b,   CiNii: 1360579813404943232)
11. Hanzhi Tang, Qiang Li, Chong Pei Ho, Junichi Fujikata, Masataka Noguchi, Shigeki Takahashi, Gasidit Toprasertpong, Shinichi Takagi and Mitsuru Takenaka :
Modulation bandwidth improvement of III-V/Si hybrid MOS optical modulator by reducing parasitic capacitance,
Optics Express, 30, 13, 22848-22859, 2022.
(徳島大学機関リポジトリ: 2011156,   DOI: 10.1364/OE.457444,   PubMed: 36224976)
12. Junichi Fujikata, Shigeki Takahashi, Masataka Noguchi and Takahiro Nakamura :
High-efficiency and high-speed narrow-width MOS capacitor-type Si optical modulator with TM mode excitation,
Optics Express, 29, 7, 10104-10116, 2021.
(DOI: 10.1364/OE.419247,   PubMed: 33820144,   Elsevier: Scopus)
13. SHUHEI OHNO, QIANG LI, NAOKI SEKINE, Junichi Fujikata, MASATAKA NOGUCHI, SHIGEKI TAKAHASHI, KASIDIT TOPRASERTPONG, SHINICHI TAKAGI and MITSURU TAKENAKA :
Taperless Si hybrid optical phase shifter based on a metal-oxide-semiconductor capacitor using an ultrathin InP membrane,
Optics Express, 28, 24, 35663-35673, 2020.
(DOI: 10.1364/OE.405038,   PubMed: 33379677,   Elsevier: Scopus)
14. Junichi Fujikata, Masataka Noguchi, Kazuki Kawashita, Riku Katamawari, Shigeki Takahashi, Michiharu Nishimura, Hideki Ono, Daisuke Shimura, Hiroyuki Takahashi, Hiroki Yaegashi, Takahiro Nakamura and Yasuhiko Ishikawa :
High-speed Ge/Si electro-absorption optical modulator in C-band operation wavelengths,
Optics Express, 28, 22, 33123-33134, 2020.
(DOI: 10.1364/OE.405447,   PubMed: 33114981,   Elsevier: Scopus)
15. Takahiro Nakamura, Kenichiro Yashiki, Kenji Mizutani, Takaaki Nedachi, Junichi Fujikata, Masatoshi Tokushima, Jun Ushida, Masataka Noguchi, Daisuke Okamoto, Yasuyuki Suzuki, Takanori Shimizu, Koichi Takemura, Akio Ukita, Yasuhiro Ibusuki, Mitsuru Kurihara, Keizo Kinoshita, Tsuyoshi Horikawa, Hiroshi Yamaguchi, Junichi Tsuchida, Yasuhiko Hagihara and Kazuhiko Kurata :
Fingertip-size optical module, "Optical I/O core", and its application in FPGA,
IEICE Transactions on Electronics, E102C, 4, 333-339, 2019.
(DOI: 10.1587/transinf.2018ODI0005,   Elsevier: Scopus)
16. Mitsuru Takenaka, Hoon Jae Han, Frederic Boeuf, Kwon Jin Park, Qiang Li, Pei Chong Ho, Dongsheng Lyu, Shuhei Ohno, Junichi Fujikata, Shigeki Takahashi and Shinichi Takagi :
III-V/Si Hybrid MOS Optical Phase Shifter for Si Photonic Integrated Circuits,
IEEE/OSA Journal of Lightwave Technology, 37, 5, 1474-1483, 2019.
(DOI: 10.1109/JLT.2019.2892752,   Elsevier: Scopus)
17. Tohru Mogami, Tsuyoshi Horikawa, Keizo Kinoshita, Yasuhiko Hagihara, Jun Ushida, Masatoshi Tokushima, Junichi Fujikata, Shigeki Takahashi, Takanori Shimizu, Akio Ukita, Koichi Takemura, Mitsuru Kurihara, Kenichiro Yashiki, Daisuke Okamoto, Yasuyuki Suzuki, Yohei Sobu, Hwan Seok Jeong, Yu Tanaka, Takahiro Nakamura and Kazuhiko Kurata :
1.2 Tbps/cm2 Enabling Silicon Photonics IC Technology Based on 40-nm Generation Platform,
IEEE/OSA Journal of Lightwave Technology, 36, 20, 4701-4712, 2018.
(DOI: 10.1109/JLT.2018.2863779,   Elsevier: Scopus)
18. Junichi Fujikata, Masataka Noguchi, Younghyun Kim, Jaehoon Han, Shigeki Takahashi, Takahiro Nakamura and Mitsuru Takenaka :
High-speed and highly efficient Si optical modulator with strained SiGe layer,
Applied Physics Express, 11, 3, 2018.
(DOI: 10.7567/APEX.11.032201,   Elsevier: Scopus)
19. Shigekazu Okumura, Keizo Kinoshita, Junichi Fujikata, Takasi Simoyama, Hideki Ono, Yu Tanaka, Ken Morito, Tsuyoshi Horikawa and Tohru Mogami :
Study on the effects of the Si capping layer growth conditions on the leakage current of Ge photodetector,
Japanese Journal of Applied Physics, 56, 10, 2017.
(DOI: 10.7567/JJAP.56.102201,   Elsevier: Scopus)
20. Hoon Jae Han, Frederic Boeuf, Junichi Fujikata, Shigeki Takahashi, Shinichi Takagi and Mitsuru Takenaka :
Efficient low-loss InGaAsP/Si hybrid MOS optical modulator,
Nature Photonics, 11, 8, 486-490, 2017.
(DOI: 10.1038/nphoton.2017.122,   Elsevier: Scopus)
21. Daisuke Okamoto, Yasuyuki Suzuki, Kenichiro Yashiki, Yasuhiko Hagihara, Masatoshi Tokushima, Junichi Fujikata, Mitsuru Kurihara, Junichi Tsuchida, Takaaki Nedachi, Jun Inasaka and Kazuhiko Kurata :
A 25-Gb/s 5 × 5 mm2 Chip-Scale Silicon-Photonic Receiver Integrated with 28-nm CMOS Transimpedance Amplifier,
IEEE/OSA Journal of Lightwave Technology, 34, 12, 2988-2995, 2016.
(DOI: 10.1109/JLT.2015.2500365,   Elsevier: Scopus)
22. Junichi Fujikata, Masashi Takahashi, Shigeki Takahashi, Tsuyoshi Horikawa and Takahiro Nakamura :
High-speed and high-efficiency Si optical modulator with MOS junction, using solid-phase crystallization of polycrystalline silicon,
Japanese Journal of Applied Physics, 55, 4, 2016.
(DOI: 10.7567/JJAP.55.042202,   Elsevier: Scopus)
23. Junichi Fujikata, Shigeki Takahashi, Masashi Takahashi, Masataka Noguchi, Takahiro Nakamura and Yasuhiko Arakawa :
High-performance MOS-capacitor-type Si optical modulator and surface-illumination-type Ge photodetector for optical interconnection,
Japanese Journal of Applied Physics, 55, 4, 2016.
(DOI: 10.7567/JJAP.55.04EC01,   Elsevier: Scopus)
24. Younghyun Kim, Junichi Fujikata, Shigeki Takahashi, Mitsuru Takenaka and Shinichi Takagi :
First demonstration of SiGe-based carrier-injection Mach-Zehnder modulator with enhanced plasma dispersion effect,
Optics Express, 24, 3, 1979-1985, 2016.
(DOI: 10.1364/OE.24.001979,   Elsevier: Scopus)
25. Younghyun Kim, Junichi Fujikata, Shigeki Takahashi, Mitsuru Takenaka and Shinichi Takagi :
Demonstration of record-low injection-current variable optical attenuator based on strained SiGe with optimized lateral pin junction,
Optics Express, 23, 9, 12354-12361, 2015.
(DOI: 10.1364/OE.23.012354,   Elsevier: Scopus)
26. Yutaka Urino, Nobuaki Hatori, Kenji Mizutani, Tatsuya Usuki, Junichi Fujikata, Koji Yamada, Tsuyoshi Horikawa, Takahiro Nakamura and Yasuhiko Arakawa :
First demonstration of athermal silicon optical interposers with quantum dot lasers operating up to 125 °c,
IEEE/OSA Journal of Lightwave Technology, 33, 6, 1223-1229, 2015.
(DOI: 10.1109/JLT.2014.2380811,   Elsevier: Scopus)
27. Daisuke Okamoto, Takeshi Akagawa, Tatsuya Usuki, Junichi Fujikata, Suguru Akiyama, Yutaka Urino and Takahiro Nakamura :
Bit error rate analysis of a silicon optical interposer usinsg its equivalent circuit,
IEICE Electronics Express, 12, 1, 2014.
(DOI: 10.1587/elex.11.20141084,   Elsevier: Scopus)
28. Y. Urino, N. Hatori, T. Akagawa, T. Shimizu, M. Okano, M. Ishizaka, T. Yamamoto, H. Okayama, Y. Onawa, H. Takahashi, D. Shimura, H. Yaegashi, H. Nishi, H. Fukuda, K. Yamada, M. Miura, Junichi Fujikata, S. Akiyama, T. Baba, T. Usuki, Y. Noguchi, M. Noguchi, M. Imai, N. Hirayama, S. Saitou, M. Yamagishi, M. Takahashi, E. Saito, D. Okamoto, M. Mori, T. Horikawa, T. Nakamura and Y. Arakawa :
Athermal silicon optical interposers with quantum dot lasers operating from 25 to 125°C,
Electronics Letters, 50, 19, 1377-1378, 2014.
(DOI: 10.1049/el.2014.2135,   Elsevier: Scopus)
29. Yutaka Urino, Tatsuya Usuki, Junichi Fujikata, Masashige Ishizaka, Koji Yamada, Tsuyoshi Horikawa, Takahiro Nakamura and Yasuhiko Arakawa :
High-density and wide-bandwidth optical interconnects with silicon optical interposers [Invited],
Photonics Research, 2, 3, A1-A7, 2014.
(DOI: 10.1364/PRJ.2.0000A1,   Elsevier: Scopus)
30. Makoto Miura, Junichi Fujikata, Masataka Noguchi, Daisuke Okamoto, Tsuyoshi Horikawa and Yasuhiko Arakawa :
Differential receivers with highly-uniform MSM Germanium photodetectors capped by SiGe layer,
Optics Express, 21, 20, 23295-23306, 2013.
(DOI: 10.1364/OE.21.023295,   Elsevier: Scopus)
31. Yutaka Urino, Yoshiji Noguchi, Nobuaki Hatori, Masashige Ishizaka, Tatsuya Usuki, Junichi Fujikata, Koji Yamada, Tsuyoshi Horikawa, Takahiro Nakamura and Yasuhiko Arakawa :
Advances in high-density inter-chip interconnects with photonic wiring,
IEICE Transactions on Electronics, E96-C, 7, 958-965, 2013.
(DOI: 10.1587/transele.E96.C.958,   Elsevier: Scopus)
32. Yutaka Urino, Takanori Shimizu, Makoto Okano, Nobuaki Hatori, Masashige Ishizaka, Tsuyoshi Yamamoto, Takeshi Baba, Takeshi Akagawa, Suguru Akiyama, Tatsuya Usuki, Daisuke Okamoto, Makoto Miura, Masataka Noguchi, Junichi Fujikata, Daisuke Shimura, Hideaki Okayama, Tai Tsuchizawa, Toshifumi Watanabe, Koji Yamada, Seiichi Itabashi, Emiko Saito, Takahiro Nakamura and Yasuhiko Arakawa :
First demonstration of high density optical interconnects integrated with lasers, optical modulators, and photodetectors on single silicon substrate,
Optics Express, 19, 26, B159-B165, 2011.
(DOI: 10.1364/OE.19.00B159,   Elsevier: Scopus)
33. Daisuke Okamoto, Junichi Fujikata and Keishi Ohashi :
InGaAs nano-photodiode enhanced using polarization-insensitive surface-plasmon antennas,
Japanese Journal of Applied Physics, 50, 12, 2011.
(DOI: 10.1143/JJAP.50.120201,   Elsevier: Scopus)
34. Keishi Ohashi, Kenichi Nishi, Takanori Shimizu, Masafumi Nakada, Junichi Fujikata, Jun Ushida, Sunao Toru, Koichi Nose, Masayuki Mizuno, Hiroaki Yukawa, Masao Kinoshita, Nobuo Suzuki, Akiko Gomyo, Tsutomu Ishi, Daisuke Okamoto, Katsuya Furue, Toshihide Ueno, Tai Tsuchizawa, Toshifumi Watanabe, Koji Yamada, Ichi Sei Itabashi and Jun Akedo :
On-chip optical interconnect,
Proceedings of the IEEE, 97, 7, 1186-1196, 2009.
(DOI: 10.1109/JPROC.2009.2020331,   Elsevier: Scopus)
35. Tai Tsuchizawa, Toshifumi Watanabe, Koji Yamada, Hiroshi Fukuda, Seiichi Itabashi, Junichi Fujikata, Akiko Gomyo, Jun Ushida, Daisuke Okamoto, Kenichi Nishi and Keishi Ohashi :
Low-loss silicon oxynitride waveguides and branches for the 850-nm-wavelength region,
Japanese Journal of Applied Physics, 47, 8 PART 2, 6739-6743, 2008.
(DOI: 10.1143/JJAP.47.6739,   Elsevier: Scopus)
36. Daisuke Okamoto, Junichi Fujikata, Kenichi Nishi and Keishi Ohashi :
Numerical study of near-infrared photodetectors with surface-plasmon antenna for optical communication,
Japanese Journal of Applied Physics, 47, 4 PART 2, 2921-2923, 2008.
(DOI: 10.1143/JJAP.47.2921,   Elsevier: Scopus)
37. Junichi Fujikata, Koichi Nose, Jun Ushida, Kenichi Nishi, Masao Kinoshita, Takanori Shimizu, Toshihide Ueno, Daisuke Okamoto, Akiko Gomyo, Masayuki Mizuno, Tai Tsuchizawa, Toshifumi Watanabe, Koji Yamada, Seiichi Itabashi and Keishi Ohashi :
Waveguide-integrated Si nano-photodiode with surface-plasmon antenna and its application to on-chip optical clock distribution,
Applied Physics Express, 1, 2, 2008.
(DOI: 10.1143/APEX.1.022001,   Elsevier: Scopus)
38. Junichi Fujikata, Kenichi Nishi, Akiko Gomyo, Jun Ushida, Tsutomu Ishi, Hiroaki Yukawa, Daisuke Okamoto, Masafumi Nakada, Takanori Shimizu, Masao Kinoshita, Koichi Nose, Masayuki Mizuno, Tai Tsuchizawa, Toshifumi Watanabe, Koji Yamada, Seiichi Itabashi and Keishi Ohashi :
LSI on-chip optical interconnection with Si nano-photonics,
IEICE Transactions on Electronics, E91-C, 2, 131-137, 2008.
(DOI: 10.1093/ietele/e91-c.2.131,   Elsevier: Scopus)
39. H. Yasufuku, H. Yoshikawa, M. Kimura, M. A. Vlaicu, M. Kato, M. Kudo, Junichi Fujikata and S. Fukushima :
On the wide-energy-range tuning of x-ray photoemission electron microscope optics for the observation of the photoelectrons excited by several keV x-rays,
The Review of Scientific Instruments, 77, 3, 2006.
(DOI: 10.1063/1.2185493,   Elsevier: Scopus)
40. Shunsuke Kono, Akihiro Kirihara, Akihisa Tomita, Kazuo Nakamura, Junichi Fujikata, Keishi Ohashi, Hideaki Saito and Kenichi Nishi :
Excitonic molecule in a quantum dot: Photoluminescence lifetime of a single InAs GaAs quantum dot,
Physical Review B, Condensed Matter and Materials Physics, 72, 15, 2005.
(DOI: 10.1103/PhysRevB.72.155307,   Elsevier: Scopus)
41. Tsutomu Ishi, Junichi Fujikata, Kikuo Marita, Toshio Baba and Keishi Ohashi :
Si nano-photodiode with a surface plasmon antenna,
Japanese Journal of Applied Physics, Part 2 (Letters), 44, 12-15, L364-L366, 2005.
(DOI: 10.1143/JJAP.44.L364,   Elsevier: Scopus)
42. Tsutomu Ishi, Junichi Fujikata and Keishi Ohashi :
Large optical transmission through a single subwavelength hole associated with a sharp-apex grating,
Japanese Journal of Applied Physics, Part 2 (Letters), 44, 1-7, L170-L172, 2005.
(DOI: 10.1143/JJAP.44.L170,   Elsevier: Scopus)
43. Junichi Fujikata, T. Ishi, S. Mori, K. Matsuda, K. Mori, H. Yokota, K. Hayashi, M. Nakada, A. Kamijo and K. Ohashi :
Low resistance magnetic tunnel junctions and their interface structures,
Journal of Applied Physics, 89, 11 II, 7558-7560, 2001.
(DOI: 10.1063/1.1361054,   Elsevier: Scopus)

学術レター:

1. Rongyang Xu, Junichi Fujikata and Junichi Takahara :
Graphene perfect absorber based on degenerate critical coupling of toroidal mode,
Optics Letters, 48, 6, 1490-1493, 2023.
(DOI: 10.1364/OL.483486,   PubMed: 36946960,   CiNii: 1050862643876426752,   Elsevier: Scopus)
2. Daisuke Okamoto, Yasuyuki Suzuki, Koichi Takemura, Junichi Fujikata and Takahiro Nakamura :
112 Gb/s PAM-4 Silicon Photonics Receiver Integrated with SiGe-BiCMOS Linear TIA,
IEEE Photonics Technology Letters, 34, 3, 189-192, 2022.
(徳島大学機関リポジトリ: 2011155,   DOI: 10.1109/LPT.2022.3144985,   Elsevier: Scopus)

総説・解説:

1. Yudai Matsumura, Yu Tokizane, Eiji Hase, Naoya Kuse, Takeo Minamikawa, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, Takahiro Kaji, Akira Otomo, Isao Morohashi, Atsushi Kanno, Shintaro Hisatake and Takeshi Yasui :
Next-generation mobile communication leveraging cutting-edge photonic technologies (Photonic 6G),
The Project Repository Journal, 21, 26-31, Oct. 2024.
(DOI: 10.54050/PRJ2122386)

国際会議:

1. Yudai Matsumura, Hiroki Kishikawa, Yu Tokizane, Naoya Kuse, Eiji Hase, Takeo Minamikawa, Junichi Fujikata, Masanobu Haraguchi, Yasuhiro Okamura, Kaji T., Otomo A., Kanno A., Morohashi I., Hisatake S. and Takeshi Yasui :
Photonic Detection of On-Off-Keying Terahertz Wave Based on Terahertz-to-Optical Carrier Conversion,
URSI Asia-Pacific Radio Science Conference 2025 (AP-RASC2025), D03-02, Sydney, Aug. 2025.
2. Yudai Matsumura, Hiroki Kishikawa, Yu Tokizane, Yasuhiro Okamura, Naoya Kuse, Eiji Hase, Junichi Fujikata, Masanobu Haraguchi, Takahiro Kaji, Akira Otomo, Atsushi Kanno, Shintaro Hisatake and Takeshi Yasui :
On-Off-Keying Data Transmission Achieved with Terahertz-to-Optical Carrier Conversion Using Optical Comb and Electro-Optic Polymer Modulator,
Conference on Lasers and Electro-Optics (CLEO) Europe 2025, Technical Digest, CC-4.5, Munich, Jun. 2025.
3. Yudai Matsumura, Eiji Hase, Yu Tokizane, Naoya Kuse, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, Takahiro Kaji, Akira Otomo, Atsushi Kanno, Isao Morohashi, Shintaro Hisatake and Takeshi Yasui :
THz-to-optical carrier conversion for photonic THz detection in 100-GHz wireless communication,
International Conference on Electronics, Photonics and Terahertz Technology (InCEPTT 2024), New Delhi, Dec. 2024.
4. Junichi Fujikata and Ishikawa Yasuhiko :
High-Performance Ge/Si Electro-Absorption Optical Modulator and Its Highly-Efficient Photodetector Operation,
ECS Meeting Abstracts, MA2024-02, 32, 2329, Nov. 2024.
5. Ishikawa Yasuhiko and Junichi Fujikata :
Ge-based photodetectors and electro-absorption modulators in Si Photonics,
International Workshop on Nanodevice and Technology 2024 (IWNT2024), Nov. 2024.
6. Maeda Hiroki, Xu Rongyang, Iwasaki Takuya, Sato Yodai, Ogo Makoto, Moriyama Satoshi, Watanabe Kenji, Taniguchi Takashi, Junichi Fujikata and Takahara Junichi :
Vertical incidence optical modulator and photodetector with graphene/Si and Ge metasurface structures in near and mid infrared wavelengths,
MOC2024, MOC2024, Sep. 2024.
7. Matsumura Yudai, Eiji Hase, Yu Tokizane, Naoya Kuse, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, T. Kaji, A. Otomo, I. Morohashi, A. Kanno, S. Hisatake and Takeshi Yasui :
THz to optical carrier conversion using electro-optic polymer modulators and optical combs,
16th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR2024), P3-070, Incheon, Korea, Aug. 2024.
(Elsevier: Scopus)
8. Akito Shinya, Koji Kida, Hiromu Sato, Guo-Wei Lu, Shiyoshi Yokoyama and Junichi Fujikata :
Optical Convolutional Neural Network and Reservoir Computing with EO Polymer/Si Hybrid Optical Modulator,
OECC2024, Jul. 2024.
(DOI: 10.1109/OECC54135.2024.10975479,   Elsevier: Scopus)
9. Yudai Matsumura, Yu Tokizane, Eiji Hase, Naoya Kuse, Takeo Minamikawa, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, T. Kaji, A. Otomo, I. Morohashi, A. Kanno, S. Hisatake and Takeshi Yasui :
Carrier Conversion From Terahertz Wave To Dual-Wavelength Near-Infrared Light Injection-Locked Optical Comb For Photonic Terahertz Detection In Wireless Communication,
4th URSI Atlantic Radio Science Meeting (AT-RASC 2024), Gran Canaria, Spain, May 2024.
10. Takumi Kikuhara, Y. Makimoto, Yu Tokizane, Hiroki Kishikawa, Yasuhiro Okamura, Kenji Nishimoto, Takeo Minamikawa, Eiji Hase, Junichi Fujikata, A. Kanno, S. Hisatake, Naoya Kuse and Takeshi Yasui :
Wireless Data Transmission in a 560-GHz Band Utilizing Terahertz Waves Generated through Photomixing by Injection-Locked Distributed Feedback Lasers with Kerr Micro-Resonator Soliton Comb,
4th URSI Atlantic Radio Science Meeting (AT-RASC 2024), Gran Canaria, Spain, May 2024.
11. Kaneko Shohei, Piedra-Lorenzana A. Jose, Yamane Keisuke, Junichi Fujikata and Ishikawa Yasuhiko :
Franz-Keldysh Effect in Lateral pin Photodetectors of Ge Strip on Si at C-, L- and U-Band Wavelengths,
IEEE International Conference on Group IV Photonics GFP, Apr. 2024.
12. Akito Shinya, Koji Kida, Hiromu Sato, Wei Guo Lu, Shiyoshi Yokoyama and Junichi Fujikata :
Optical Convolutional Neural Network and Reservoir Computing with EO Polymer/Si Hybrid Optical Modulator,
Opto-Electronics and Communications Conference, OECC, 2024, Jan. 2024.
(DOI: 10.1109/OECC54135.2024.10975479,   Elsevier: Scopus)
13. Shohei Kaneko, A. Jose Piedra-Lorenzana, Keisuke Yamane, Junichi Fujikata and Yasuhiko Ishikawa :
Franz-Keldysh Effect in Lateral pin Photodetectors of Ge Strip on Si at C-, L- and U-Band Wavelengths,
IEEE International Conference on Group IV Photonics GFP, Jan. 2024.
(DOI: 10.1109/SiPhotonics60897.2024.10543324,   Elsevier: Scopus)
14. Kusaka Tomoki and Junichi Fujikata :
Nanophotonic Polarization Converter for Optical and THz Wireless Communications,
OPTIC2023, Dec. 2023.
15. Yuki Hirasawa, Hiroki Kishikawa and Junichi Fujikata :
Compensation Performance for Atmospheric Turbulence-Induced Phase Fluctuation on Multiplexed OAM Beams,
Optics & Photonics Taiwan International Conference (OPTIC2023), 2023-SAT-S0203-O005, Tainan, Dec. 2023.
16. Akito Shinya, Koji Kida, Hiromu Sato, Guo-Wei Lu, Shiyoshi Yokoyama and Junichi Fujikata :
High-Performance Optical Convolutional Neural Network Accelerator with High-Speed Optical Modulator and Carrier-Injection-Type Attenuator,
28th Microoptics Conference (MOC2023), 259-260, Sep. 2023.
(DOI: 10.23919/MOC58607.2023.10302866,   Elsevier: Scopus)
17. Taiga Ishida, Hiroki Kishikawa and Junichi Fujikata :
Modulation Format Conversion From One 8QAM to Three BPSK Based on Four Wave Mixing,
28th Microoptics Conference (MOC2023), E-1, Miyazaki, Sep. 2023.
(DOI: 10.23919/MOC58607.2023.10302742,   Elsevier: Scopus)
18. Ayuka Nakamura, Hiroki Kishikawa and Junichi Fujikata :
Influence of Underwater Turbulence on Orbital Angular Momentum Beam Propagation,
28th Microoptics Conference (MOC2023), PO-56, Miyazaki, Sep. 2023.
(DOI: 10.23919/MOC58607.2023.10302902)
19. Yusei Ohkubo, Hiroki Kishikawa and Junichi Fujikata :
Optical Label Recognition for Two-Symbol QPSK-Coded Labels Using Complex-Valued Neural Network,
28th Microoptics Conference (MOC2023), PO-55, Miyazaki, Sep. 2023.
(DOI: 10.23919/MOC58607.2023.10302878,   Elsevier: Scopus)
20. Yudai Matsumura, Eiji Hase, Yu Tokizane, Naoya Kuse, Takeo Minamikawa, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, Takahiro Kaji, Akira Otomo, Atsushi Kanno, Shintaro Hisatake and Takeshi Yasui :
Dual-wavelength CW lasers injection-locked to optical comb modes for carrier conversion from THz wave to near-infrared light via electro-optical polymer modulator,
48th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz2023), Th-P2-63, Montreal, Sep. 2023.
(DOI: 10.1109/IRMMW-THz57677.2023.10299276)
21. Sakuma Tomoki, Yokoyama Shiyoshi and Junichi Fujikata :
Nanophotonic Neural Network and Generic Algorism Computing Using n-InP/Electro-Optic Polymer Hybrid Modulator,
Extended Abstracts of the 2023 International Conference on Solid State Devices and Materials, 761-762, 名古屋市, Sep. 2023.
22. Hata Remma and Junichi Fujikata :
THz Wave Mux/DeMux Operation using Bearded-Type Topological Photonic Crystal Waveguide Structure,
Extended Abstracts of the 2023 International Conference on Solid State Devices and Materials, 755-756, 名古屋市, Sep. 2023.
23. Yudai Matsumura, Eiji Hase, Yu Tokizane, Naoya Kuse, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, Takahiro Kaji, Akira Otomo, Atsushi Kanno, Shintaro Hisatake and Takeshi Yasui :
Dual-wavelength, low-phase-noise, optical carrier for terahertz-to-optical carrier conversion with electro-optic polymer modulator,
Photonics and Electromagnetics Research Symposium (PIERS2023), 1P4a, Praha, Jul. 2023.
24. Akito Shinya, Koji Kida, Hiromu Sato, Guo-Wei Lu, Shiyoshi Yokoyama and Junichi Fujikata :
High-Speed Optical Convolutional Neural Network Accelerator with 100 Gbaud EO-polymer/Si Hybrid Optical Modulator,
OECC2023, OECC2023-0320-16, Shanghai, Jul. 2023.
(DOI: 10.1109/OECC56963.2023.10209890,   Elsevier: Scopus)
25. Yudai Matsumura, Eiji Hase, Yu Tokizane, Naoya Kuse, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, Takahiro Kaji, Akira Otomo, Atsushi Kanno, Shintaro Hisatake and Takeshi Yasui :
Terahertz-to-optical carrier conversion using optical-comb-injection-locked dual-wavelength laser light and electro-optic polymer modulator,
Conference on Lasers and Electro-Optics (CLEO) Europe 2023, CC-P11, Munich, Jun. 2023.
(DOI: 10.1109/CLEO/Europe-EQEC57999.2023.10232178)
26. Kaneko Shohei, Piedra-Lorenzana A. Jose, Yamane Keisuke, Junichi Fujikata and Ishikawa Yasuhiko :
Strip-Width-Dependent Spectral Responsivity in a Waveguide Photodetector of Ge by Selective-Area Chemical Vapor Deposition on Si,
ISCiSTDM2023, May 2023.
27. Yudai Matsumura, Eiji Hase, Yu Tokizane, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, Takahiro Kaji, Akira Otomo, Atsushi Kannno, Shintaro Hisatake, Naoya Kuse and Takeshi Yasui :
Carrier conversion from 100-GHz THz wave to dual-wavelength optical carrier injection-locked to optical comb modes using electro-optical polymer modulator for photonic THz detection,
Conference on Lasers and Electro-Optics (CLEO) 2023, JTh2A.98, San Jose, May 2023.
(DOI: 10.1364/CLEO_AT.2023.JTh2A.98,   Elsevier: Scopus,   Elsevier: Scopus,   Elsevier: Scopus,   Elsevier: Scopus)
28. Junichi Fujikata, Hiromu Sato, Alisa Bannaron, Guo-Wei Lu and Shiyoshi Yokoyama :
High-Performance EO Polymer/Si and InP Nano-Hybrid Optical Modulators in O-band and C-band Wavelengths,
OFC2023, Tu3C.4, Mar. 2023.
(DOI: 10.23919/OFC49934.2023.10117072,   Elsevier: Scopus)
29. Yuki Hirasawa, Hiroki Kishikawa and Junichi Fujikata :
Efficient Atmospheric Turbulence Compensation Method for Multiplexed Orbital Angular Momentum Beams in Free Space,
pLED international symposium 2023, P-12, Mar. 2023.
30. Taiga Ishida, Hiroki Kishikawa and Junichi Fujikata :
Aggregation of BPSK Signals Using Coherent Interference for Modulation Format Conversion to 8QAM Signal,
pLED international symposium 2023, P-10, Mar. 2023.
31. Kusaka Tomoki, Akihiro Furube, Tetsuro Katayama, Hiroki Kishikawa, Yasuhide Ohno, Masao Nagase and Junichi Fujikata :
Demonstration of All-Optical Ultrafast Switching, Using High-Quality Graphene,
pLED international symposium 2023, P-9, Mar. 2023.
32. Hata Remma, Hiroki Kishikawa and Junichi Fujikata :
Scalable THz-OAM Beam Generator Based on Photonic Crystal Structure with Square and Hexagonal Lattices,
pLED international symposium 2023, P-8, Mar. 2023.
33. Yudai Matsumura, Eiji Hase, Yu Tokizane, Naoya Kuse, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, Takahiro Kaji, Akira Otomo, Atsushi Kanno, Shintaro Hisatake and Takeshi Yasui :
Fundamental study on optical heterodyned terahertz detection using optical-comb-injection-locked dual-wavelength laser light and electro- optic polymer modulator,
pLED International symposium 2023: Exploring Invisible Light Technology, P-20, Tokushima, Mar. 2023.
34. A. Jose Piedra-Lorenzana, Shohei Kaneko, Takaaki Fukushima, Keisuke Yamane, Junichi Fujikata and Yasuhiko Ishikawa :
AlN Stressor Layer for Ge-on-Si Photonic Devices,
Jsap Optica Joint Symposia in Proceedings Jsap Optica Joint Symposia 2023 Abstracts Jsap 2023, Jan. 2023.
(Elsevier: Scopus)
35. Yudai Matsumura, Eiji Hase, Yu Tokizane, Naoya Kuse, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, Takahiro Kaji, Akira Otomo, Atsushi Kanno, Shintaro Hisatake and Takeshi Yasui :
All-photonic THz detection using CW laser injection-locked to microcomb,
13th International Conference on Organic Nonlinear Optics (ICONO13), P2-13, Nara, Nov. 2022.
36. Yuki Hirasawa, Hiroki Kishikawa and Junichi Fujikata :
Adaptive Compensation for Atmospheric Turbulence-Induced Phase Fluctuation on Multiplexed OAM Beams,
27th Microoptics Conference (MOC2022), 1005, Jena, Germany, Sep. 2022.
37. Taiga Ishida, Hiroki Kishikawa and Junichi Fujikata :
Aggregation of BPSK Signals Using Coherent Interference for Modulation Format Conversion to 8QAM Signal,
27th Microoptics Conference (MOC2022), 1004, Jena, Germany, Sep. 2022.
38. Remma Hata, Hiroki Kishikawa and Junichi Fujikata :
Scalable THz-OAM Beam Generator Based on Photonic Crystal Structure with Square and Hexagonal Lattices,
47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz2022), Th-P-91, Delft, Sep. 2022.
(DOI: 10.1109/IRMMW-THz50927.2022.9896022,   Elsevier: Scopus)
39. Taiga Ishida, Hiroki Kishikawa and Junichi Fujikata :
Modulation Format Conversion From Three BPSK to One 8QAM Based on Coherent Interference and XPM,
15th Pacific Rim Conference on Lasers and Electro-Optics (CLEO Pacific Rim, CLEO-PR 2022), CTuP9F-03, Sapporo, Aug. 2022.
(DOI: 10.1364/CLEOPR.2022.CTuP9F_03,   Elsevier: Scopus,   Elsevier: Scopus)
40. Remma Hata, Hiroki Kishikawa and Junichi Fujikata :
Alignment-Insensitive THz-OAM Wave Generator Based on Square Lattice Photonic Crystal,
15th Pacific Rim Conference on Lasers and Electro-Optics (CLEO Pacific Rim, CLEO-PR 2022), CTuP3D-03, Sapporo, Aug. 2022.
(DOI: 10.1364/CLEOPR.2022.CTuP3D_03,   Elsevier: Scopus,   Elsevier: Scopus)
41. Tomoki Kusaka, Akihiro Furube, Tetsuro Katayama, Hiroki Kishikawa, Yasuhide Ohno, Masao Nagase and Junichi Fujikata :
Ultrafast All-Optical Switching with High-Quality Graphene and its Polarization Effect,
15th Pacific Rim Conference on Lasers and Electro-Optics (CLEO Pacific Rim, CLEO-PR 2022), CTuA2D-04, Sapporo, Aug. 2022.
(DOI: 10.1364/CLEOPR.2022.CTuA2D_04,   Elsevier: Scopus,   Elsevier: Scopus)
42. Tomoki Kusaka, Akihiro Furube, Tetsuro Katayama, Hiroki Kishikawa, Yasuhide Ohno, Masao Nagase and Junichi Fujikata :
Demonstration of All-Optical Ultrafast Switching, Using High-Quality Graphene,
27th OptoElectronics and Communications Conference (OECC 2022), WP-F-4, Toyama, Jul. 2022.
(DOI: 10.23919/OECC/PSC53152.2022.9849944,   Elsevier: Scopus)
43. Hiroki Kishikawa, Junichi Fujikata, Shien-Kuei Liaw and Jiun-Yu Sung :
Orbital Angular Momentum Mode Recognition by Sparse Coding,
8th International Forum on Advanced Technologies (IFAT2022), Oral-1, Mar. 2022.
44. Tomoki Sakuma, Shiyoshi Yokoyama and Junichi Fujikata :
High Performance Si and InP/EO Polymer Hybrid Optical Modulators for Data Communication and Computing,
2022 Conference on Lasers and Electro Optics Pacific Rim CLEO PR 2022 Proceedings, Jan. 2022.
(DOI: 10.1109/CLEO-PR62338.2022.10432547,   Elsevier: Scopus,   Elsevier: Scopus)
45. Junichi Fujikata, Masataka Noguchi, Tomoki Sakuma, Daisuke Okamoto, Yasuhiko Ishikawa and Shiyoshi Yokoyama :
High Performance Si Photonics Devices and InP/EO Polymer Hybrid Optical Modulator for Data Communication and Computing,
Oecc Psc 2022 27th Optoelectronics and Communications Conference International Conference on Photonics in Switching and Computing 2022, Jan. 2022.
(DOI: 10.23919/OECC/PSC53152.2022.9850081,   Elsevier: Scopus)
46. Hanzhi Tang, Rui Tang, Junichi Fujikata, Masataka Noguchi, Shigeki Takahashi, Kasidit Toprasertpong, Shinichi Takagi and Mitsuru Takenaka :
Crossbar Wiring for III-V/Si MOS Optical Phase Shifters with Diode Selectors,
2022 European Conference on Optical Communication ECOC 2022, Jan. 2022.
(Elsevier: Scopus)
47. Tomoki Sakuma, Shiyoshi Yokoyama and Junichi Fujikata :
High Performance Si and InP/EO Polymer Hybrid Optical Modulators for Data Communication and Computing,
Optics Infobase Conference Papers, Jan. 2022.
(DOI: 10.1364/CLEOPR.2022.CWP12A_02,   Elsevier: Scopus)
48. Kouki Iwama, Hiroki Kishikawa, Nobuo Goto and Junichi Fujikata :
All-Optical Modulation Format Conversion From DQPSK to OOK Using Cross-Polarization Modulation,
The Annual Conference of the IEEE Photonics Society (IPC2021), WC4.4, Oct. 2021.
(DOI: 10.1109/IPC48725.2021.9592963)
49. Junichi Fujikata :
High performance Ge photodetector with Franz-Keldysh effect on Si-photonics platform for data communication,
27th Internatinal Semiconductor Laser Conference WS, SuP1, Oct. 2021.
50. Kazuhiro Suzuki, Hiroki Kishikawa, Nobuo Goto and Junichi Fujikata :
OAM Mode Recognition based on Sparse Coding,
26th MicroOptics Conference 2021 (MOC 2021), PO-30, Online, Sep. 2021.
(DOI: 10.23919/MOC52031.2021.9598021)
51. Hiroki Kojima, Junichi Fujikata and Tomohiro Kita :
High extinction ratio Si optical modulator loaded with integrated polarizer,
26th MicroOptics Conference 2021 (MOC 2021), Online, Sep. 2021.
(DOI: 10.23919/MOC52031.2021.9598088)
52. Kengo Hatanaka, Hiroki Kishikawa, Nobuo Goto, Junichi Fujikata, Yi-Lin Yu, Shien-Kuei Liaw and Jiun-Yu Sung :
Multipoint Temperature Sensing Using Linear-Cavity Fiber Laser with an EDFA and FBGs,
IEEE International Conference on Sensors and Nanotechnology 2021 (IEEE SENNANO 2021), 1570748586, Online, Sep. 2021.
(DOI: 10.1109/SENNANO51750.2021.9642539,   Elsevier: Scopus)
53. Seiji Kunimatsu, Hiroki Kishikawa, Nobuo Goto and Junichi Fujikata :
Influence of Lateral Displacement of Laguerre-Gaussian Beams on Spiral Mode Sorting,
26th Microoptics Conference Moc 2021, Jan. 2021.
(DOI: 10.23919/MOC52031.2021.9598027,   Elsevier: Scopus)
54. Di Okamoto, Y. Suzuki, Junichi Fujikata, M. Tokushima, J. Ushida, T. Horikawa, K. Takemura, T. Nakamura, Y. Hagihara, K. Yashiki, M. Kurihara, K. Kinoshita and K. Kurata :
High-Temperature Operation of Chip-Scale Silicon-Photonic Transceiver,
Digest of Technical Papers - Symposium on VLSI Technology, 2020-June, Jun. 2020.
(DOI: 10.1109/VLSITechnology18217.2020.9265051,   Elsevier: Scopus)
55. Qiang Li, Pei Chong Ho, Junichi Fujikata, Masataka Noguchi, Shigeki Takahashi, Kasidit Toprasertpong, Shinichi Takagi and Mitsuru Takenaka :
Low Parasitic Capacitance III-V/Si Hybrid MOS Optical Modulator toward High-speed Modulation,
2020 Optical Fiber Communications Conference and Exhibition Ofc 2020 Proceedings, Mar. 2020.
(Elsevier: Scopus,   Elsevier: Scopus)
56. Shuhei Ohno, Qiang Li, Naoki Sekine, Junichi Fujikata, Masataka Noguchi, Shigeki Takahashi, Kasidit Toprasertpong, Shinichi Takagi and Mitsuru Takenaka :
Taper-Less III-V/Si Hybrid MOS Optical Phase Shifter using Ultrathin InP Membrane,
2020 Optical Fiber Communications Conference and Exhibition Ofc 2020 Proceedings, Mar. 2020.
(Elsevier: Scopus,   Elsevier: Scopus)
57. Junichi Fujikata, Masataka Noguchi, Hwan Seok Jeong, Yosuke Onawa, Daisuke Shimura, Kazuki Kawashita, Riku Katamawari, Hideaki Okayama, Shigeki Takahashi, Hideki Ono, Hiroyuki Takahashi, Hiroki Yaegashi, Yasuhiko Ishikawa and Takahiro Nakamura :
High-Speed and 16 λ-WDM Operation of Ge/Si Electro-Absorption Modulator for C-Band Spectral Regime,
2020 Optical Fiber Communications Conference and Exhibition Ofc 2020 Proceedings, Mar. 2020.
(Elsevier: Scopus,   Elsevier: Scopus)
58. Junichi Fujikata, Masataka Noguchi, Hwan Seok Jeong, Yosuke Onawa, Daisuke Shimura, Kazuki Kawashita, Riku Katamawari, Hideaki Okayama, Shigeki Takahashi, Hideki Ono, Hiroyuki Takahashi, Hiroki Yaegashi, Yasuhiko Ishikawa and Takahiro Nakamura :
High-speed and 16 ?-WDM operation of Ge/Si electro-absorption modulator for C-band spectral regime,
Optics Infobase Conference Papers, Part F174-OFC 2020, Jan. 2020.
(DOI: 10.1364/OFC.2020.Th3C.4,   Elsevier: Scopus)
59. Shuhei Ohno, Qiang Li, Naoki Sekine, Junichi Fujikata, Masataka Noguchi, Shigeki Takahashi, Kasidit Toprasertpong, Shinichi Takagi and Mitsuru Takenaka :
Taper-less III-V/Si hybrid MOS optical phase shifter using ultrathin inP membrane,
Optics Infobase Conference Papers, Part F174-OFC 2020, Jan. 2020.
(Elsevier: Scopus)
60. Qiang Li, Pei Chong Ho, Junichi Fujikata, Masataka Noguchi, Shigeki Takahashi, Kasidit Toprasertpong, Shinichi Takagi and Mitsuru Takenaka :
Low parasitic capacitance III-V/Si hybrid MOS optical modulator toward high-speed modulation,
Optics Infobase Conference Papers, Part F174-OFC 2020, Jan. 2020.
(DOI: 10.1364/OFC.2020.Th2A.16,   Elsevier: Scopus)
61. Junichi Fujikata, Takahiro Nakamura, Masataka Noguchi and Shigeki Takahashi :
High-Efficiency of Narrow-Width MOS Capacitor Type Si Optical Modulator with TM Mode Excitation,
IEEE International Conference on Group IV Photonics GFP, 2019-August, Aug. 2019.
(DOI: 10.1109/GROUP4.2019.8853933,   Elsevier: Scopus)
62. H. Ono, Junichi Fujikata, M. Noguchi, H. Takahashi, D. Shimura, H. Yaegashi and H. Sasaki :
Si Photonics Butt-Coupled Waveguide Germanium Avalanche Photodiodes with Lateral SAM Structures,
2019 Optical Fiber Communications Conference and Exhibition Ofc 2019 Proceedings, Apr. 2019.
(DOI: 10.1364/ofc.2019.th2a.9,   Elsevier: Scopus,   Elsevier: Scopus)
63. H. Ono, Junichi Fujikata, M. Noguchi, H. Takahashi, D. Shimura, H. Yaegashi and H. Sasaki :
Si photonics butt-coupled waveguide germanium avalanche photodiodes with lateral SAM structures,
Optics Infobase Conference Papers, Part F160-OFC 2019, Jan. 2019.
(Elsevier: Scopus)
64. Mitsuru Takenaka, Jaehoon Han, Frederic Boeuf, Jinkwon Park, Qiang Li, Pei Chong Ho, Dongsheng Lyu, Shuhei Ohno, Junichi Fujikata, Shigeki Takahashi and Shinichi Takagi :
III-V/Si Hybrid MOS Optical Phase Modulator for Si Photonic Integrated Circuits,
European Conference on Optical Communication ECOC, 2018-September, Nov. 2018.
(DOI: 10.1109/ECOC.2018.8535176,   Elsevier: Scopus)
65. Mitsuru Takenaka, Hoon Jae Han, Kwon Jin Park, Frederic Boeuf, Junichi Fujikata, Shigeki Takahashi and Shinichi Takagi :
High-efficiency, low-loss optical phase modulator based on III-V/Si Hybrid MOS capacitor,
2018 Optical Fiber Communications Conference and Exposition Ofc 2018 Proceedings, 1-3, Jun. 2018.
(DOI: 10.1364/OFC.2018.TU3K.3,   Elsevier: Scopus,   Elsevier: Scopus)
66. K. Kurata, K. Yashiki, Junichi Fujikata, T. Honkawa, K. Kinoshita, J. Ushida, M. Tokushima, Y. Suzuki, D. Okamoto, S. Takahashi, A. Ukita, K. Takemura, Y. Ibusuki, T. Shimizu, M. Kurihara, Y. Hagihara, T. Mogami and T. Nakamura :
Advanced devices and packaging of Si-photonics-based optical transceiver for optical interconnection,
Technical Digest / International Electron Devices Meeting, 34.4.1-34.4.4, Jan. 2018.
(DOI: 10.1109/IEDM.2017.8268496,   Elsevier: Scopus)
67. Junichi Fujikata, S. Takahashi, T. Mogami, K. Kurata, M. Takenaka and T. Nakamura :
High-performance Si optical modulator and Ge photodetector and their application to silicon photonics integrated circuit,
ECS Transactions, 86, 7, 17-25, Jan. 2018.
(DOI: 10.1149/08607.0017ecst,   Elsevier: Scopus)
68. Mitsuru Takenaka, Hoon Jae Han, Kwon Jin Park, Frederic Boeuf, Junichi Fujikata, Shigeki Takahashi and Shinichi Takagi :
High-efficiency, low-loss optical phase modulator based on III-V/Si hybrid MOS capacitor,
Optics Infobase Conference Papers, Part F84-OFC 2018, Jan. 2018.
(DOI: 10.1364/OFC.2018.TU3K.3,   Elsevier: Scopus)
69. Junichi Fujikata, Keizo Kinoshita, Jaehoon Han, Tsuyoshi Horikawa, Shigeki Takahashi, Kenichiro Yashiki, Mitsuru Kurihara, Yasuhiko Hagihara, Mitsuru Takenaka, Takahiro Nakamura, Kazuhiko Kurata and Tohru Mogami :
High-performance Si optical modulator with strained p-SiGe layer and its application to 25 Gbps optical transceiver,
14th International Conference on Group IV Photonics Gfp 2017, 25-26, Oct. 2017.
(DOI: 10.1109/GROUP4.2017.8082178,   Elsevier: Scopus)
70. Koichi Takemura, Yasuhiro Ibusuki, Akio Ukita, Mitsuru Kurihara, Keizo Kinoshita, Daisuke Okamoto, Junichi Fujikata, Kenichiro Yashiki, Yasuyuki Suzuki, Tsuyoshi Horikawa, Tohru Mogami and Kazuhiko Kurata :
High density optical and electrical interfaces for chip-scale silicon photonic receiver,
2017 International Conference on Electronics Packaging Icep 2017, 250-254, Jun. 2017.
(DOI: 10.23919/ICEP.2017.7939369,   Elsevier: Scopus)
71. K. Kurata, K. Yashiki, Y. Ibusuki, Junichi Fujikata, M. Kurihara, Y. Hagihara, I. Ogura and T. Nakamura :
Chip-scale Si-photonics optical transceiver for a photonics-electronics convergence system,
Proceedings of SPIE, 10131, Jan. 2017.
(DOI: 10.1117/12.2254017,   Elsevier: Scopus)
72. Tohru Mogami, Suguru Akiyama, Takeshi Baba, Shigekazu Okumura, Junichi Fujikata, Tsuyoshi Horikawa and Keizo Kinoshita :
High-performance silicon photonics process platform for low-power photonic integrated circuits,
2016 IEEE Silicon Nanoelectronics Workshop Snw 2016, 216-217, Sep. 2016.
(DOI: 10.1109/SNW.2016.7578057,   Elsevier: Scopus)
73. Kenichiro Yashiki, Kenji Mizutani, Jun Ushida, Yasuyuki Suzuki, Mitsuru Kurihara, Masatoshi Tokushima, Junichi Fujikata, Yasuhiko Hagihara and Kazuhiko Kurata :
25-Gbps error-free operation of chip-scale Si-photonics optical transmitter over 70°C with integrated quantum dot laser,
2016 Optical Fiber Communications Conference and Exhibition Ofc 2016, Aug. 2016.
(DOI: 10.1364/ofc.2016.th1f.7,   Elsevier: Scopus)
74. Junichi Fujikata, M. Noguchi, J. Han, S. Takahashi, M. Takenaka and T. Nakamura :
Record-high modulation-efficiency depletion-type Si-based optical modulator with in-situ B doped strained SiGe layer on Si waveguide for 1.3 urn wavelength,
European Conference on Optical Communication ECOC, 361-363, Jan. 2016.
(Elsevier: Scopus)
75. Junichi Fujikata, Masataka Noguchi, Younghyun Kim, Shigeki Takahashi, Takahiro Nakamura and Mitsuru Takenaka :
High speed and highly efficient Si optical modulator with strained SiGe layer,
IEEE International Conference on Group IV Photonics GFP, 2015-October, 13-14, Oct. 2015.
(DOI: 10.1109/Group4.2015.7305930,   Elsevier: Scopus)
76. Younghyun Kim, Junichi Fujikata, Shigeki Takahashi, Mitsuru Takenaka and Shinichi Takagi :
SiGe-based carrier-injection Mach-Zehnder modulator with enhanced plasma dispersion effect in strained SiGe,
Conference on Optical Fiber Communication Technical Digest Series, 2015-June, Jun. 2015.
(Elsevier: Scopus)
77. Daisuke Okamoto, Yasuyuki Suzuki, Kenichiro Yashiki, Yasuhiko Hagihara, Masatoshi Tokushima, Junichi Fujikata, Mitsuru Kurihara, Junichi Tsuchida, Takaaki Nedachi, Jun Inasaka and Kazuhiko Kurata :
25-Gbps 5×5 mm2 chip-scale silicon-photonic receiver integrated with 28-nm CMOS transimpedance amplifier,
2015 IEEE Optical Interconnects Conference Oi 2015, 56-57, May 2015.
(DOI: 10.1109/OIC.2015.7115684,   Elsevier: Scopus)
78. Younghyun Kim, Junichi Fujikata, Shigeki Takahashi, Mitsuru Takenaka and Shinichi Takagi :
SiGe-based carrier-injection Mach-Zehnder modulator with enhanced plasma dispersion effect in strained SiGe,
Optical Fiber Communication Conference Ofc 2015, Mar. 2015.
(DOI: 10.1364/ofc.2015.tu2a.7,   Elsevier: Scopus)
79. Kenichiro Yashiki, Yasuyuki Suzuki, Yasuhiko Hagihara, Mitsuru Kurihara, Masatoshi Tokushima, Junichi Fujikata, Akio Ukita, Koichi Takemura, Takanori Shimizu, Daisuke Okamoto, Jun Ushida, Shigeki Takahashi, Toshinori Uemura, Makoto Okano, Junichi Tsuchida, Takaaki Nedachi, Makoto Fushimi, Ichiro Ogura, Jun Inasaka and Kazuhiko Kurata :
5 mW/Gbps hybrid-integrated Si-photonics-based optical I/O cores and their 25-Gbps/ch error-free operation with over 300-m MMF resonators.,
Optical Fiber Communication Conference Ofc 2015, Mar. 2015.
(Elsevier: Scopus)
80. Yutaka Urino, Nobuaki Hatori, Kenji Mizutani, Tatsuya Usuki, Junichi Fujikata, Koji Yamada, Tsuyoshi Horikawa, Takahiro Nakamura and Yasuhiko Arakawa :
Athermal silicon optical interposers operating up to 125°C,
Proceedings of SPIE, 9390, Jan. 2015.
(DOI: 10.1117/12.2084995,   Elsevier: Scopus)
81. Yutaka Urino, Nobuaki Hatori, Takeshi Akagawa, Takanori Shimizu, Makoto Okano, Masashige Ishizaka, Tsuyoshi Yamamoto, Hideaki Okayama, Yosuke Onawa, Hiroyuki Takahashi, Daisuke Shimura, Hiroki Yaegashi, Hidetaka Nishi, Hiroshi Fukuda, Koji Yamada, Makoto Miura, Junichi Fujikata, Suguru Akiyama, Takeshi Baba, Tatsuya Usuki, Yoshiji Noguchi, Masataka Noguchi, Masahiko Imai, Naoki Hirayama, Shigeru Saitou, Masashi Yamagishi, Masashi Takahashi, Emiko Saito, Daisuke Okamoto, Masahiko Mori, Tsuyoshi Horikawa, Takahiro Nakamura and Yasuhiko Arakawa :
First demonstration of athermal silicon optical interposers with quantum dot lasers operating up to 125°C,
European Conference on Optical Communication ECOC, Nov. 2014.
(DOI: 10.1109/ECOC.2014.6963937,   Elsevier: Scopus)
82. Daisuke Okamoto, Yutaka Urino, Takeshi Akagawa, Suguru Akiyama, Takeshi Baba, Tatsuya Usuki, Makoto Miura, Junichi Fujikata, Takanori Shimizu, Makoto Okano, Nobuaki Hatori, Masashige Ishizaka, Tsuyoshi Yamamoto, Hiroyuki Takahashi, Yoshiji Noguchi, Masataka Noguchi, Masahiko Imai, Masashi Yamagishi, Shigeru Saitou, Naoki Hirayama, Masashi Takahashi, Emiko Saito, Daisuke Shimura, Hideaki Okayama, Yosuke Onawa, Hiroki Yaegashi, Hidetaka Nishi, Hiroshi Fukuda, Koji Yamada, Masahiko Mori, Tsuyoshi Horikawa, Takahiro Nakamura and Yasuhiko Arakawa :
Demonstration of 25-Gbps optical data links on silicon optical interposer using FPGA transceiver,
European Conference on Optical Communication ECOC, Nov. 2014.
(DOI: 10.1109/ECOC.2014.6963975,   Elsevier: Scopus)
83. Y. Kim, Junichi Fujikata, S. Takahashi, M. Takenaka and S. Takagi :
Record-low Injection-current Strained SiGe variable optical attenuator with optimized lateral PIN junction,
European Conference on Optical Communication ECOC, Nov. 2014.
(DOI: 10.1109/ECOC.2014.6963927,   Elsevier: Scopus)
84. Ryohei Takei, Yuriko Maegami, Shoko Manako, Emiko Omoda, Youichi Sakakibara, Masahiko Mori, Junichi Fujikata and Toshihiro Kamei :
Carrier injection refractive index changes in low-temperature grown silicon waveguide,
IEEE International Conference on Group IV Photonics GFP, 239-240, Nov. 2014.
(DOI: 10.1109/Group4.2014.6961943,   Elsevier: Scopus)
85. M. Miura, Junichi Fujikata, M. Noguchi and Y. Arakawa :
Ultra-small butt-joint ge photodetector featuring self-aligned in-situ doping and CMP-Free Novel CVD Process,
Optical Fiber Communication Conference Ofc 2014, Mar. 2014.
(DOI: 10.1364/ofc.2014.m2g.5,   Elsevier: Scopus)
86. Yutaka Urino, Tatsuya Usuki, Junichi Fujikata, Masashige Ishizaka, Koji Yamada, Tsuyoshi Horikawa, Takahiro Nakamura and Yasuhiko Arakawa :
High-density optical interconnects by using silicon photonics,
Proceedings of SPIE, 9010, Jan. 2014.
(DOI: 10.1117/12.2041418,   Elsevier: Scopus)
87. Shigekazu Okumura, Takasi Simoyama, Hideki Ono, Masaki Okuno, Makoto Miura, Junichi Fujikata, Masataka Noguchi, Tohru Mogami, Tsuyoshi Horikawa, Yu Tanaka and Ken Morito :
Observation of suppressed dark current of Ge on Si (100) using ultrathin Ge seed layer,
2014 7th International Silicon Germanium Technology and Device Meeting Istdm 2014, 89-90, Jan. 2014.
(DOI: 10.1109/ISTDM.2014.6874701,   Elsevier: Scopus)
88. M. Miura, Junichi Fujikata, M. Noguchi and Y. Arakawa :
Ultra-small butt-joint ge photodetector featuring self-aligned in-situ doping and CMP-free novel CVD process,
Optics Infobase Conference Papers, Jan. 2014.
(Elsevier: Scopus)
89. Yutaka Urino, Tatsuya Usuki, Junichi Fujikata, Masashige Ishizaka, Koji Yamada, Tsuyoshi Horikawa, Takahiro Nakamura and Yasuhiko Arakawa :
Fully integrated silicon optical interposers with high bandwidth density,
Optics Infobase Conference Papers, Jan. 2014.
(DOI: 10.1364/iprsn.2014.im2a.5,   Elsevier: Scopus)
90. M. Miura, Junichi Fujikata, M. Noguchi and Y. Arakawa :
Ultra-small butt-joint Ge photodetector featuring self-aligned in-situ doping and CMP-free novel CVD process,
Conference on Optical Fiber Communication Technical Digest Series, Jan. 2014.
(DOI: 10.1109/OFC.2014.6886551,   Elsevier: Scopus,   Elsevier: Scopus,   Elsevier: Scopus)
91. Junichi Fujikata, M. Miura, M. Noguchi and Y. Arakawa :
Si waveguide-integrated high-speed Ge photodetector,
ECS Transactions, 64, 6, 723-727, Jan. 2014.
(DOI: 10.1149/06406.0723ecst,   Elsevier: Scopus)
92. Junichi Fujikata, Shigeki Takahashi, Masashi Takahashi and Tsuyoshi Horikawa :
High speed and highly efficient Si optical modulator with MOS junction for 1.55 μm and 1.3 μm wavelengths,
IEEE International Conference on Group IV Photonics GFP, 65-66, Dec. 2013.
(DOI: 10.1109/Group4.2013.6644428,   Elsevier: Scopus)
93. Yutaka Urino, Suguru Akiyama, Takeshi Akagawa, Takeshi Baba, Tatsuya Usuki, Daisuke Okamoto, Makoto Miura, Junichi Fujikata, Takanori Shimizu, Makoto Okano, Nobuaki Hatori, Masashige Ishizaka, Tsuyoshi Yamamoto, Hiroyuki Takahashi, Yoshiji Noguchi, Masataka Noguchi, Masahiko Imai, Masashi Yamagishi, Shigeru Saitou, Naoki Hirayama, Masashi Takahashi, Emiko Saito, Daisuke Shimura, Hideaki Okayama, Yosuke Onawa, Hiroki Yaegashi, Hidetaka Nishi, Hiroshi Fukuda, Koji Yamada, Masahiko Mori, Tsuyoshi Horikawa, Takahiro Nakamura and Yasuhiko Arakawa :
Demonstration of 30-Tbps/cm2 bandwidth density by silicon optical interposers fully integrated with optical components,
Iet Conference Publications, 2013, 622 CP, 99-101, Dec. 2013.
(DOI: 10.1049/cp.2013.1305,   Elsevier: Scopus)
94. Takahiro Nakamura, Yutaka Urino, Junichi Fujikata, Tatsuya Usuki, Masashige Ishizaka, Koji Yamada, Tsuyoshi Horikawa and Yasuhiko Arakawa :
High-density silicon optical interposer for inter-chip interconnects based on compact and high speed components,
CLEO Science and Innovations CLEO Si 2013, CTu1L.5, Nov. 2013.
(Elsevier: Scopus)
95. Y. Urino, Junichi Fujikata, T. Usuki, M. Ishizaka, K. Yamada, T. Horikawa, T. Nakamura and Y. Arakawa :
High-density optical interposers fully integrated with silicon photonics,
2013 18th Optoelectronics and Communications Conference Held Jointly with 2013 International Conference on Photonics in Switching Oecc PS 2013, Oct. 2013.
(Elsevier: Scopus,   Elsevier: Scopus)
96. Junichi Fujikata, Masataka Noguchi, Makoto Miura, Masashi Takahashi, Shigeki Takahashi, Tsuyoshi Horikawa, Yutaka Urino, Takahiro Nakamura and Yasuhiko Arakawa :
High performance PIN Ge photodetector and Si optical modulator with MOS junction for photonics-electronics convergence system,
Proceedings of the Asia and South Pacific Design Automation Conference ASP DAC, 655-656, May 2013.
(DOI: 10.1109/ASPDAC.2013.6509674,   Elsevier: Scopus)
97. Junichi Fujikata, Makoto Miura, Masataka Noguchi, Daisuke Okamoto, Tsuyoshi Horikawa and Yasuhiko Arakawa :
Si waveguide-integrated metal-semiconductor-metal and p-i-n-Type ge photodiodes using si-capping layer,
Japanese Journal of Applied Physics, 52, 4 PART 2, Apr. 2013.
(DOI: 10.7567/JJAP.52.04CG10,   Elsevier: Scopus)
98. Takahiro Nakamura, Yutaka Urino, Junichi Fujikata, Tatsuya Usuki, Masashige Ishizaka, Koji Yamada, Tsuyoshi Horikawa and Yasuhiko Arakawa :
High-density silicon optical interposer for inter-chip interconnects based on compact and high speed components,
2013 Conference on Lasers and Electro Optics CLEO 2013, Jan. 2013.
(DOI: 10.1364/cleo_si.2013.ctu1l.5,   Elsevier: Scopus)
99. Y. Urino, Junichi Fujikata, T. Usuki, M. Ishizaka, K. Yamada, T. Horikawa, T. Nakamura and Y. Arakawa :
High-density Optical Interposers Fully Integrated with Silicon Photonics,
Optics Infobase Conference Papers, Jan. 2013.
(Elsevier: Scopus)
100. Yutaka Urino, Yoshiji Noguchi, Masataka Noguchi, Masahiko Imai, Masashi Yamagishi, Higeru Saitou, Naoki Hirayama, Masashi Takahashi, Hiroyuki Takahashi, Emiko Saito, Makoto Okano, Takanori Shimizu, Nobuaki Hatori, Masashige Ishizaka, Tsuyoshi Yamamoto, Takeshi Baba, Takeshi Akagawa, Suguru Akiyama, Tatsuya Usuki, Daisuke Okamoto, Makoto Miura, Junichi Fujikata, Daisuke Shimura, Hideaki Okayama, Hiroki Yaegashi, Tai Tsuchizawa, Koji Yamada, Masahiko Mori, Tsuyoshi Horikawa, Takahiro Nakamura and Yasuhiko Arakawa :
Demonstration of 12.5-Gbps optical interconnects integrated with lasers, optical splitters, optical modulators and photodetectors on a single silicon substrate,
Optics Express, 20, 26, B256-B263, Dec. 2012.
(DOI: 10.1364/OE.20.00B256,   Elsevier: Scopus)
101. Yutaka Urino, Yoshiji Noguchi, Masataka Noguchi, Masahiko Imai, Masashi Yamagishi, Shigeru Saitou, Naoki Hirayama, Masashi Takahashi, Hiroyuki Takahashi, Emiko Saito, Makoto Okano, Takanori Shimizu, Nobuaki Hatori, Masashige Ishizaka, Tsuyoshi Yamamoto, Takeshi Baba, Takeshi Akagawa, Suguru Akiyama, Tatsuya Usuki, Daisuke Okamoto, Makoto Miura, Junichi Fujikata, Daisuke Shimura, Hideaki Okayama, Hiroki Yaegashi, Tai Tsuchizawa, Koji Yamada, Masahiko Mori, Tsuyoshi Horikawa, Takahiro Nakamura and Yasuhiko Arakawa :
Demonstration of 12.5-Gbps optical interconnects integrated with lasers, optical splitters, optical modulators and photodetectors on a single silicon substrate,
European Conference on Optical Communication ECOC, Dec. 2012.
(Elsevier: Scopus)
102. Yutaka Urino, Yoshiji Noguchi, Masataka Noguchi, Masahiko Imai, Masashi Yamagishi, Shigeru Saitou, Naoki Hirayama, Masashi Takahashi, Hiroyuki Takahashi, Emiko Saito, Makoto Okano, Takanori Shimizu, Nobuaki Hatori, Masashige Ishizaka, Tsuyoshi Yamamoto, Takeshi Baba, Takeshi Akagawa, Suguru Akiyama, Tatsuya Usuki, Daisuke Okamoto, Makoto Miura, Junichi Fujikata, Daisuke Shimura, Hideaki Okayama, Hiroki Yaegashi, Tai Tsuchizawa, Koji Yamada, Masahiko Mori, Tsuyoshi Horikawa, Takahiro Nakamura and Yasuhiko Arakawa :
Demonstration of 12.5-Gbps optical interconnects integrated with lasers, optic,
European Conference and Exhibition on Optical Communication Eceoc 2012, Dec. 2012.
(DOI: 10.1364/ECEOC.2012.Tu.4.E.1,   Elsevier: Scopus)
103. Makoto Miura, Junichi Fujikata, Masataka Noguchi, Daisuke Okamoto, Tsuyoshi Horikawa and Yasuhiko Arakawa :
High-uniformity waveguide-integrated metal-semiconductor-metal germanium photodetector with sige capping layer and its application to differential receivers,
IEEE International Conference on Group IV Photonics GFP, 231-233, Nov. 2012.
(DOI: 10.1109/GROUP4.2012.6324143,   Elsevier: Scopus)
104. Yutaka Urino, Takanori Shimizu, Makoto Okano, Nobuaki Hatori, Masashige Ishizaka, Tsuyoshi Yamamoto, Takeshi Baba, Takeshi Akagawa, Suguru Akiyama, Tatsuya Usuki, Daisuke Okamoto, Makoto Miura, Masataka Noguchi, Junichi Fujikata, Daisuke Shimura, Hideaki Okayama, Tai Tsuchizawa, Toshifumi Watanabe, Koji Yamada, Seiichi Itabashi, Emiko Saito, Takahiro Nakamura and Yasuhiko Arakawa :
First demonstration of high density optical interconnects integrated with lasers, optical modulators and photodetectors on a single silicon substrate,
Optics Infobase Conference Papers, Dec. 2011.
(Elsevier: Scopus)
105. Junichi Fujikata, Yutaka Urino, Suguru Akiyama, Takanori Shimizu, Nobuaki Hatori, Makoto Okano, Masashige Ishizaka, Tsuyoshi Yamamoto, Takeshi Baba, Takeshi Akagawa, Tatsuya Usuki, Daisuke Okamoto, Makoto Miura, Masataka Noguchi, Daisuke Shimura, Hideaki Okayama, Tai Tsuchizawa, Toshifumi Watanabe, Koji Yamada, Seiichi Itabashi, Emiko Saito, Kazumi Wada, Takahiro Nakamura and Yasuhiko Arakawa :
Differential signal transmission in silicon-photonics integrated circuit for high density optical interconnects,
IEEE International Conference on Group IV Photonics GFP, 365-367, Nov. 2011.
(DOI: 10.1109/GROUP4.2011.6053818,   Elsevier: Scopus)
106. Takahiro Nakamura, Junichi Fujikata, Masashige Ishizaka and Keishi Ohashi :
Silicon photonics devices for optical interconnection,
Optics Infobase Conference Papers, Jan. 2011.
(DOI: 10.1364/iprsn.2011.ime4,   Elsevier: Scopus)
107. Yutaka Urino, Takanori Shimizu, Makoto Okano, Nobuaki Hatori, Masashige Ishizaka, Tsuyoshi Yamamoto, Takeshi Baba, Takeshi Akagawa, Suguru Akiyama, Tatsuya Usuki, Daisuke Okamoto, Makoto Miura, Masataka Noguchi, Junichi Fujikata, Daisuke Shimura, Hideaki Okayama, Tai Tsuchizawa, Toshifumi Watanabe, Koji Yamada, Seiichi Itabashi, Emiko Saito, Takahiro Nakamura and Yasuhiko Arakawa :
First demonstration of high density optical interconnects integrated with lasers, optical modulators and photodetectors on a single silicon substrate,
European Conference on Optical Communication ECOC, Jan. 2011.
(DOI: 10.1364/ecoc.2011.we.9.lesaleve.4,   Elsevier: Scopus,   Elsevier: Scopus)
108. Junichi Fujikata, Jun Ushida, Yu Ming-Bin, Shi Zhu Yang, Ding Liang, Lo Patrick Guo-Qiang, Lee Dim Kwong and Takahiro Nakamura :
25 GHz operation of silicon optical modulator with projection MOS structure,
Optics Infobase Conference Papers, Dec. 2010.
(Elsevier: Scopus)
109. Junichi Fujikata, Jun Ushida, Yu Ming-Bin, Zhu Shiyang, Ding Liang, Lo Patrick Guo-Qiang, Lee Dim Kwong and Takahiro Nakamura :
25 GHz operation of silicon optical modulator with projection MOS structure,
2010 Conference on Optical Fiber Communication Collocated National Fiber Optic Engineers Conference Ofc Nfoec 2010, Jun. 2010.
(Elsevier: Scopus,   Elsevier: Scopus)
110. Junichi Fujikata, Koichi Nose, Jun Ushida, Kenichi Nishi, Masao Kinoshita, Takanori Shimizu, Toshihide Ueno, Daisuke Okamoto, Akiko Gomyo, Masayuki Mizuno, Tai Tsuchizawa, Toshifumi Watanabe, Koji Yamada, Seiichi Itabashi and Keishi Ohashi :
Waveguide-integrated Si nano-photodiode with surface-plasmon antenna and its application to on-chip optical clock signal distribution,
2008 5th International Conference on Group IV Photonics Gfp, 176-178, Nov. 2008.
(DOI: 10.1109/GROUP4.2008.4638136,   Elsevier: Scopus)
111. Keishi Ohashi and Junichi Fujikata :
Photodetector using surface-plasmon antenna for optical interconnect,
Materials Research Society Symposia Proceedings, 1145, 21-32, Jan. 2008.
(DOI: 10.1557/proc-1145-mm01-05,   Elsevier: Scopus)
112. Kenichi Nishi, Junichi Fujikata, Tsutomu Ishi, Daisuke Okamoto and Keishi Ohashi :
Development of nano-photodiodes with a surface plasmon antenna,
Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS, 574-575, Dec. 2007.
(DOI: 10.1109/LEOS.2007.4382536,   Elsevier: Scopus)
113. K. Ohashi, K. Nishi, T. Shimizu, M. Nakada, Junichi Fujikata, J. Ushida, A. Gomyo, T. Ishi, K. Nose, M. Mizuno, M. Kinoshita, N. Suzuki, D. Okamoto, H. Yukawa, T. Tsuchizawa, T. Watanabe, K. Yamada, S. Itabashi and J. Akedo :
A silicon photonics approach for the nanotechnology era,
Technical Digest / International Electron Devices Meeting, 787-790, Dec. 2007.
(DOI: 10.1109/IEDM.2007.4419065,   Elsevier: Scopus)
114. Shunsuke Kono, Akihisa Tomita, Junichi Fujikata, Hideaki Saito and Kenichi Nishi :
Coherent control of exciton in a single InAs/GaAs quantum dot,
Conference on Lasers and Electro Optics Europe Technical Digest, Dec. 2007.
(DOI: 10.1109/CLEOE-IQEC.2007.4386762,   Elsevier: Scopus,   Elsevier: Scopus)
115. A. Kirihara, Junichi Fujikata, S. Ohkouchi, S. Kono, A. Tomita and S. Yorozu :
Optical spectroscopy of charge-tunable quantum dots emitting at 1.2 μm,
Conference on Lasers and Electro Optics Europe Technical Digest, Dec. 2007.
(DOI: 10.1109/CLEOE-IQEC.2007.4386751,   Elsevier: Scopus,   Elsevier: Scopus)
116. Junichi Fujikata, Jun Ushida, Daisuke Okamoto, Akiko Gomyo, Kenichi Nishi, Tai Tsuchizawa, Toshifumi Watanabe, Koji Yamada, Seiichi Itabashi and Keishi Ohashi :
Si nano-photodiode with a surface-plasmon antenna for sion waveguide-integrated structure,
Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS, 929-930, Dec. 2007.
(DOI: 10.1109/LEOS.2007.4382715,   Elsevier: Scopus)
117. A. Kirihara, Junichi Fujikata, S. Ohkouchi, S. Kono, A. Tomita and S. Yorozu :
Optical spectroscopy of charge-tunable quantum dots emitting at 1.2 μm,
Optics Infobase Conference Papers, Jan. 2007.
(Elsevier: Scopus)
118. Shunsuke Kono, Akihisa Tomita, Junichi Fujikata, Hideaki Saito and Kenichi Nishi :
Coherent control of exciton in a single InAs/GaAs quantum dot,
Optics Infobase Conference Papers, Jan. 2007.
(Elsevier: Scopus)
119. Keishi Ohashi, Junichi Fujikata, Tsutomu Ishi, Daisuke Okamoto, Kikuo Makita and Kenichi Nishi :
Development and applications of a Si nano-photodiode with a surface plasmon antenna,
Proceedings of SPIE, 6352 II, Dec. 2006.
(DOI: 10.1117/12.691553,   Elsevier: Scopus)
120. Keishi Ohashi, Junichi Fujikata, Masafumi Nakada, Tsutomu Ishi, Kenichi Nishi, Hirohito Yamada, Muneo Fukaishi, Masayuki Mizuno, Koichi Nose, Ichiro Ogura, Yutaka Urino and Toshio Baba :
Optical interconnect technologies for high-speed VLSI chips using silicon nano-photonics,
Digest of Technical Papers / IEEE International Solid-State Circuits Conference, 417-426, Dec. 2006.
(Elsevier: Scopus)
121. Keishi Ohashi, Junichi Fujikata, Tsutomu Ishi, Kenichi Nishi, Masayuki Mizuno, Koichi Nose, Kunihiko Ishihara and Toshio Baba :
Silicon nano-photodiodes,
IEEE International Conference on Group IV Photonics GFP, 176-178, Dec. 2006.
(Elsevier: Scopus)
122. Junichi Fujikata, Tsutomu Ishi, Daisuke Okamoto, Kenichi Nishi and Keishi Ohashi :
Highly efficient surface-plasmon antenna and its application to Si nano-photodiode,
Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS, 476-477, Jan. 2006.
(DOI: 10.1109/LEOS.2006.279222,   Elsevier: Scopus)
123. Shunsuke Kono, Akihiro Kirihara, Akihisa Tomita, Kazuo Nakamura, Kenichi Nishi, Hideaki Saito, Junichi Fujikata and Keishi Ohashi :
Time-resolved photoluminescence measurement of exciton and biexciton in an InAs/GaAs single quantum dot,
IQEC International Quantum Electronics Conference Proceedings, 2005, 259-260, Jan. 2005.
(DOI: 10.1109/IQEC.2005.1560877,   Elsevier: Scopus)

国内講演発表:

1. 松村 雄大, 岸川 博紀, 時実 悠, 久世 直也, 長谷 栄治, 南川 丈夫, 藤方 潤一, 原口 雅宣, 岡村 康弘, 梶 貴博, 大友 明, 菅野 敦史, 諸橋 功, 久武 信太郎, 安井 武史 :
光コム注入同期CWレーザーを用いたオール光型THz検出 (4) ~画像信号伝送による復調方法の検討~,
第72回応用物理学会春季学術講演会, 15p-K504-14, 2025年3月.
2. 前田 浩希, Xu Rongyang, 岩崎 拓哉 (物質・材料研究機構), 佐藤 遥大(東京電機大学), 渡邊 賢司 (物質・材料研究機構), 谷口 尚 (物質・材料研究機構), 森山 悟 (東京電機大学), 藤方 潤一, 高原 淳一(大阪大学) :
グラフェン/SiおよびGeメタサーフェス構造を用いた近・中赤外波長帯における空間入射型光変調器および光検出器,
次世代光フォーラム2025 in 徳島, P-15, 2025年2月.
3. 新屋 暁斗, 呂 国偉 (九州大学), 喜田 弘司(香川大学), 佐藤 洸 (九州大学), 横山 士吉(九州大学), 藤方 潤一 :
EOポリマー /Siハイブリッド変調器を用いた光畳み込みニューラルネットワークと光リザバーコンピューティングの性能比較,
次世代光フォーラム2025 in 徳島, P-12, 2025年2月.
4. 藤方 潤一, 石川 靖彦(豊橋技術科学大学), 横山 士吉(九州大学) :
超高速EOポリマー/Siハイブリッド変調器および Ge受光器,
半導体の結晶成長と加工および評価に関する産学連携委員会, 2025年1月.
5. 藤方 潤一, 石川 靖彦(豊橋技術科学大学), 横山 士吉(九州大学) :
超高速EOポリマー/Siハイブリッド変調器および Ge受光器,
電子情報通信学会OPE研究会, OPE2024-81, 2024年10月.
6. 前田 浩希, Xu Rongyang, 岩崎 拓哉 (物質・材料研究機構), 佐藤 遥大(東京電機大学), 渡邊 賢司 (物質・材料研究機構), 谷口 尚 (物質・材料研究機構), 森山 悟 (東京電機大学), 藤方 潤一, 高原 淳一(大阪大学) :
グラフェン/Siメタサーフェス構造を用いた近赤外波長帯における垂直入射型光変調器・受光器,
第85回応用物理学会秋季学術講演会, 20a-P02-5, 2024年9月.
7. 新屋 暁斗, 呂 国偉, 喜田 弘司(香川大学), 佐藤 洸 (九州大学), 横山 士吉(九州大学), 藤方 潤一 :
EOポリマー/Siハイブリッド変調器を用いた光畳み込みニューラルネットワークと光リザバーコンピューティングの性能比較,
第85回応用物理学会秋季学術講演会, 18p-P06-3, 2024年9月.
8. 新屋 暁斗, 呂 国偉 (九州大学), 喜田 弘司(香川大学), 佐藤 洸 (九州大学), 横山 士吉(九州大学), 藤方 潤一 :
EOポリマー/Siハイブリッド変調器を用いた光畳み込みニューラルネットワーク,
電子情報通信学会OPE研究会, OPE2024-77, 2024年9月.
9. 大胡 真実 (東京電機大学), 佐藤 遥大 (東京電機大学), オ ビュンフン (東京電機大学), 小澤 大知 (東京電機大学), 北浦 良 (物質・材料研究機構), 渡邊 賢司 (物質・材料研究機構), 谷口 尚 (物質・材料研究機構), 森山 悟(東京電機大学), 藤方 潤一, 岩崎 拓哉 (物質・材料研究機構) :
グラフェン/hBN構造における光熱電効果による光通信波長光の検出,
第85回応用物理学会秋季学術講演会, 17a-P01-38, 2024年9月.
10. 松村 雄大, 長谷 栄治, 時実 悠, 久世 直也, 南川 丈夫, 藤方 潤一, 岸川 博紀, 原口 雅宣, 岡村 康弘, 梶 貴博, 大友 明, 菅野 敦史, 久武 信太郎, 安井 武史 :
OOK変調THz波のTHz/光キャリア変換,
電子情報通信学会ソサエティ大会 2024, C-14-05, 2024年9月.
11. 宮田 孝太朗 (大阪大学), 橋本 将希 (大阪大学), 岩崎 拓哉 (物質・材料研究機構), 渡邊 賢司 (物質・材料研究機構), 谷口 尚 (物質・材料研究機構), 藤方 潤一, 高原 淳一 (大阪大学) :
単層グラフェンを用いた中空型シリコンメタサーフェス完全吸収体,
第71回応用物理学会春季学術講演会, 24p-11F-8, 2024年3月.
12. 松村 雄大, 長谷 栄治, 時実 悠, 久世 直也, 南川 丈夫, 藤方 潤一, 岸川 博紀, 原口 雅宣, 岡村 康弘, 梶 貴博, 大友 明, 菅野 敦史, 久武 信太郎, 安井 武史 :
光コム注入同期CWレーザーを用いたオール光型THz検出 (3) ~変調THz信号検出に関する検討~,
第71回応用物理学会春季学術講演会, 25p-11E-4, 2024年3月.
13. 新屋 暁斗, 呂 国偉 (九州大学), 喜田 弘司 (香川大学), 佐藤 洸 (九州大学), 横山 士吉(九州大学), 藤方 潤一 :
光畳み込みニューラルネットワークを用いた高効率画像識別,
2024年電子情報通信学会総合大会, C-3_4-27, 2024年3月.
14. 松村 雄大, 長谷 栄治, 時実 悠, 久世 直也, 南川 丈夫, 藤方 潤一, 岸川 博紀, 原口 雅宣, 岡村 康弘, 梶 貴博, 大友 明, 菅野 敦史, 久武 信太郎, 安井 武史 :
電気光学ポリマー変調器と光コムを用いたTHz/光キャリア変換,
電子情報通信学会総合大会2024, C-14-08, 2024年3月.
15. 日下 智貴, 藤方 潤一 :
光及び THz 周波数(波長)帯で機能するナノフォトニクス偏光コンバータ,
次世代光フォーラム in 徳島, 2024年1月.
16. 畠 廉真, 藤方 潤一 :
トポロジカルフォトニック結晶構造を用いた THz 波 Mux/DeMux 動作の検討,
次世代光フォーラムin徳島 2024, 2024年1月.
17. 新屋 暁斗, 喜田 弘司 (香川大学), 佐藤 洸 (九州大学), 呂 国偉 (九州大学), 横山 士吉(九州大学), 藤方 潤一 :
光畳み込みニューラルネットワークを用いた高速な画像処理・認識,
OPJ2023, 29pA6, 2023年11月.
18. 畠 廉真, 藤方 潤一 :
テラヘルツ集積回路に向けたトポロジカルフォトニック結晶構造の検討,
OPJ2023, 28pE2, 2023年11月.
19. 佐藤 遥大 (東京電機大学), 李 恒 (東京工業大学), 高橋 典華 (中央大学), 森山 悟士 (東京電機大学), 河野 行雄 (中央大学), 渡邊 賢司 (物質・材料研究機構), 谷口 尚 (物質・材料研究機構), 藤方 潤一, 岩崎 拓哉 (物質・材料研究機構) :
hBN/グラフェン/hBN による NIR∼THz 光検出に向けた素子の評価,
電気学会材料研究会, 91-96, 2023年11月.
20. 日下 智貴, 藤方 潤一 :
光・THz周波数領域におけるナノフォトニック偏光変換器,
第84回応用物理学会秋季学術講演会, 21p-A309-3, 2023年9月.
21. 新屋 暁斗, 喜田 弘司, 藤方 潤一 :
光畳み込みニューラルネットワークを用いた高効率画像認識,
第84回応用物理学会秋季学術講演会, 20p-A201-3, 2023年9月.
22. 畠 廉真, 藤方 潤一 :
トポロジカルフォトニック結晶構造を用いたTHz波Mux/Demux動作の検討,
第84回応用物理学会秋季学術講演会, 19a-B203-3, 2023年9月.
23. 佐久間 智己, 横山 士吉, 藤方 潤一 :
n-InP/電気光学ポリマーハイブリッド変調器を用いたナノフォトニックニューラルネットワーク及び遺伝的アルゴリズム,
2023年電子情報通信学会ソサイエティ大会, C-3/4-2, 2023年9月.
24. 松村 雄大, 長谷 栄治, 時実 悠, 久世 直也, 藤方 潤一, 岸川 博紀, 原口 雅宣, 岡村 康弘, 梶 貴博, 大友 明, 菅野 敦史, 諸橋 功, 久武 信太郎, 安井 武史 :
マイクロ光コム注入同期 CW レーザーを用いたオール光型 THz 検出(2) ~光キャリアと変調サイドバンドのRFビート信号検出~,
第70回応用物理学会春季学術講演会, 17p-A202-4, 2023年3月.
25. 藤方 潤一, 日下 智貴, 関 和彦(産総研), 乗松 航(名古屋大), 伊藤 孝寛(名古屋大), 片山 哲郎, 永瀬 雅夫, 古部 昭広 :
SiC上グラフェンを用いた高速非線形光学応答,
2023年第70回応用物理学会春季学術講演会, 17a-D215-5, 2023年3月.
26. 畠 廉真, 岸川 博紀, 藤方 潤一 :
テラヘルツ集積回路の実現に向けたフォトニック結晶構造の検討,
2023年第70回応用物理学会春季学術講演会, 16p-A202-8, 2023年3月.
27. 佐藤 遥大(東京電機大), 李 恒(東工大), 高橋 典華(中央大), 森山 悟士(東京電機大), 河野 行雄(中央大), 渡邉 賢司(物質・材料研究機構), 谷口 尚(物質・材料研究機構), 藤方 潤一, 岩崎 拓哉(物質・材料研究機構) :
グラフェンpn接合アンテナ構造による光検出素子の作製と評価,
2023年第70回応用物理学会春季学術講演会, 15a-PA01-32, 2023年3月.
28. 金子 尚平(豊橋技術科学大学), Piedra-Lorenzana Jose A.(豊橋技術科学大学), 藤方 潤一, 石川 靖彦(豊橋技術科学大学) :
Si上Ge細線構造を用いた導波路受光器の受光スペクトルと温度依存性,
2023年第70回応用物理学会春季学術講演会, 15a-A502-7, 2023年3月.
29. 藤方 潤一, Guo-Wei Lu(会津大学), 横山 士吉(九州大学) :
高性能Siフォトニクスデバイスおよび 電気光学ポリマーハイブリッド光変調器,
PDW2022, 16, 2022年12月.
30. 松村 雄大, 長谷 栄治, 時実 悠, 久世 直也, 藤方 潤一, 岸川 博紀, 原口 雅宣, 岡村 康弘, 梶 貴博, 大友 明, 菅野 敦史, 久武 信太郎, 安井 武史 :
マイクロ光コム注入同期レーザーを用いた電気光学ポリマー変調デバイスの評価,
第7回フォトニクスワークショップ, 1-P-17, 2022年11月.
31. 平澤 祐樹, 岸川 博紀, 藤方 潤一 :
多重化OAMビームにおける大気擾乱により生じる 位相変動の光学的補償法,
電子情報通信学会 光エレクトロニクス研究会, OPE2022-63, 2022年10月.
32. 石田 大河, 岸川 博紀, 藤方 潤一 :
コヒーレント干渉を用いたBPSK信号のアグリゲーションによる8QAM信号への変調方式変換,
電子情報通信学会 光エレクトロニクス研究会, OPE2022-64, 2022年10月.
33. 日下 智貴, 古部 昭広, 片山 哲郎, 岸川 博紀, 大野 恭秀, 永瀬 雅夫, 藤方 潤一 :
SiC 上高品質グラフェンを用いた全光型超高速光スイッチ,
2022年第83回応用物理学会秋季学術講演会, 22p-A402-17, 2022年9月.
34. 畠 廉真, 岸川 博紀, 藤方 潤一 :
透過型フォトニック結晶を用いたテラヘルツOAM発生器,
2022年第83回応用物理学会秋季学術講演会, 22a-C201-1, 2022年9月.
35. 松村 雄大, 長谷 栄治, 時実 悠, 久世 直也, 藤方 潤一, 岸川 博紀, 原口 雅宣, 岡村 康弘, 梶 貴博, 大友 明, 菅野 敦史, 久武 信太郎, 安井 武史 :
マイクロ光コム注入同期CWレーザーを用いたオール光型THz検出(1) ~電気光学ポリマー・デバイスを用いた変調サイドバンドの光スペクトル計測~,
第83回 応用物理学会秋季学術講演会, 21p-A202-9, 2022年9月.
36. 藤方 潤一, 野口 将高(PETRA), 佐久間 智己, 岡本 大典 (PETRA), 石川 靖彦(豊橋技術科学大学), 横山 士吉(九州大学) :
データ伝送およびコンピューティングに向けた高性能SiフォトニクスデバイスおよびInP/EOポリマーハイブリッド光変調器,
電子情報通信学会ソサイエティ大会2022, C3/4-43, 2022年9月.
37. 竹中 充(東京大学), 湯 涵智(東京大学), 李 強(東京大学), 関根 尚希(東京大学), 藤方 潤一, 野口 将高(PETRA), カシディット トープラサートポン(東京大学), 高木 信一(東京大学) :
III-V 族半導体薄膜集積を用いた光変調器,
電子情報通信学会総合大会, CI-8-5, 2022年3月.
38. Kengo Hatanaka, 岸川 博紀, 後藤 信夫, 藤方 潤一, Yi-Lin Yu, Shien-Kuei Liaw, Jiun-Yu Sung :
EDFAを用いた多地点同時検出可能なリニアファイバレーザセンサシステムの検討,
Photonic Device Workshop 2021, B-10, 2021年11月.

その他・研究会:

1. 松村 雄大, 長谷 栄治, 時実 悠, 久世 直也, 藤方 潤一, 岸川 博紀, 原口 雅宣, 岡村 康弘, 梶 貴博, 大友 明, 菅野 敦史, 諸橋 功, 久武 信太郎, 安井 武史 :
OOK変調THz波と光コム注入同期CWレーザーを用いた THz/光キャリア変換,
テラヘルツ科学の最先端XI(S-FTS2024), S-FTSPoster20, 2024年10月.
2. 松村 雄大, 長谷 栄治, 時実 悠, 久世 直也, 南川 丈夫, 藤方 潤一, 岸川 博紀, 原口 雅宣, 岡村 康弘, 梶 貴博, 大友 明, 菅野 敦史, 久武 信太郎, 安井 武史 :
次世代移動通信に向けたOOK信号伝送によるアイパターンの評価,
次世代光フォーラム2024 in 徳島, P-14, 2024年1月.
3. 松村 雄大, 長谷 栄治, 時実 悠, 久世 直也, 藤方 潤一, 岸川 博紀, 原口 雅宣, 岡村 康弘, 梶 貴博, 大友 明, 菅野 敦史, 久武 信太郎, 安井 武史 :
電気光学ポリマー変調器と光コムモードに注入同期された 2波長CWレーザーを用いたTHz波から近赤外光へのキャリア変換,
第7回超高速光エレクトロニクス研究会 "超高速ダイナミクスを探る先端光源と計測技術", 2023年4月.
4. 松村 雄大, 長谷 栄治, 時実 悠, 久世 直也, 藤方 潤一, 岸川 博紀, 原口 雅宣, 岡村 康弘, 梶 貴博, 大友 明, 菅野 敦史, 久武 信太郎, 安井 武史 :
光コム注入同期2波長レーザー光と電気光学ポリマー変調器を用いた 光ヘテロダイン式テラヘルツ検出に関する基礎検討,
次世代光フォーラム2023 in 徳島, P-15, 2023年2月.

特許:

1. 藤方 潤一, 岩崎 拓哉, 弓削 亮太, 田中 朋 : 受光素子及びその製造方法, 特願PJ25012 (2025年6月), .
2. 藤方 潤一 : 光位相変調モジュール, 特願2023-179211 (2023年10月), 特許第2023-179211号 (2023年10月).
3. 安井 武史, 久世 直也, 時実 悠, 長谷 栄治, 岸川 博紀, 岡村 康弘, 藤方 潤一 : コヒーレント合成光電気変換装置, 特願PCT/JP2023/ 26378 (2023年7月), .
4. 安井 武史, 久世 直也, 時実 悠, 長谷 栄治, 岸川 博紀, 岡村 康弘, 藤方 潤一 : コヒーレント合成光電気変換装置, 特願2022-115259 (2022年7月), 特開2024-013294 (2024年2月), .
5. 安井 武史, 久世 直也, 時実 悠, 長谷 栄治, 岸川 博紀, 岡村 康弘, 藤方 潤一 : 周波数多重無線伝送装置, 特願2022-82057 (2022年5月), 特開2023-170363 (2023年12月), .
6. 安井 武史, 久世 直也, 時実 悠, 長谷 栄治, 岸川 博紀, 岡村 康弘, 藤方 潤一 : 光電気変換装置, 特願2022-82054 (2022年5月), 特開2023-170362 (2023年12月), .
7. 藤方 潤一, 横山 士吉(九州大学) : 光位相変調器, 特願2022039192 (2022年3月), 特開2022039192 (2022年3月), 特許第2022039192号 (2022年3月).

科学研究費補助金 (KAKEN Grants Database @ NII.ac.jp)

  • グラフェン/CNTハイブリッド素子とシリコンフォトニクスのヘテロ集積によるTHz-光融合 (研究課題/領域番号: 25K01289 )
  • 動的バンドエンジニアリングによるシリコンフォトニクスデバイスの広帯域波長可変動作 (研究課題/領域番号: 25H00738 )
  • 縮退臨界結合による単層グラフェンの光相互作用増強と光スイッチング (研究課題/領域番号: 23H00274 )
  • 高品質グラフェンとシリコンフォトニクスのヘテロ集積によるTHz-光融合 (研究課題/領域番号: 23K22825 )
  • 光コムの医光融合研究に立脚した新興・再興ウイルスの超高感度・迅速検出 (研究課題/領域番号: 22H00303 )
  • オンチップ光シンセサイザ (研究課題/領域番号: 19H02634 )
  • 研究者番号（00869159）による検索