Search:
Tokushima University ⟩ Institute of Post-LED Photonics ⟩
Tokushima University ⟩ Research Clusters ⟩ Research Clusters ⟩ 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 ⟩
Tokushima University ⟩ Graduate School of Advanced Technology and Science ⟩ Systems Innovation Engineering ⟩ Optical Systems Engineering ⟩ Optical Materials and Devices ⟩ 		(Files for researchmap) [PDF manual] [Auto-propagate to researchmap]

Research

Personal Web Page

Field of Study

Subject of Study

Book / Paper

Book:

1. Junichi Fujikata :
Handbook of Quantum Light-Matter Interactions,
NTS Inc., Mar. 2023.

Academic Paper (Judged Full Paper):

1. 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, Vol.3, No.1, 1-8, 2024.
(DOI: 10.1364/OPTCON.504431)
2. 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, Vol.31, No.20, 33103-33112, 2023.
(DOI: 10.1364/OE.499472)
3. 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, Vol.2, No.5, 1267-1275, 2023.
(Tokushima University Institutional Repository: 118500,   DOI: 10.1364/OPTCON.491729)
4. 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, Vol.31, No.6, 10732-10743, 2023.
(Tokushima University Institutional Repository: 118403,   DOI: 10.1364/OE.484380,   PubMed: 37157614)
5. 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, Vol.58, No.5, 8400209, 2022.
(Tokushima University Institutional Repository: 118406,   DOI: 10.1109/JQE.2022.3203128,   Elsevier: Scopus)
6. 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, Vol.14, No.5, 6849808, 2022.
(Tokushima University Institutional Repository: 119235,   DOI: 10.1109/JPHOT.2022.3202575,   Elsevier: Scopus)
7. Kojima Hiroki, Junichi Fujikata and Kita Tomohiro :
High-extinction-ratio Si optical modulator loaded with integrated polarizer,
Japanese Journal of Applied Physics, Vol.61, No.SK, SK1001, 2022.
(DOI: 10.35848/1347-4065/ac5a2b,   CiNii: 1360579813404943232)
8. 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, Vol.30, No.13, 22848-22859, 2022.
(Tokushima University Institutional Repository: 118405,   DOI: 10.1364/OE.457444,   PubMed: 36224976)

Academic Letter:

1. Rongyang Xu, Junichi Fujikata and Junichi Takahara :
Graphene perfect absorber based on degenerate critical coupling of toroidal mode,
Optics Letters, Vol.48, No.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, Vol.34, No.3, 189-192, 2022.
(Tokushima University Institutional Repository: 118404,   DOI: 10.1109/LPT.2022.3144985,   Elsevier: Scopus)

Proceeding of International Conference:

1. Yudai Matsumura, 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 pptical combs,
16th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR2024), Aug. 2024.
2. 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), May 2024.
3. 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), May 2024.
4. Kusaka Tomoki and Junichi Fujikata :
Nanophotonic Polarization Converter for Optical and THz Wireless Communications,
OPTIC2023, Dec. 2023.
5. 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), No.2023-SAT-S0203-O005, Tainan, Dec. 2023.
6. 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)
7. 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)
8. 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)
9. 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)
10. 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)
11. 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.
12. 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.
13. 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.
14. 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)
15. 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)
16. 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.
17. 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.
18. 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)
19. 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.
20. 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.
21. 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.
22. 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.
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 :
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.
24. 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.
25. Yuki Hirasawa, Hiroki Kishikawa and Junichi Fujikata :
Adaptive Compensation for Atmospheric Turbulence-Induced Phase Fluctuation on Multiplexed OAM Beams,
27th Microoptics Conference (MOC2022), No.1005, Jena, Germany, Sep. 2022.
26. 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), No.1004, Jena, Germany, Sep. 2022.
27. 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)
28. 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)
29. 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)
30. 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)
31. 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)
32. 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), No.Oral-1, Mar. 2022.
33. 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), No.WC4.4, Oct. 2021.
(DOI: 10.1109/IPC48725.2021.9592963)
34. Junichi Fujikata :
High performance Ge photodetector with Franz-Keldysh effect on Si-photonics platform for data communication,
27th Internatinal Semiconductor Laser Conference WS, Vol.SuP1, Oct. 2021.
35. Kazuhiro Suzuki, Hiroki Kishikawa, Nobuo Goto and Junichi Fujikata :
OAM Mode Recognition based on Sparse Coding,
26th MicroOptics Conference 2021 (MOC 2021), No.PO-30, Online, Sep. 2021.
(DOI: 10.23919/MOC52031.2021.9598021)
36. 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)
37. 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), No.1570748586, Online, Sep. 2021.
(DOI: 10.1109/SENNANO51750.2021.9642539,   Elsevier: Scopus)

Proceeding of Domestic Conference:

1. Yudai Matsumura, Eiji Hase, Yu Tokizane, Naoya Kuse, Takeo Minamikawa, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, 梶 貴博, 大友 明, 菅野 敦史, 久武 信太郎 and Takeshi Yasui :
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, Sep. 2024.
2. 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), Junichi Fujikata and 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, Mar. 2024.
3. Yudai Matsumura, Eiji Hase, Yu Tokizane, Naoya Kuse, Takeo Minamikawa, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, 梶 貴博, 大友 明, 菅野 敦史, 久武 信太郎 and Takeshi Yasui :
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, Mar. 2024.
4. SHINYA Akito, 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) and Junichi Fujikata :
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, Mar. 2024.
5. Yudai Matsumura, Eiji Hase, Yu Tokizane, Naoya Kuse, Takeo Minamikawa, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, 梶 貴博, 大友 明, 菅野 敦史, 久武 信太郎 and Takeshi Yasui :
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, Mar. 2024.
6. KUSAKA Tomoki and Junichi Fujikata :
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, Jan. 2024.
7. HATA Renma and Junichi Fujikata :
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, Jan. 2024.
8. SHINYA Akito, 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) and Junichi Fujikata :
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, Nov. 2023.
9. HATA Renma and Junichi Fujikata :
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, Nov. 2023.
10. 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), Junichi Fujikata and 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, Nov. 2023.
11. KUSAKA Tomoki and Junichi Fujikata :
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, Sep. 2023.
12. SHINYA Akito, 喜田 弘司 and Junichi Fujikata :
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, Sep. 2023.
13. HATA Renma and Junichi Fujikata :
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, Sep. 2023.
14. SAKUMA Tomoki, 横山 士吉 and Junichi Fujikata :
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, Sep. 2023.
15. YUDAI Matsumura, Eiji Hase, Yu Tokizane, Naoya Kuse, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, 梶 貴博, 大友 明, 菅野 敦史, 諸橋 功, 久武 信太郎 and Takeshi Yasui :
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, Mar. 2023.
16. Junichi Fujikata, TOMOKI Kusaka, 関 和彦(産総研), 乗松 航(名古屋大), 伊藤 孝寛(名古屋大), Tetsuro Katayama, Masao Nagase and Akihiro Furube :
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, Mar. 2023.
17. REMMA Hata, Hiroki Kishikawa and Junichi Fujikata :
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, Mar. 2023.
18. 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), Junichi Fujikata and 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, Mar. 2023.
19. 金子 尚平(豊橋技術科学大学), Piedra-Lorenzana Jose A.(豊橋技術科学大学), Junichi Fujikata and 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, Mar. 2023.
20. Junichi Fujikata, Guo-Wei Lu(会津大学) and 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, Dec. 2022.
21. YUDAI Matsumura, Eiji Hase, Yu Tokizane, Naoya Kuse, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, 梶 貴博, 大友 明, 菅野 敦史, 久武 信太郎 and Takeshi Yasui :
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, Nov. 2022.
22. Yuki Hirasawa, Hiroki Kishikawa and Junichi Fujikata :
Adaptive Compensation for Atmospheric Turbulence-Induced Phase Fluctuation on Multiplexed OAM Beams,
電子情報通信学会 光エレクトロニクス研究会, No.OPE2022-63, Oct. 2022.
23. Taiga Ishida, Hiroki Kishikawa and Junichi Fujikata :
Aggregation of BPSK Signals Using Coherent Interference for Modulation Format Conversion to 8QAM Signal,
電子情報通信学会 光エレクトロニクス研究会, No.OPE2022-64, Oct. 2022.
24. TOMOKI Kusaka, Akihiro Furube, Tetsuro Katayama, Hiroki Kishikawa, Yasuhide Ohno, Masao Nagase and Junichi Fujikata :
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, Sep. 2022.
25. REMMA Hata, Hiroki Kishikawa and Junichi Fujikata :
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, Sep. 2022.
26. YUDAI Matsumura, Eiji Hase, Yu Tokizane, Naoya Kuse, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, 梶 貴博, 大友 明, 菅野 敦史, 久武 信太郎 and Takeshi Yasui :
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, Sep. 2022.
27. Junichi Fujikata, 野口 将高(PETRA), TOMOKI Sakuma, 岡本 大典 (PETRA), 石川 靖彦(豊橋技術科学大学) and 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, Sep. 2022.
28. 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), Junichi Fujikata, 野口 将高(PETRA), カシディット トープラサートポン(東京大学) and 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, Vol.CI-8-5, Mar. 2022.
29. Kengo Hatanaka, Hiroki Kishikawa, Nobuo Goto, Junichi Fujikata, Yi-Lin Yu, Shien-Kuei Liaw and Jiun-Yu Sung :
Multipoint Temperature Sensor Based on Linear-Cavity Fiber Laser with an EDFA and FBGs,
Photonic Device Workshop 2021, No.B-10, Nov. 2021.

Et cetera, Workshop:

1. MATSUMURA Yudai, Eiji Hase, Yu Tokizane, Naoya Kuse, Takeo Minamikawa, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, 梶 貴博, 大友 明, 菅野 敦史, 久武 信太郎 and Takeshi Yasui :
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, Jan. 2024.
2. YUDAI Matsumura, Eiji Hase, Yu Tokizane, Naoya Kuse, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, 梶 貴博, 大友 明, 菅野 敦史, 久武 信太郎 and Takeshi Yasui :
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", Apr. 2023.
3. YUDAI Matsumura, Eiji Hase, Yu Tokizane, Naoya Kuse, Junichi Fujikata, Hiroki Kishikawa, Masanobu Haraguchi, Yasuhiro Okamura, 梶 貴博, 大友 明, 菅野 敦史, 久武 信太郎 and Takeshi Yasui :
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, Feb. 2023.

Patent:

1. Junichi Fujikata : 光位相変調モジュール, 2023-179211 (Oct. 2023), 2023-179211 (Oct. 2023).
2. Takeshi Yasui, Naoya Kuse, Yu Tokizane, Eiji Hase, Hiroki Kishikawa, Yasuhiro Okamura and Junichi Fujikata : コヒーレント合成光電気変換装置, PCT/JP2023/ 26378 (Jul. 2023), .
3. Takeshi Yasui, Naoya Kuse, Yu Tokizane, Eiji Hase, Hiroki Kishikawa, Yasuhiro Okamura and Junichi Fujikata : コヒーレント合成光電気変換装置, 2022-115259 (Jul. 2022), 2024-013294 (Feb. 2024), .
4. Takeshi Yasui, Naoya Kuse, Yu Tokizane, Eiji Hase, Hiroki Kishikawa, Yasuhiro Okamura and Junichi Fujikata : 周波数多重無線伝送装置, 2022-82057 (May 2022), 2023-170363 (Dec. 2023), .
5. Takeshi Yasui, Naoya Kuse, Yu Tokizane, Eiji Hase, Hiroki Kishikawa, Yasuhiro Okamura and Junichi Fujikata : 光電気変換装置, 2022-82054 (May 2022), 2023-170362 (Dec. 2023), .
6. Junichi Fujikata and 横山 士吉(九州大学) : 光位相変調器, 2022039192 (Mar. 2022), 2022039192 (Mar. 2022), 2022039192 (Mar. 2022).

Grants-in-Aid for Scientific Research (KAKEN Grants Database @ NII.ac.jp)

  • Enhancement of optical interaction and all-optical switching by degenerate critical coupling in single-layered graphene (Project/Area Number: 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 (Project/Area Number: 23K22825 )
  • Ultra-sensitive and rapid detection of emerging and resurging viruses based on biomedical photonics of optical frequency comb (Project/Area Number: 22H00303 )
  • On-chip optical synthesizer (Project/Area Number: 19H02634 )
  • Search by Researcher Number (00869159)