Development of high-repetition optical pulse source by miroresonator

• Project/Area Number: 19H00873
• Research Category: Grant-in-Aid for Scientific Research (A)
• Allocation Type: Single-year Grants
• Section: 一般
• Review Section: Medium-sized Section 30:Applied physics and engineering and related fields
• Research Institution: Keio University
• Principal Investigator: 田邉 孝純 慶應義塾大学, 理工学部(矢上), 教授 (40393805)
• Project Period (FY): 2019-04-01 – 2024-03-31
• Project Status: Completed (Fiscal Year 2023)
• Budget Amount: ¥44,590,000 (Direct Cost: ¥34,300,000、Indirect Cost: ¥10,290,000); Fiscal Year 2023: ¥8,580,000 (Direct Cost: ¥6,600,000、Indirect Cost: ¥1,980,000); Fiscal Year 2022: ¥7,800,000 (Direct Cost: ¥6,000,000、Indirect Cost: ¥1,800,000); Fiscal Year 2021: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000); Fiscal Year 2020: ¥11,180,000 (Direct Cost: ¥8,600,000、Indirect Cost: ¥2,580,000); Fiscal Year 2019: ¥7,800,000 (Direct Cost: ¥6,000,000、Indirect Cost: ¥1,800,000)
• Keywords: 微小光共振器 / 光周波数コム / 光エレクトロニクス / 非線形光学 / 量子エレクトロニクス / レーザ / フォトニクス / 光エクトロニクス / フォトニック結晶 / 機械学習 / 非線形工学 / レーザ工学 / 微小光学 / パルスレーザ

Outline of Research at the Start

微小光共振器を用いると効率的に四光波混合などの非線形光学効果を利用できる．それを利用すると，効率的に光周波数コムに必要なスペクトル領域で等間隔な櫛状の光を得ることができる．それに加えて，微小光共振器を用いた光周波数コムは，高繰り返しであり，可搬性に優れるので，様々な応用が期待できる．本研究では，その光源の開発とその利用を開拓する研究である．利用研究としてはプロセル応用及び光通信応用に注目し，それぞれで微小光共振器による光周波数コムがどのように適用できるかを明らかにする．その際に，背景光フリーの超小型集積モードロックレーザの開発も必要になるので，そうした新奇光源の開発も進める．

Outline of Annual Research Achievements

結合共振器を用いた全く新たなモードロックの手法を発明した．モードロックレーザパルスを生成するためには，可飽和吸収効果が必要とされる．従来，可飽和吸収を実装するために，カーボンナノチューブやグラフェンなどを共振器に結合させることが行われてきた．この手法は従来のファイバーレーザのモードロックには有効であるものの，モード体積が小さく利得が大きくはない微小光共振器レーザにおいては，損失が大きくなりすぎてしまい，モードロックが得られにくいという問題を生じさせていた．そこで，我々は，利得と損失を二つの別々の共振器に分離して，この二つの共振器を結合させることを発案した．
利得と損失を有する二つの共振器を結合させると，その系には空間時間反転（PT）対称性の崩れが生じる．系のパラメータを変化させると，PT対称性の崩れが生じるポイントが発現し，そのポイントが特異点（EP）である．我々の系はEPを有する系となっており，EP付近において，システムの損失が大きく変化することを利用すると，人工的に効果的な可飽和吸収動作を実現できることを見出した．実際には共振器内の僅かな光強度の変化の結果生じる光カー効果の変化を感じて，損失共振器が利得共振器から，光パルスの裾のみ強く結合する条件となるために，可飽和吸収が実現できる．利得と損失を有する共振器を結合し，可飽和吸収に等価な動作を実現し，モードロックを理論的に実証した．
次に，MgF2微小光共振器の超精密加工とその温度及び圧力による動的な制御について研究を進めた．これはマイクロコムを静的なものではなく，動的にパラメータを調整ができるようにする，基本技術といえる．我々は，マイクロコムを生成しながら，その中心波長や繰り返し周波数を変化できることを実証した．波長可変レーザを用いなくともマイクロコムを生成でき，超波長安定したマイクロコム生成につながる技術である．

Research Progress Status

令和5年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

令和5年度が最終年度であるため、記入しない。

Research Products

• [Journal Article] Mechanically Actuated Kerr Soliton Microcombs (2024)
  • Author(s): Fujii Shun、Wada Koshiro、Kogure Soma、Kumazaki Hajime、Tanabe Takasumi
  • Journal Title: Laser & Photonics Reviews Volume: - Issue: 9 Pages: 2301329-2301329
  • DOI: 10.1002/lpor.202301329
  • Peer Reviewed / Open Access
• [Journal Article] Fabrication of silicon nitride based high-Q microring resonators prepared by the hot-wire CVD method and their applications to frequency comb generation (2024)
  • Author(s): Sota Shota、Handa Koichiro、Fujii Shun、Tanabe Takasumi、Uzawa Yoshinori、Furusawa Kentaro、Sekine Norihiko
  • Journal Title: Optical Materials Express Volume: 14 Issue: 5 Pages: 1128-1128
  • DOI: 10.1364/ome.520340
• [Journal Article] Synchronization of two chaotic microresonator frequency combs (2024)
  • Author(s): Moreno David、Fujii Shun、Nakashima Ayata、Lemcke Deniz、Uchida Atsushi、Sanchis Pablo、Tanabe Takasumi
  • Journal Title: Optics Express Volume: 32 Issue: 2 Pages: 2460-2460
  • DOI: 10.1364/oe.511097
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Stability and mutual coherence of Raman combs in high-Q silica microresonators (2023)
  • Author(s): Sugawara Shuto、Fujii Shun、Kawanishi Satoki、Tanabe Takasumi
  • Journal Title: Optics Continuum Volume: 2 Issue: 7 Pages: 1588-1588
  • DOI: 10.1364/optcon.493749
  • Peer Reviewed / Open Access
• [Journal Article] Versatile tuning of Kerr soliton microcombs in crystalline microresonators (2023)
  • Author(s): Fujii Shun、Wada Koshiro、Sugano Ryo、Kumazaki Hajime、Kogure Soma、Kato Yuichiro K.、Tanabe Takasumi
  • Journal Title: Communications Physics Volume: 6 Issue: 1 Pages: 1-1
  • DOI: 10.1038/s42005-022-01118-4
  • Peer Reviewed / Open Access
• [Journal Article] Synchronization of microresonator frequency combs in chaotic regime (2023)
  • Author(s): Moreno Gallego de la Sacristana David、Fujii Shun、Nakashima Ayata、Uchida Atsushi、Sanchis Pablo、Tanabe Takasumi
  • Journal Title: Proc. SPIE Volume: 12407 Pages: 1240708-1240708
  • DOI: 10.1117/12.2649557
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Saturable Absorption of CNT and Fabrication of Erbium-doped Microresonator for On-chip Mode-locked Laser (2022)
  • Author(s): 今村 陸, 鈴木 S. L. P. 智生, 石田 蘭丸, 藤井 瞬, セット ジ イヨン, 山下 真司, 田邉 孝純
  • Journal Title: IEEJ Transactions on Electronics, Information and Systems Volume: 142 Issue: 3 Pages: 395-400
  • DOI: 10.1541/ieejeiss.142.395
  • NAID: 130008165799
  • ISSN: 0385-4221, 1348-8155
  • Year and Date: 2022-03-01
  • Peer Reviewed
• [Journal Article] Deterministic generation of a perfect soliton crystal microcomb with a saturable absorber (2022)
  • Author(s): Nakashima Ayata、Fujii Shun、Imamura Riku、Nagashima Keigo、Tanabe Takasumi
  • Journal Title: Optics Letters Volume: 47 Issue: 6 Pages: 1458-1458
  • DOI: 10.1364/ol.451865
  • Peer Reviewed / Open Access
• [Journal Article] Theoretical approach on the critical depth of cut of single crystal MgF2 and application to a microcavity (2022)
  • Author(s): Hayama Yuka、Fujii Shun、Tanabe Takasumi、Kakinuma Yasuhiro
  • Journal Title: Precision Engineering Volume: 73 Pages: 234-243
  • DOI: 10.1016/j.precisioneng.2021.09.002
  • Peer Reviewed / Open Access
• [Journal Article] Design of a passively mode-locking whispering-gallery-mode microlaser (2021)
  • Author(s): Suzuki Tomoki S. L. Prugger、Nakashima Ayata、Nagashima Keigo、Ishida Rammaru、Imamura Riku、Fujii Shun、Set Sze Yun、Yamashita Shinji、Tanabe Takasumi
  • Journal Title: Journal of the Optical Society of America B Volume: 38 Issue: 10 Pages: 3172-3172
  • DOI: 10.1364/josab.433804
  • Peer Reviewed / Open Access
• [Journal Article] Dispersion engineering and measurement of whispering gallery mode microresonator for Kerr frequency comb generation (2020)
  • Author(s): Fujii Shun、Tanabe Takasumi
  • Journal Title: Nanophotonics Volume: 0 Issue: 5 Pages: 1087-1104
  • DOI: 10.1515/nanoph-2019-0497
  • Peer Reviewed / Open Access
• [Journal Article] All-precision-machining fabrication of ultrahigh-Q crystalline optical microresonators (2020)
  • Author(s): Fujii Shun、Hayama Yuka、Imamura Kosuke、Kumazaki Hajime、Kakinuma Yasuhiro、Tanabe Takasumi
  • Journal Title: Optica Volume: 7 Issue: 6 Pages: 694-694
  • DOI: 10.1364/optica.394244
  • Peer Reviewed / Open Access
• [Journal Article] Manipulation of phase slips in carbon-nanotube-templated niobium-nitride superconducting nanowires under microwave radiation (2020)
  • Author(s): Kato Kota、Takagi Tasuku、Tanabe Takasumi、Moriyama Satoshi、Morita Yoshifumi、Maki Hideyuki
  • Journal Title: Scientific Reports Volume: 10 Issue: 1 Pages: 14278-14278
  • DOI: 10.1038/s41598-020-71218-0
  • Peer Reviewed / Open Access
• [Journal Article] 微小光共振器を用いた光周波数コム (2020)
  • Author(s): 田邉孝純，藤井瞬，和田幸四郎，柿沼康弘
  • Journal Title: 電子情報通信学会誌 Volume: 103 Pages: 1105-1112
• [Journal Article] Theoretical Study on Dual-Comb Generation and Soliton Trapping in a Single Microresonator with Orthogonally Polarized Dual Pumping (2019)
  • Author(s): Suzuki Ryo、Fujii Shun、Hori Atsuhiro、Tanabe Takasumi
  • Journal Title: IEEE Photonics Journal Volume: 11 Issue: 1 Pages: 1-11
  • DOI: 10.1109/jphot.2018.2888637
  • Peer Reviewed / Open Access
• [Journal Article] Roadmap on all-optical processing (2019)
  • Author(s): Minzioni Paolo、Lacava Cosimo、Tanabe Takasumi、他
  • Journal Title: Journal of Optics Volume: 21 Issue: 6 Pages: 063001-063001
  • DOI: 10.1088/2040-8986/ab0e66
• [Journal Article] Octave-wide phase-matched four-wave mixing in dispersion-engineered crystalline microresonators (2019)
  • Author(s): Fujii Shun、Tanaka Shuya、Fuchida Mika、Amano Hikaru、Hayama Yuka、Suzuki Ryo、Kakinuma Yasuhiro、Tanabe Takasumi
  • Journal Title: Optics Letters Volume: 44 Issue: 12 Pages: 3146-3146
  • DOI: 10.1364/ol.44.003146
  • Peer Reviewed / Open Access
• [Journal Article] Review on microresonator frequency combs (2019)
  • Author(s): Tanabe Takasumi、Fujii Shun、Suzuki Ryo
  • Journal Title: Japanese Journal of Applied Physics Volume: 58 Issue: SJ Pages: SJ0801-SJ0801
  • DOI: 10.7567/1347-4065/ab2aca
  • NAID: 210000156776
  • Peer Reviewed / Open Access
• [Presentation] 小型プリズム結合モジュールを用いたソリトンコム発生 (2024)
  • Author(s): 元谷祐太，藤井瞬，木村祥太，橋本洋輔，山川智也，今村陸，田邉孝純
  • Organizer: 第71回応用物理学会春季学術講演会
• [Presentation] ソリトンコムを用いた300GHz信号の伝送 (2024)
  • Author(s): 今村万太郎，四方田彩花，谷川幸彌，木暮蒼真，菅野凌，川西悟基，藤井瞬，田邉 孝純
  • Organizer: 第71回応用物理学会春季学術講演会
• [Presentation] シリカトロイド共振器へのグラフェン転写に関する研究 (2024)
  • Author(s): 松山隼，高野淳史，今村陸，藤井瞬，田邉孝純
  • Organizer: 第２3回レーザー学会東京支部研究会
• [Presentation] マイクロコムによる300 GHz発生と伝送実験 (2024)
  • Author(s): 川西悟基，今村万太郎，四方田彩花，谷川幸彌，木暮蒼真，菅野凌，藤井瞬，田邉孝純
  • Organizer: 2024年電子情報通信学会総合大会
• [Presentation] マイクロコム光源技術の基礎と展望 (2024)
  • Author(s): 田邉孝純
  • Organizer: レーザー学会学術講演会第44回年次大会
  • Invited
• [Presentation] マイクロコムの波長拡大へ向けた精密加工による共振器分散制御 (2024)
  • Author(s): 高林諒明，児玉耀，柿沼康弘，田邉孝純，藤井瞬
  • Organizer: レーザー学会学術講演会第44回年次大会
• [Presentation] バットカプリングによるSiN/Si異種材料集積 (2024)
  • Author(s): 菅野凌，大竹遼，西端諒，藤井瞬，田邉孝純
  • Organizer: レーザー学会学術講演会第44回年次大会
• [Presentation] 例外点近傍における結合共振器系受動モード同期レーザーの理論実証 (2024)
  • Author(s): 今村陸，藤井瞬，田邉孝純
  • Organizer: レーザー学会学術講演会第44回年次大会
• [Presentation] SiN共振器によるソリトンコムの生成と300 GHzテラヘルツ通信への応用 (2024)
  • Author(s): 今村万太郎，四方田彩花，谷川幸彌，木暮蒼真，川西悟基，藤井瞬，田邉孝純
  • Organizer: レーザー学会学術講演会第44回年次大会
• [Presentation] SiN/Si hybrid integration via inversed taper edge coupler (2023)
  • Author(s): Ryo Sugano, Junnosuke Kokubu, Ryo Otake, Ryo Nishihata, Shun Fujii, and Takasumi Tanabe
  • Organizer: 13th International Symposium on Photonics and electronics Convergence (ISPEC2023)
  • Int'l Joint Research
• [Presentation] Sudden broadening of the linewidth in a modulation instability comb (2023)
  • Author(s): Soma Kogure, Shun Fujii, and Takasumi Tanabe
  • Organizer: 13th International Symposium on Photonics and electronics Convergence (ISPEC2023)
  • Int'l Joint Research
• [Presentation] Study on the temperature characteristics of prismatic coupling in microcavity (2023)
  • Author(s): Tomoya Yamakawa, Yuta Mototani, Shota Kimura, Yosuke Hashimoto, Tomohiro Araki, Shun Fujii, Takasumi Tanabe
  • Organizer: The 12th Asia-Pacific Laser Symposium (APLS2023)
  • Int'l Joint Research
• [Presentation] Dispersion engineering of crystalline whispering-gallery microresonators for mid-infrared frequency comb generation (2023)
  • Author(s): Ryomei Takabayashi, Shun Fujii, and Takasumi Tanabe
  • Organizer: The 12th Asia-Pacific Laser Symposium (APLS2023)
  • Int'l Joint Research
• [Presentation] SiN/Si Heterogeneous Integration with Butt-coupling (2023)
  • Author(s): Ryo Sugano, Ryo Otake, Ryo Nishihata, Shun Fujii, and Takasumi Tanabe
  • Organizer: The 12th Asia-Pacific Laser Symposium (APLS2023)
  • Int'l Joint Research
• [Presentation] SiN/Si Hybrid Integration with Edge Couplers by Butt-coupling (2023)
  • Author(s): Ryo Sugano, Ryo Otake, and Takasumi Tanabe
  • Organizer: Progress In Electromagnetics Research Symposium (PIERS2023)
  • Int'l Joint Research
• [Presentation] Extending Spectral Tunability of Soliton Microcombs in Ultrahigh-Q Microresonators (2023)
  • Author(s): Shun Fujii, Koshiro Wada, Hajime Kumazaki, Soma Kogure, and Takasumi Tanabe
  • Organizer: Progress In Electromagnetics Research Symposium (PIERS2023)
  • Int'l Joint Research
• [Presentation] Generation of 300-GHz Terahertz Waves with Microresonator Frequency Combs (2023)
  • Author(s): Koya Tanikawa, Shun Fujii, Soma Kogure, Hajime Kumazaki, Satoki Kawanishi, and Takasumi Tanabe
  • Organizer: Progress In Electromagnetics Research Symposium (PIERS2023)
  • Int'l Joint Research
• [Presentation] Assessment of the Feasibility of Employing Chaos Synchronization in Two Cascaded Microresonators for Secure Data Transmission (2023)
  • Author(s): Deniz Lemcke, David Moreno, Shun Fujii, Ayata Nakashima, Atsushi Uchida, and Takasumi Tanabe
  • Organizer: 2023 Conference on Lasers and Electro-Optics/Europe - European Quantum Electronics Virtual Conferences (CLEO/Europe-EQEC 2023)
  • Int'l Joint Research
• [Presentation] Mode-locking System of Coupled Microcavities with Gain and Nonlinear Loss (2023)
  • Author(s): Riku Imamura, Shun Fujii, Ayata Nakashima, and Takasumi Tanabe
  • Organizer: 2023 Conference on Lasers and Electro-Optics/Europe - European Quantum Electronics Virtual Conferences (CLEO/Europe-EQEC 2023)
  • Int'l Joint Research
• [Presentation] Field demonstration of multi-wavelength optical transmission with microresonator frequency combs (2023)
  • Author(s): Koya Tanikawa,Shun Fujii, Soma Kogure, Shuya Tanaka, Shun Tasaka, Koshiro Wada, Hajime Kumazaki, Satoki Kawanishi, and Takasumi Tanabe
  • Organizer: 2023 Conference on Lasers and Electro-Optics/Europe - European Quantum Electronics Virtual Conferences (CLEO/Europe-EQEC 2023)
  • Int'l Joint Research
• [Presentation] Low threshold mode-locking close at an exceptional point in coupled microcavities (2023)
  • Author(s): Takasumi Tanabe
  • Organizer: International Conference on Antennas and Electromagnetic Systems (AES2023)
  • Int'l Joint Research / Invited
• [Presentation] Field Demonstration of Low-Latency Massively Parallel Communication with Microresonator Frequency Comb (2023)
  • Author(s): Koya Tanikawa, Shun Fujii, Shuya Tanaka, Shun Tasaka, Koshiro Wada, Soma Kogure, Hajime Kumazaki, Satoki Kawanishi, and Takasumi Tanabe
  • Organizer: CLEO:2023
  • Int'l Joint Research
• [Presentation] Graphene transfer on a microsphere cavity for ultra-compact mode-locked laser (2023)
  • Author(s): Atsushi Takano, Ayata, Nakashima, Riku Imamura, Shun Fujii, and Takasumi Tanabe
  • Organizer: The 12th Advanced Lasers and Photon Sources (ALPS2023)
  • Int'l Joint Research
• [Presentation] Evaluation of chaos synchronization in two cascaded microresonators (2023)
  • Author(s): Deniz Lemcke, David Moreno, Shun Fujii, Ayata Nakashima, Atsushi Uchida, and Takasumi Tanabe
  • Organizer: The 12th Advanced Lasers and Photon Sources (ALPS2023)
  • Int'l Joint Research
• [Presentation] Numerical analysis of mode-locked regime in a coupled microresonator system (2023)
  • Author(s): Riku Imamura, Shun Fujii, Ayata Nakashima, and Takasumi Tanabe
  • Organizer: The 12th Advanced Lasers and Photon Sources (ALPS2023)
  • Int'l Joint Research
• [Presentation] Generation of 300-GHz Terahertz Waves with Dissipative Kerr Soliton Microresonator Frequency Combs (2023)
  • Author(s): Koya Tanikawa, Soma Kogure, Shun Fujii, Hajime Kumazaki, Satoki Kawanishi, and Takasumi Tanabe
  • Organizer: The 12th Advanced Lasers and Photon Sources (ALPS2023)
  • Int'l Joint Research
• [Presentation] Microresonator frequency combs for ultra-low latency optical communication for Beyond 5G and 6G applications (2023)
  • Author(s): Takasumi Tanabe
  • Organizer: pLED International symposium 2023: Exploring Invisible Light Technology
  • Int'l Joint Research / Invited
• [Presentation] 微小光共振器による光周波数コムを用いた多波長フィールド伝送 (2023)
  • Author(s): 谷川幸彌，藤井瞬，木暮蒼真，田坂駿，田中脩矢，和田幸四郎，熊崎基，川西悟基，田邉孝純，
  • Organizer: 電子情報通信学会総合大会
• [Presentation] Analysis of Chaos Synchronization of Microresonator Frequency Combs (2023)
  • Author(s): D. Lemcke, D. Moreno, S. Fujii, A. Nakashima, A. Uchida, and T. Tanabe
  • Organizer: 第70回応用物理学会春季学術講演会
• [Presentation] チップスケール送信機に向けたSiN/Si集積の結合効率 (2023)
  • Author(s): 菅野凌，大竹遼，田邉孝純
  • Organizer: 第70回応用物理学会春季学術講演会
• [Presentation] ソリトンマイクロコムの広範囲精密チューニング (2023)
  • Author(s): 藤井瞬，和田幸四郎，菅野凌，熊崎基，木暮蒼真，加藤雄一郎，田邉孝純
  • Organizer: 第70回応用物理学会春季学術講演会
• [Presentation] Microresonator Frequency Combs Generated by MgF2 Crystalline Microresonator and SiN Microring for Telecom Applications, (2022)
  • Author(s): T. Tanabe, S. Fujii, S. Kogure, S. Kawanishi
  • Organizer: The 43rd Photonics and Electromagnetics Research Symposium (PIERS 2022)
  • Int'l Joint Research / Invited
• [Presentation] Microresonator frequency comb for wavelength division multiplexing communications at 20-GHz channel spacing (2022)
  • Author(s): K. Tanikawa, S. Tasaka, K. Wada, S. Kogure, S. Tanaka, S. Fujii, H. Kumazaki, S. Kawanishi, and T. Tanabe
  • Organizer: The 11th Advanced Lasers and Photon Sources (ALPS2022)
  • Int'l Joint Research
• [Presentation] Detuning dependence of beat noise in a microresonator frequency comb source (2022)
  • Author(s): S. Kogure, S. Fujii, H. Kumazaki, S. Sota, Y. Hashimoto3, Y. Kobayashi, T. Araki, T. Tanabe
  • Organizer: The 11th Advanced Lasers and Photon Sources (ALPS2022)
  • Int'l Joint Research
• [Presentation] Stability measurements of microresonator Raman combs (2022)
  • Author(s): S. Sugawara, S. Fujii, H. Kumazaki, S. Sota, and T. Tanabe
  • Organizer: The 11th Advanced Lasers and Photon Sources (ALPS2022)
  • Int'l Joint Research
• [Presentation] FEC-free optical data transmission with a chip-integrated microresonator frequency comb source (2022)
  • Author(s): S. Kogure, T. Ohtsuka, S. Fujii, H. Kumazaki, S Tanaka, Y. Hashimoto, Y. Kobayashi, T. Araki, K. Furusawa, N. Sekine, and T. Tanabe
  • Organizer: CLEO:2022
  • Int'l Joint Research
• [Presentation] Frequency comb generation in a silicon nitride microring resonator fabricated by using hot-wire CVD method (2022)
  • Author(s): S. Sota, K. Handa, T. Tanabe, Y. Uzawa, K. Furusawa, and N. Sekine
  • Organizer: CLEO:2022
  • Int'l Joint Research
• [Presentation] Deterministic Generation of Perfect Soliton Crystal Assisted by Saturable Absorption (2022)
  • Author(s): A. Nakashima, S. Fujii, R. Imamura, K. Nagashima, and T. Tanabe
  • Organizer: CLEO:2022
  • Int'l Joint Research
• [Presentation] Stability and mutual coherence measurement of Raman microcomb in a silica WGM microresonator, (2022)
  • Author(s): S. Sugawara, S. Fujii, S. Sota, and T. Tanabe
  • Organizer: CLEO:2022
  • Int'l Joint Research
• [Presentation] Active Thermal Tuning of a Soliton Frequency Comb in a Crystalline Optical Microresonator (2022)
  • Author(s): S. Fujii, K. Wada, S. Kogure, H. Kumazaki, and T. Tanabe
  • Organizer: CLEO:2022
  • Int'l Joint Research
• [Presentation] Integrated microresonator frequency comb source for massive-parallel optical communication (2022)
  • Author(s): T. Tanabe, S. Kogure, and S. Fujii
  • Organizer: 8th International Conference on Antennas and Electromagnetic Systems (AES 2022)
  • Int'l Joint Research / Invited
• [Presentation] Experimental investigation of Raman comb formation and stability in a silica microrod resonator (2022)
  • Author(s): S. Sugawara, S. Fujii, H. Kumazaki, S. Sota, and T. Tanabe
  • Organizer: Nonlinear Photonics (NP 2022)
  • Int'l Joint Research
• [Presentation] FEC-free dense WDM transmission with Kerr soliton microcombs in crystalline MgF2 microresonators (2022)
  • Author(s): K. Tanikawa, S. Tasaka, S. Fujii, S. Tanaka, H. Kumazaki, K. Wada, S. Kogure, S. Kawanishi, and T. Tanabe
  • Organizer: Conference on Lasers and Electro-Optics Pacific Rim 2022 (CLEO-PR 2022)
  • Int'l Joint Research
• [Presentation] Low-cost photonic crystal spectrometer using up-conversion (2022)
  • Author(s): R. Sugano, S. Jin, J. Hofs, K. Yube, K. Nagashima, T. Kodama, and T. Tanabe
  • Organizer: Conference on Lasers and Electro-Optics Pacific Rim 2022 (CLEO-PR 2022)
  • Int'l Joint Research
• [Presentation] Mode-locked Operation in a Coupled Microresonator System with Gain and Nonlinear Loss (2022)
  • Author(s): R. Imamura, Y. Tate, A. Nakashima, K. Nagashima, S. Fujii, and T. Tanabe
  • Organizer: Conference on Lasers and Electro-Optics Pacific Rim 2022 (CLEO-PR 2022)
  • Int'l Joint Research
• [Presentation] Effect of detuning on noise characteristics in a microcomb-based light source (2022)
  • Author(s): S. Kogure, S. Fujii, H. Kumazaki, S. Sota, Y. Hashimoto, Y. Kobayashi, T. Araki, and T. Tanabe
  • Organizer: Conference on Lasers and Electro-Optics Pacific Rim 2022 (CLEO-PR 2022)
  • Int'l Joint Research
• [Presentation] Microresonator frequency combs for ultra-low latency optical communication (2022)
  • Author(s): T. Tanabe
  • Organizer: 12th International Symposium on Photonics and Electronics Convergence (ISPEC2022)
  • Int'l Joint Research
• [Presentation] Effect of detuning on RF beat note in modulation instability comb (2022)
  • Author(s): S. Kogure, S. Fujii, H. Kumazaki, S. Sota, and T. Tanabe
  • Organizer: 12th International Symposium on Photonics and Electronics Convergence (ISPEC2022)
  • Int'l Joint Research
• [Presentation] Experimental measurement of Raman comb stability and mutual coherence in silica rod microresonator (2022)
  • Author(s): S. Sugawara, S. Fujii, H. Kumazaki, and T. Tanabe
  • Organizer: 12th International Symposium on Photonics and Electronics Convergence (ISPEC2022)
  • Int'l Joint Research
• [Presentation] Impedance and mode matching for high-efficient Si/SiN waveguides coupling (2022)
  • Author(s): R. Sugano, R. Nishihata, and T. Tanabe
  • Organizer: 12th International Symposium on Photonics and Electronics Convergence (ISPEC2022)
  • Int'l Joint Research
• [Presentation] Field demonstration of low-latency optical transmission with soliton microcombs (2022)
  • Author(s): K. Tanikawa, S. Fujii, S. Tanaka, S. Tasaka, K. Wada, S. Kogure, H. Kumazaki, S. Kawanishi, and T. Tanabe
  • Organizer: 12th International Symposium on Photonics and Electronics Convergence (ISPEC2022)
  • Int'l Joint Research
• [Presentation] Saturable Absorber Embedded Microcavity for a Perfect Soliton Crystal (2022)
  • Author(s): A. Nakashima, S. Fujii, R. Imamura, and T. Tanabe
  • Organizer: 12th International Symposium on Photonics and Electronics Convergence (ISPEC2022)
  • Int'l Joint Research
• [Presentation] 微小光共振器で生成する光周波数コム及びWGMレーザーの応用展開 (2022)
  • Author(s): 今村陸，藤井瞬，木暮蒼真，田邉孝純
  • Organizer: レーザー学会学術講演会第42会年次大会
  • Invited
• [Presentation] 高Q値微小光共振器による高繰り返しソリトンマイクロコムの発生と精密制御 (2022)
  • Author(s): 藤井瞬，和田幸四郎，木暮蒼真，熊崎基，柿沼康弘，田邉孝純
  • Organizer: レーザー学会学術講演会第42会年次大会
• [Presentation] MgF2微小光共振器による光周波数コムの波長分割多重通信への応用 (2022)
  • Author(s): 谷川幸彌，田坂駿，和田幸四郎，木暮蒼真，田中脩矢，藤井瞬，熊崎基，川西悟基，田邉孝純
  • Organizer: 第69回応用物理学会春季学術講演会
• [Presentation] マイクロコムにおけるデチューニングとノイズの関係 (2022)
  • Author(s): 木暮蒼真，藤井瞬，熊崎基，曽田昇汰，橋本洋輔，小林雄太，荒木智宏，田邉孝純
  • Organizer: 第69回応用物理学会春季学術講演会
• [Presentation] 利得と非線形吸収を有する微小光共振器結合系におけるモード同期動作 (2022)
  • Author(s): 今村陸，建柚毅，藤井瞬，中島綾太，長島圭吾，田邉孝純
  • Organizer: 第69回応用物理学会春季学術講演会
• [Presentation] シリカ WGM 微小共振器におけるラマンコムの安定性の評価 (2022)
  • Author(s): 菅原漱人，藤井瞬，曽田昇汰，田邉 孝純
  • Organizer: 第69回応用物理学会春季学術講演会
• [Presentation] Ultrahigh-Q crystalline whispering gallery mode microcavity fabricated with mechanical machining (2022)
  • Author(s): T. Tanabe
  • Organizer: 6th International Workshop on Microcavities and Their Applications (WOMA 2022)
  • Int'l Joint Research / Invited
• [Presentation] Generation of multiple solitons with help from a saturable absorber (2021)
  • Author(s): A. Nakashima, S. Fujii, R. Imamura, K. Nagashima, and T. Tanabe
  • Organizer: The 10th Advanced Lasers and Photon Sources (ALPS2021)
  • Int'l Joint Research
• [Presentation] Raman-comb-based wavelength source for optical communication (2021)
  • Author(s): S. Sugawara, S. Tanaka, K. Wada, S. Fujii, H. Kumazaki, S. Tasaka, S. Sota, T. Ohtsuka, S. Kawanishi, and T. Tanabe
  • Organizer: The 10th Advanced Lasers and Photon Sources (ALPS2021)
  • Int'l Joint Research
• [Presentation] Stable formation of multiple solitons in an optical microresonator assisted by saturable absorption (2021)
  • Author(s): A. Nakashima, S. Fujii, R. Imamura, K. Nagashima, and T. Tanabe
  • Organizer: CLEO:2021
  • Int'l Joint Research
• [Presentation] Optical Data Transmission with a Dissipative Kerr Soliton in an Ultrahigh Q MgF2 Microresonator (2021)
  • Author(s): S. Tanaka, S. Fujii, K. Wada, H. Kumazaki, S. Kogure, S. Tasaka, T. Ohtsuka, S. Kawanishi, and T. Tanabe
  • Organizer: CLEO/Europe
  • Int'l Joint Research
• [Presentation] Design of a Passively Mode-locked Microlaser with an Er-doped Microcavity and Carbon Nanotubes (2021)
  • Author(s): R. Imamura, A. Nakashima, K. Nagashima, T. S. L. P. Suzuki, R. Ishida, S. Fujii, and T. Tanabe
  • Organizer: CLEO/Europe
  • Int'l Joint Research
• [Presentation] Measurement of saturable absorption behavior of CNT/PDMS coated high-Q microcavity towards mode-locking of Er-doped laser (2021)
  • Author(s): R. Imamura, K. Nagashima, and T. Tanabe
  • Organizer: 11th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META2021)
  • Int'l Joint Research / Invited
• [Presentation] Optical transmission using Stokes light (2021)
  • Author(s): S. Sugawara, S. Tanaka, S. Fujii, H. Kumazaki, S. Tasaka, S. Kawanishi, and T. Tanabe
  • Organizer: International Symposium on Novel maTerials and quantum Technologies (ISNTT2021)
  • Int'l Joint Research
• [Presentation] Dispersion controlled crystalline high-Q microresonator for broad bandwidth optical parametric oscillation and soliton generation (2021)
  • Author(s): S. Fujii, Y. Hayama, Y. Kakinuma, and T. Tanabe
  • Organizer: Optics & Photonics Japan 2021 (OPJ2021) OSJ-OSA-OSK Joint Symposia on Optics
  • Invited
• [Presentation] フッ化マグネシウム微小光共振器を用いた散逸性カーソリトンの安定化 (2021)
  • Author(s): 和田 幸四郎，藤井瞬，熊崎基，大塚民貴，木暮蒼真，曽田昇汰，川西悟基，橋本洋輔，小林雄太，荒木智宏，田邉孝純
  • Organizer: レーザー学会学術講演会第41会年次大会
• [Presentation] レート方程式を用いたEr添加微小光共振器の過渡解析 (2021)
  • Author(s): 中島綾太，長島圭吾，藤井瞬，今村陸，田邉孝純
  • Organizer: レーザー学会学術講演会第41会年次大会
• [Presentation] SiN微小光共振器を用いたマイクロコムによるWDM伝送 (2021)
  • Author(s): 大塚民貴，藤井瞬，熊崎基，木暮蒼真，和田幸四郎，古澤健太郎，関根徳彦，田邉孝純
  • Organizer: 2021年電子情報通信学会総合大会
• [Presentation] Hot-wire CVD法による厚膜SiNを用いた低損失リング共振器作製 (2021)
  • Author(s): 半田浩一朗，曽田昇汰，古澤健太郎，青木画奈，関根徳彦，柳澤亮人，石田悟己，野村政宏，岩本敏，田邉孝純
  • Organizer: 第68回応用物理学会春季学術講演会
• [Presentation] 光伝送応用へ向けたマイクロコムの雑音特性の評価 (2021)
  • Author(s): 木暮蒼真，大塚民貴，藤井瞬，熊崎基，和田幸四郎，橋本洋輔，小林雄太，荒木智宏，古澤健太郎，関根徳彦，田邉孝純
  • Organizer: 第68回応用物理学会春季学術講演会
• [Presentation] コーティング法によるEr添加トロイド微小光共振器の作製 (2021)
  • Author(s): 今村陸，長島圭吾，藤井瞬，熊﨑基，田邉孝
  • Organizer: 第68回応用物理学会春季学術講演会
• [Presentation] 可飽和吸収体を用いたマルチソリトン生成に関する数値解析 (2021)
  • Author(s): 中島綾太，藤井瞬，今村陸，長島圭吾，田邉孝純
  • Organizer: 第68回応用物理学会春季学術講演会
• [Presentation] マイクロ周波数コム応用へ向けた超精密機械加工技術の展開 (2021)
  • Author(s): 藤井瞬，葉山優花，熊崎基，和田幸四郎，柿沼康弘，田邉孝純
  • Organizer: 第68回応用物理学会春季学術講演会
  • Invited
• [Presentation] Fabrication of dispersion engineered ultrahigh-Q crystalline optical microresonator for broad-bandwidth optical parametric oscillation (2021)
  • Author(s): S. Fujii, K. Wada, Y. Kakinuma, and T. Tanabe
  • Organizer: SPIE Photonics West 2021
  • Int'l Joint Research / Invited
• [Presentation] Kerr frequency comb aligned with ITU-T grid for DWDM telecom applications in crystalline microresonators (2020)
  • Author(s): K. Wada, S. Fujii, H. Kumazaki, T. Ohtsuka, S. Sota, S. Kawanishi, Y. Hashimoto, Y. Kobayashi, T. Araki, and T. Tanabe
  • Organizer: The 9th Advanced Lasers and Photon Sources (ALPS2020)
  • Int'l Joint Research
• [Presentation] Saturable absorption of CNT/PDMS coated high-Q microcavity (2020)
  • Author(s): K. Nagashima, R. Ishida, R. Imamura, S. Fujii, S. Y. Set, S. Yamashita, and T. Tanabe
  • Organizer: The 9th Advanced Lasers and Photon Sources (ALPS2020)
  • Int'l Joint Research
• [Presentation] Study on broadband Raman comb generation in silica rod microresonators (2020)
  • Author(s): S. Sota, S. Fujii, H. Kumazaki, T. Ohtsuka, R. Suzuki, and T. Tanabe
  • Organizer: The 9th Advanced Lasers and Photon Sources (ALPS2020)
  • Int'l Joint Research
• [Presentation] Generation of Kerr frequency comb aligned with ITU-T DWDM grid for telecom applications (2020)
  • Author(s): T. Ohtsuka, S. Fujii, H. Kumazaki, K. Wada, K. Furusawa, N. Sekine, and T. Tanabe
  • Organizer: CLEO:2020
  • Int'l Joint Research
• [Presentation] Coupling of Whispering Gallery Mode with Silicon Photonic Crystal (2020)
  • Author(s): K. Yube, H. Kumazaki, Y. Zhuang, S. Fujii, R. Imamura, R. Ishida, and T. Tanabe
  • Organizer: CLEO:2020
  • Int'l Joint Research
• [Presentation] Er添加微小光共振器とCNTを用いたモード同期条件の数値解析 (2020)
  • Author(s): 長島圭吾，鈴木智生サムエル，藤井瞬，石田蘭丸，今村陸，田邉 孝純
  • Organizer: レーザー学会学術講演会第40回年次大会
• [Presentation] ITU-T周波数グリッドに照準を合わせた光カーコムの発生 (2020)
  • Author(s): 和田幸四郎，藤井瞬，熊崎基，大塚民貴，曽田昇汰，川西悟基，田邉孝純
  • Organizer: 第67回応用物理学会春季学術講演会
• [Presentation] ウィスパリングギャラリーモードのシリコンフォトニック結晶素子との結合 (2020)
  • Author(s): 遊部航希，熊崎基，Yuyang Zhuang，藤井瞬，今村陸，石田蘭丸，田邉孝純
  • Organizer: 第67回応用物理学会春季学術講演会
• [Presentation] シリカ微小光共振器における広帯域ラマンコム発生に関する研究 (2020)
  • Author(s): 曽田昇汰，藤井瞬，鈴木良，田邉孝純
  • Organizer: 第67回応用物理学会春季学術講演会
• [Presentation] PDMSを用いた微小光共振器へのCNTのコーティングと可飽和吸収特性 (2020)
  • Author(s): 今村陸，長島圭吾，石田蘭丸，藤井瞬，セットジイヨン，山下真司，田邉孝純
  • Organizer: 第67回応用物理学会春季学術講演会
• [Presentation] 10 nm縦モード間隔を有するEr添加トロイド微小光共振器 (2020)
  • Author(s): 今村陸，長島圭吾，石田蘭丸，田邉孝純
  • Organizer: 第67回応用物理学会春季学術講演会
• [Presentation] WDM通信用光源としての光周波数コムデバイス (2020)
  • Author(s): 大塚民貴，藤井瞬，熊崎基，和田幸四郎，古澤健太郎，関根徳彦，田邉孝純
  • Organizer: 2020年電子情報通信学会総合大会
• [Presentation] Generation of clustered comb with dispersion controlled high-Q crystalline whispering gallery mode microcavity fabricated with mechanical machining (2020)
  • Author(s): T. Tanabe, S. Fujii, and Y. Kakinuma
  • Organizer: The 50th Winter Colloquium on the Physics of Quantum Electronics (PQE-2020)
  • Int'l Joint Research / Invited
• [Presentation] Experimental and numerical demonstration of tunable octave-wide four-wave mixing in dispersion engineered microresonators, (2020)
  • Author(s): S. Fujii and T. Tanabe
  • Organizer: SPIE Photonics West 2020
  • Int'l Joint Research / Invited
• [Presentation] 小型モード同期レーザ開発に向けた可飽和吸収特性とエルビウム添加微小光共振器の作製 (2019)
  • Author(s): 今村陸，鈴木智生，石田蘭丸，藤井瞬，牧英之，ヤン リャン，田邉孝純，
  • Organizer: 電気学会(C部門)光・量子デバイス研究
• [Presentation] 微小光共振器を用いたモード同期レーザにおける数値解析 (2019)
  • Author(s): 今村陸，鈴木智生，藤井瞬，石田蘭丸，田邉 孝純
  • Organizer: 第80回応用物理学会秋季学術講演会
• [Presentation] “Improvement of Q factor and dispersion of crystalline microresonator towards soliton comb generation (2019)
  • Author(s): S. Tanaka, M. Fuchida, S. Fujii, H. Amano, A. Kubota, R. Suzuki, Y. Kakinuma, and T. Tanabe
  • Organizer: The 8th Advances Lasers and Photon Sources Conference (ALPS’19)
  • Int'l Joint Research
• [Presentation] Fabrication of Er-doped microresonator for on-chip mode-locked laser with CNT as saturable absorber (2019)
  • Author(s): R. Imamura, S. Fujii, T. S. L. P. Suzuki, R. Suzuki, R. Ishida, M. Ito, H. Maki, L. Yang, and T. Tanabe
  • Organizer: The 8th Advances Lasers and Photon Sources Conference (ALPS’19)
  • Int'l Joint Research
• [Presentation] Ultrahigh-Q crystalline microresonator fabricated with computer-controlled machining without polishing (2019)
  • Author(s): ujii, M. Fuchida, H. Amano, R. Suzuki, Y. Kakinuma, and T. Tanabe
  • Organizer: CLEO:2019
  • Int'l Joint Research
• [Presentation] Efficient coupling of whispering-gallery-mode silica toroid microcavity to planer silicon platform (2019)
  • Author(s): T. Tanabe
  • Organizer: Optical Nanofibre Applications: From Quantum to Bio Technologies (ONNA 2019)
  • Int'l Joint Research / Invited
• [Presentation] Coupling of mechanical motion with frequency comb and Brillouin lasing in whispering gallery modes (2019)
  • Author(s): T. Tanabe, R. Suzuki, and Y. Honda
  • Organizer: The 41st Photonics & Electromagnetics Research Symposium (PIERS 2019)
  • Int'l Joint Research / Invited
• [Presentation] Towards mode-locking of an active whispering-gallery-mode microresonator (2019)
  • Author(s): T. S. L. P. Suzuki, S. Fujii, R. Ishida, R. Imamura, M. Ito, H. Maki, L. Yang, S. Y. Set, and T. Tanabe
  • Organizer: The 41st Photonics & Electromagnetics Research Symposium (PIERS 2019)
  • Int'l Joint Research
• [Presentation] Saturable absorption with CNT coupled WGM and fabrication of Er-doped microresonator for on-chip mode-locked laser (2019)
  • Author(s): R. Imamura, S. Fujii, T. S. L. P. Suzuki, R. Suzuki, R. Ishida, M. Ito, H. Maki, L. Yang, and T. Tanabe
  • Organizer: Conference on Lasers and Electro-Optics & European Quantum Electronics Conference (CLEO/Europe & EQEC 2019)
  • Int'l Joint Research
• [Presentation] Extremely efficient coupling of silica toroid microresonator to silicon chip with photonic crystal waveguide (2019)
  • Author(s): Y. Zhuang, H. Kumazaki, S. Fujii, and T. Tanabe
  • Organizer: Conference on Lasers and Electro-Optics & European Quantum Electronics Conference (CLEO/Europe & EQEC 2019)
  • Int'l Joint Research
• [Presentation] Precisely dispersion tailored crystalline microresonator with a Q Exceeding 108 fabricated by computer-controlled machining (2019)
  • Author(s): S. Fujii, M. Fuchida, H. Amano, S. Tanaka, R. Suzuki, Y. Kakinuma, and T. Tanabe
  • Organizer: Conference on Lasers and Electro-Optics & European Quantum Electronics Conference (CLEO/Europe & EQEC 2019)
  • Int'l Joint Research
• [Presentation] Dispersion engineering of crystalline microresonator fabricated with computer-controlled diamond turning (2019)
  • Author(s): S. Fuji, Y. Hayama, S. Tanaka, S. Sota, K. Wada, Y. Kakinuma, and T. Tanabe
  • Organizer: OSA Frontiers in Optics and Laser Science APS/DLS (FiO/LS)
  • Int'l Joint Research
• [Presentation] The influence of reverse saturable absorption of SWCNTs on mode locking in a fiber-ring resonator (2019)
  • Author(s): I. Rammaru, T. Suzuki, S. Fujii, and T. Tanabe
  • Organizer: OSA Frontiers in Optics and Laser Science APS/DLS (FiO/LS)
  • Int'l Joint Research
• [Presentation] Broad bandwidth phase-matched four-wave mixing in dispersion-engineered microresonators (2019)
  • Author(s): T. Tanabe
  • Organizer: Asia Communications and Photonics Conference (ACP2019)
  • Int'l Joint Research / Invited
• [Book] On-Chip Photonics (2024)
  • Author(s): T. Tetsumoto, S. Fujii, and T. Tanabe (Ed. Akhlesh Lakhtakia, Alina Karabchevsky, Amol Choudhary)
  • Publisher: Elsevier Press
  • ISBN: 9780323917650
• [Remarks] 田邉フォトニック構造研究室アニュアルレポート
  • URL: https://phot-tanabe.jp/research/annualreports/
• [Remarks] 田邉フォトニック構造研究室アニュアルレポート
  • URL: https://www.phot.elec.keio.ac.jp/jp/annual_report/
• [Remarks] Annual Report
  • URL: https://www.phot.elec.keio.ac.jp/en/annual_report/
• [Remarks] 田邉フォトニック構造研究室アニュアルレポート
  • URL: http://www.phot.elec.keio.ac.jp/ja/annual_report/
• [Remarks] Annual Report
  • URL: http://www.phot.elec.keio.ac.jp/en/annual_report/
• [Patent(Industrial Property Rights)] 電磁波発生装置、及び無線送信装置 (2022)
  • Inventor(s): 田邉孝純，川西悟基，藤井瞬，谷川幸彌，木暮蒼真
  • Industrial Property Rights Holder: 田邉孝純，川西悟基，藤井瞬，谷川幸彌，木暮蒼真
  • Industrial Property Rights Type: 特許
  • Industrial Property Number: 2023-002959
  • Filing Date: 2022