研究発表 - 藤井 瞬
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Room-temperature quantum emission from interface excitons in mixed-dimensional heterostructures
N. Fang, Y. R. Chang, S. Fujii, D. Yamashita, M. Maruyama, Y. Gao, C. F. Fong, D. Kozawa, K. Otsuka, K. Nagashio, S. Okada, Y. K. Kato
15th International Conference on Metamaterials (META2025),
2025年07月,口頭発表(招待・特別)
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High-speed photonic convolution with direct 300 GHz wireless output
T. Tanabe, K. Sato, J. Kokubu, A. Yomoda, M. Imamura, S. Fujii
IEEE Summer Topicals Meeting Series,
2025年07月,口頭発表(招待・特別)
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Investigating the Mechanism Behind the Formation of a Stable sech2-shaped Raman Comb in a Silica Microtoroid Driven by Continuous-Wave with Specific Dispersion
H. Wang, R. Otake, R. Imamura, L. Yang, H. M. S. Fujii, T. Tanabe
CLEO/Europe-EQEC 2025,
2025年06月,口頭発表(一般)
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Coherent dual-comb and low-noise photonic microwave generation with mechanically actuated soliton microcombs
T. Murakami, K. Wada, S. Kogure, R. Takabayashi, L. Yang, R. Shibata, H. Kumazaki, S. Watanabe, A. Ishizawa, T. Tanabe, S. Fujii
CLEO/Europe-EQEC 2025,
2025年06月,口頭発表(一般)
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Spatio-temporal visualization of individual phonon and magnon propagation in a magnetic thin film
S. Watanabe, D. Nishikawa, K. Maezawa, R. Shibata, S. Fujii
CLEO/Europe-EQEC 2025,
2025年06月,口頭発表(一般)
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Bypassing the von Neumann Bottleneck via Direct 300-GHz RF Conversion of Optical Computation Results
J. Kokubu, K. Sato, A. Yomoda, S. Kawanishi, R. Sugano, M. Imamura, H. Uemura, S. Fujii, T. Tanabe
CLEO/Europe-EQEC 2025,
2025年06月,口頭発表(一般)
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Exciton transfer and interface excitons in mixed-dimensional heterostructures
N. Fang, Y. R. Chang, S. Fujii, D. Yamashita, M. Maruyama, Y. Gao, C. F. Fong, D. Kozawa, K. Otsuka, K. Nagashio, S. Okada, Y. K. Kato
NT’25 25th International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials,
2025年06月,口頭発表(基調)
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Photo-induced thermal effects on the bandgap of monolayer WSe2 integrated with ultrahigh-Q optical microcavities
H. Kanzawa, R. Sugano, H. Kumazaki, S. Fujii
NT’25 25th International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials,
2025年06月,ポスター発表
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Visualization of exciton modulation in monolayer WSe2 under dynamic strain
Y. Takahashi, T. Yamamoto, K. Maezawa, H. Kumazaki, S. Watanabe, S. Fujii
NT’25 25th International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials,
2025年06月,ポスター発表
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Intrinsic process for upconversion photoluminescence via K-momentum phonon coupling in carbon nanotubes
D. Kozawa, S. Fujii, Y. K. Kato
NT’25 25th International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials,
2025年06月,口頭発表(招待・特別)
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Room-temperature quantum emission from interface excitons in mixed-dimensional heterostructures
N. Fang, Y. R. Chang, S. Fujii, D. Yamashita, M. Maruyama, Y. Gao, C. F. Fong, D. Kozawa, K. Otsuka, K. Nagashio, S. Okada, Y. K. Kato
247th Electrochemical Society Meeting,
2025年05月,口頭発表(招待・特別)
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Seamless Conversion of a Photonic Convolution Output to a 300-GHz Wireless Transmitter
K. Sato, J. Kokubu, A. Yomoda, S. Kawanishi, R. Sugano, M. Imamura, H. Uemura, S. Fujii, T. Tanabe
Conference on Lasers and Electro-Optics 2025 (CLEO 2025),
2025年05月,口頭発表(一般)
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Implementation of a Photonic Filter Using a Soliton Comb for 300 GHz Band Communication
M. Imamura, K. Tanikawa, A. Yomoda, R. Sugano, S. Kawanishi, S. Fujii, T. Tanabe
Conference on Lasers and Electro-Optics 2025 (CLEO 2025),
2025年05月,口頭発表(一般)
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Dispersion Engineered, Mode-Interaction-Free High-Q Crystalline Microresonators for Soliton Frequency Comb Generation
R. Takabayashi, L. Yang, H. Kodama, Y. Kakinuma, T. Tanabe, S. Fujii
The 14th Advanced Lasers and Photon Sources Conference (ALPS2025),
2025年04月,口頭発表(一般)
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Advantages of Soliton Comb as Light Sources in 300 GHz Terahertz Wave Transmission
K. Kawasaki, T. Tanabe, M. Imamura, A. Yomoda, R. Sugano, S. Fujii
The 14th Advanced Lasers and Photon Sources Conference (ALPS2025),
2025年04月,ポスター発表
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Antenna Transmission experiment of a 300GHz wave generated by using a soliton comb
H. Uemura, T. Tanabe, A. Yomoda, M. Imamura, R. Sugano, S. Fujii
The 14th Advanced Lasers and Photon Sources Conference (ALPS2025),
2025年04月,ポスター発表
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Dynamic modulation of excitons in monolayer WSe2 under surface acoustic waves
Y. Takahashi, T. Yamamoto, K. Maezawa, H. Kumazaki, S. Watanabe, S. Fujii
International Conference on Nanophotonics (ICNNQ 2025),
2025年04月,口頭発表(一般)
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Hybrid nanocavity via dielectric environment engineering with 2D materials
C. F. Fong, D. Yamashita, N. Fang, S. Fujii, Y. Chang, T. Taniguchi, K. Watanabe, Y. K. Kato
International Conference on Nano-photonics Nano-Optoelectronics (ICNNQ 2025),
2025年04月,口頭発表(一般)
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Exciton transfer and interface excitons in mixed-dimensional heterostructures
N. Fang, Y. R. Chang, S. Fujii, D. Yamashita, M. Maruyama, Y. Gao, C. F. Fong, D. Kozawa, K. Otsuka, K. Nagashio, S. Okada, Y. K. Kato
International Conference on Nano-photonics Nano-Optoelectronics (ICNNQ 2025),
2025年04月,口頭発表(一般)
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Sagnac interferometry with proper phase compensation for visualizing surface acoustic wave propagation on magnetic thin film
K. Maezawa, R. Shibata, S. Fujii, S. Watanabe
APS Global Physics Summit,
2025年03月,ポスター発表
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Enhancing tunability and conversion efficiency of Kerr soliton microcombs in crystalline microresonators
S. Fujii
SPIE Photonics West 2025 ,
2025年01月,口頭発表(招待・特別)
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Mode-locking in coupled microresonators using exceptional point modulation
T. Tanabe, R. Imamura, S. Fujii
International Workshop on Microcavities and their applications (WOMA24),
2024年11月,口頭発表(招待・特別)
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Frequency-comb based asynchronous optical sampling for rapid optical pump and optical probe experiments
S. Watanabe, R. Shibata, K. Maezawa, S. Fujii
Q-Basis 2024,
2024年11月,ポスター発表
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Exciton transfer and interface excitons in mixed-dimensional heterostructures
N. Fang, Y. R. Chang, S. Fujii, D. Yamashita, M. Maruyama, Y. Gao, C. F. Fong, D. Kozawa, K. Otsuka, K. Nagashio, S. Okada, Y. K. Kato
5th International Conference on Emerging Advanced Nanomaterials (ICEAN 2024),
2024年11月,口頭発表(招待・特別)
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Edge coupler design for SiN/Si butt coupling integration
R. Sugano, R. Otake, R. Nishihata, S. Fujii, T. Tanabe
29th Microoptics Conference (MOC2024),
2024年10月,口頭発表(招待・特別)
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Stable dual-comb interferometry without locking of repetition frequencies
R. Shibata, S. Fujii, S. Watanabe
Frontiers in Optics + Laser Science,
2024年09月,ポスター発表
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Exciton transfer and interface excitons in mixed-dimensional heterostructures
N. Fang, Y. R. Chang, S. Fujii, D. Yamashita, M. Maruyama, Y. Gao, C. F. Fong, D. Kozawa, K. Otsuka, K. Nagashio, S. Okada, Y. K. Kato
JSAP-Optica Joint Symposia,
2024年09月,口頭発表(招待・特別)
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High-repetition-rate soliton frequency combs in ultrahigh-Q microresonators
S. Fujii
JSAP-Optica Joint Symposia 2024 ,
2024年09月,口頭発表(招待・特別)
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Exciton transfer and interface excitons in mixed-dimensional heterostructures
N. Fang, Y. R. Chang, S. Fujii, D. Yamashita, M. Maruyama, Y. Gao, C. F. Fong, D. Kozawa, K. Otsuka, K. Nagashio, S. Okada, Y. K. Kato
9th Workshop on Nanotube Optics and Nanospectroscopy (WONTON 2024),
2024年09月,口頭発表(招待・特別)
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Mode-locking induced by exceptional point proximity in coupled microresonators
T. Tanabe, R. Imamura, S. Fujii
The 16th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2024),
2024年08月,口頭発表(招待・特別)
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Soliton Comb Generation using a Small Prism Coupling Module
Y. Mototani, S. Fujii, S. Kimura, Y. Hashimoto, T. Yamakawa, R. Imamura, T. Tanabe
The 16th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2024),
2024年08月,ポスター発表
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Towards Deterministic Perfect Soliton Crystals in Microtoroids with Saturable Absorption
H. Matsuyama, A. Takano, R. Imamura, H. Wang, S. Fujii, T. Tanabe
The 16th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2024),
2024年08月,ポスター発表
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Mechanical Actuation of Kerr Soliton Microcombs in Ultrahigh-Q Crystalline Microresonators
S. Fujii, K. Wada, S. Kogure, H. Kumazaki, T. Tanabe
The 16th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2024),
2024年08月,口頭発表(一般)
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Transmission in the 300 GHz Band using a Soliton Comb
M. Imamura, A. Yomoda, K. Tanikawa, S. Kogure, R. Sugano, S. Kawanishi, S. Fujii, T. Tanabe
The 16th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2024),
2024年08月,口頭発表(一般)
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Dispersion Engineering of Crystalline Microresonators for Optical Frequency Comb Generation beyond C-band
R. Takabayashi, H. Kodama, K. Tanikawa, Y. Kakinuma, T. Tanabe, S. Fuji
The 16th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2024),
2024年08月,口頭発表(一般)
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Visible frequency comb generation based on spectral expansion of a frequency-referenced Er-fiber comb
Y. Takahashi, T. Yamamoto, R. Shibata, H. Kumazaki, S. Watanabe, S. Fujii
The 16th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR 2024),
2024年08月,口頭発表(一般)
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Second-order Nonlinear Optics in Ultrahigh-Q Silica Microcavities Decorated by Two-Dimensional Materials
S. Fujii, N. Fang, D. Yamashita, D. Kozawa, C. F. Fong, Y. K. Kato
The 16th Pacific Rim Conference on Lasers and Electro-Optics (CLEO-PR),
2024年08月,口頭発表(一般)
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Pulse formation in the Stokes region through dispersion tailoring in silica microresonators
R. Otake, R. Imamura, S. Fujii, T. Tanabe
Nonlinear Photonics (NP2024),
2024年07月-2024年08月,ポスター発表
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Exciton transfer and interface excitons in mixed-dimensional heterostructures
N. Fang, Y. R. Chang, S. Fujii, D. Yamashita, M. Maruyama, Y. Gao, C. F. Fong, D. Kozawa, K. Otsuka, K. Nagashio, S. Okada, Y. K. Kato
Fundamental Optical Processes in Semiconductors (FOPS),
2024年07月,口頭発表(招待・特別)
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Resonant exciton transfer in mixed-dimensional heterostructures for overcoming dimensional restrictions in optical processes
N. Fang, Y. R. Chang, D. Yamashita, S. Fujii, M. Maruyama, Y. Gao, C. F. Fong, K. Otsuka, K. Nagashio, S. Okada, Y. K. Kato
The 14th International Conference on Metamaterials (META2024),
2024年07月,口頭発表(招待・特別)
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Direct imaging of spatial decay profiles of surface acoustic waves due to magnon-phonon coupling in ferromagnets
K. Maezawa, S. Fujii, K. Yamanoi, Y. Nozaki, S. Watanabe
International Conference on Magnetism,
2024年07月,口頭発表(一般)
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Photonic filter in the 300 GHz band with SiN microresonator frequency comb
T. Tanabe, K. Tanikawa, M. Imamura, A. Yomoda, S. Kawanishi, S. Fujii
The 10th International Conference on Antennas and Electromagnetic Systems (AES2024),
2024年06月,口頭発表(招待・特別)
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Resonant Exciton Transfer in Mixed-Dimensional Heterostructures for Overcoming Dimensional Restrictions in Optical Processes
N. Fang, Y. R. Chang, D. Yamashita, S. Fujii, M. Maruyama, Y. Gao, C. F. Fong, K. Otsuka, K. Nagashio, S. Okada, Y. K. Kato
245th Electrochemical Society Meeting,
2024年05月,口頭発表(招待・特別)
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All-optical switching based on silicon nanocavities boosted by two-dimensional semiconductors
D. Yamashita, N. Fang, S. Fujii, Y. K. Kato
Conference on Lasers and Electro-Optics 2024 (CLEO 2024),
2024年05月,口頭発表(一般)
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Vicinity of exceptinal point-induced mode-locking in coupled microresonators
R. Imamura, S. Fujii, A. Nakashima, T. Tanabe
Conference on Lasers and Electro-Optics 2024 (CLEO 2024),
2024年05月,口頭発表(一般)
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Small-error transmission and filter operation at 300 GHz using dissipative Kerr soliton frequency comb
A. Yomoda, M. Imamura, K. Tanikawa, S. Kogure, R. Sugano, S. Fujii, S. Kawanishi, T. Tanabe
Conference on Lasers and Electro-Optics 2024 (CLEO 2024),
2024年05月,口頭発表(一般)
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Study on Chaos Synchronization of Cascaded Microresonator Optical Frequency Combs
D. Lemcke, D. Moreno, S. Fujii, A. Nakashima, A. Uchida, T. Tanabe
Conference on Lasers and Electro-Optics 2024 (CLEO 2024),
2024年05月,ポスター発表
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Transmission experiment of a 300 GHz wave generated by using a soliton comb
M. Imamura, A. Yomoda, K. Tanikawa, S. Kogure, R. Sugano, S. Kawanishi, S. Fujii, T. Tanabe
The 13th Advanced Lasers and Photon Sources (ALPS2024),
2024年04月,口頭発表(一般)
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Dispersion engineering of high-Q crystalline microresonators for microcomb generation beyond a telecom C-band
R. Takabayashi, H. Kodama, Y. Kakinuma, T. Tanabe, S. Fujii
The 13th Advanced Lasers and Photon Sources (ALPS2024),
2024年04月,ポスター発表
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Nonlinear optics and soliton frequency combs in ultrahigh-Q microresonators
S. Fujii
International Conference on Nano-photonics Nano-Optoelectronics (ICNN 2024),
2024年04月,口頭発表(招待・特別)
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Emerging second-order nonlinearity in two-dimensional material functionalized silica microcavities
S. Fujii, N. Fang, D. Yamashita, D. Kozawa, C. F. Fong, Y. K. Kato
2024 APS March Meeting,
2024年03月,口頭発表(一般)
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Nanocavity induced by atomically thin transition metal dichalcogenide in photonic crystal waveguide
C. F. Fong, D. Yamashita, N. Fang, S. Fujii, Y. Chang, T. Taniguchi, K. Watanabe, Y. K. Kato
JSAP-Optica Joint Symposia,
2023年09月,口頭発表(一般)
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Hybrid silicon all-optical switching devices integrated with two-dimensional materials
D. Yamashita, N. Fang, S. Fujii, Y. K. Kato
JSAP-Optica Joint Symposia,
2023年09月,口頭発表(一般)
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Study on the temperature characteristics of prismatic coupling in microcavity
T. Yamakawa, Y. Mototani, S. Kimura, Y. Hashimoto, T. Araki, S. Fujii, T. Tanabe
The 12th Asia-Pacific Laser Symposium (APLS2023),
2023年09月,ポスター発表
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SiN/Si Heterogeneous Integration with Butt-coupling
R. Sugano, R. Otake, R. Nishihata, S. Fujii, T. Tanabe
The 12th Asia-Pacific Laser Symposium (APLS2023),
2023年09月,ポスター発表
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Dispersion engineering of crystalline whispering-gallery microresonators for mid-infrared frequency comb generation
R. Takabayashi, S. Fujii, T. Tanabe
The 12th Asia-Pacific Laser Symposium (APLS2023),
2023年09月,ポスター発表
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Extending Spectral Tunability of Soliton Microcombs in Ultrahigh-Q Microresonators
S. Fujii, K. Wada, H. Kumazaki, S. Kogure, T. Tanabe
Progress In Electromagnetics Research Symposium (PIERS2023),
2023年07月,口頭発表(一般)
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Generation of 300-GHz Terahertz Waves with Microresonator Frequency Combs
K. Tanikawa, S. Fujii, S. Kogure, H. Kumazaki, S. Kawanishi, T. Tanabe
Progress In Electromagnetics Research Symposium (PIERS2023),
2023年07月,口頭発表(一般)
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Assessment of the Feasibility of Employing Chaos Synchronization in Two Cascaded Microresonators for Secure Data Transmission
D. Lemcke, D. Moreno, S. Fujii, A. Nakashima, A. Uchida, T. Tanabe
2023 Conference on Lasers and Electro-Optics/Europe - European Quantum Electronics Virtual Conferences (CLEO/Europe-EQEC 2023),
2023年06月,ポスター発表
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Mode-locking System of Coupled Microcavities with Gain and Nonlinear Loss
R. Imamura, S. Fujii, A. Nakashima, T. Tanabe
2023 Conference on Lasers and Electro-Optics/Europe - European Quantum Electronics Virtual Conferences (CLEO/Europe-EQEC 2023),
2023年06月,ポスター発表
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Field demonstration of multi-wavelength optical transmission with microresonator frequency combs
K. Tanikawa, S. Fujii, S. Kogure, S. Tanaka, S. Tasaka, K. Wada, H. Kumazaki, S. Kawanishi, T. Tanabe
2023 Conference on Lasers and Electro-Optics/Europe - European Quantum Electronics Virtual Conferences (CLEO/Europe-EQEC 2023),
2023年06月,口頭発表(一般)
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Ultrafast time-resolved spectroscopy of spin precession by an asynchronous optical sampling based on a dual-comb system
D. Nishikawa, K. Maezawa, S. Fujii, M. Okano, S. Watanabe
IEEE Intermag 2023,
2023年05月,口頭発表(一般)
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Optical Profiling of Surface-Acoustic-Wave Absorption due to Elastically Driven Ferromagnetic Resonance in Nickel
K. Maezawa, S. Fujii, K. Yamanoi, Y. Nozaki, S. Watanabe
IEEE Intermag 2023,
2023年05月,口頭発表(一般)
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Field Demonstration of Low-Latency Massively Parallel Communication with Microresonator Frequency Comb
K. Tanikawa, S. Fujii, S. Tanaka, S. Tasaka, K. Wada, S. Kogure, H. Kumazaki, S. Kawanishi, T. Tanabe
Conference on Lasers and Electro-Optics 2023 (CLEO 2023),
2023年05月,口頭発表(一般)
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Passive Mode-Locking Without a Saturable Absorber Using a Coupled Microresonator
R. Imamura, S. Fujii, A. Nakashima, T. Tanabe
Conference on Lasers and Electro-Optics 2023 (CLEO 2023),
2023年05月,ポスター発表
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Finite element calculation of surface acoustic waves propagating in piezoelectric lithium niobate substrates for quantitative amplitude estimation
M. Takanawa, S. Fujii, S. Watanabe
The 12th Advanced Lasers and Photon Sources Conference (ALPS2023),
2023年04月,ポスター発表
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Generation of 300-GHz Terahertz Waves with Dissipative Kerr Soliton Microresonator Frequency Combs
K. Tanikawa, S. Kogure, S. Fujii, H. Kumazaki, S. Kawanishi, T. Tanabe
The 12th Advanced Lasers and Photon Sources (ALPS2023),
2023年04月,口頭発表(一般)
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Numerical analysis of mode-locked regime in a coupled microresonator system
R. Imamura, S. Fujii, A. Nakashima, T. Tanabe
The 12th Advanced Lasers and Photon Sources (ALPS2023),
2023年04月,口頭発表(一般)
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Evaluation of chaos synchronization in two cascaded microresonators
D. Lemcke, D. Moreno, S. Fujii, A. Nakashima, A. Uchida, T. Tanabe
The 12th Advanced Lasers and Photon Sources (ALPS2023),
2023年04月,ポスター発表
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Graphene transfer on a microsphere cavity for ultra-compact mode-locked laser
A. Takano, Ayata, Nakashima, R. Imamura, S. Fujii, T. Tanabe
The 12th Advanced Lasers and Photon Sources (ALPS2023),
2023年04月,ポスター発表
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Development of sub-Gigahertz Laser Vibrometer using Ultrashort Pulsed Laser with Frequency Synchronization
R. Shibata, K. Maezawa, S. Fujii, S. Watanabe
The 12th Advanced Lasers and Photon Sources Conference (ALPS2023),
2023年04月,口頭発表(一般)
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Synchronization of microresonator frequency combs in chaotic regime
D. Moreno, S. Fujii, A. Nakashima, A. Uchida, P. Sanchis, T. Tanabe
SPIE Photonics West 2023,
2023年02月,口頭発表(一般)
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Quantization of mode shifts in nanocavities integrated with atomically thin sheets
D. Yamashita, N. Fang, S. Fujii, K. Otsuka, T. Taniguchi, K. Watanabe, K. Nagashio, Y. K. Kato
JSAP-Optica Joint Symposia,
2022年09月,口頭発表(一般)
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Effect of detuning on noise characteristics in a microcomb-based light source
S. Kogure, S. Fujii, H. Kumazaki, S. Sota, Y. Hashimoto, Y. Kobayashi, T. Araki, T. Tanabe
Conference on Lasers and Electro-Optics Pacific Rim 2022 (CLEO-PR 2022),
2022年07月-2022年08月,口頭発表(一般)
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Mode-locked Operation in a Coupled Microresonator System with Gain and Nonlinear Loss
R. Imamura, Y. Tate, A. Nakashima, K. Nagashima, S. Fujii, T. Tanabe
Conference on Lasers and Electro-Optics Pacific Rim 2022 (CLEO-PR 2022),
2022年07月-2022年08月,口頭発表(一般)
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FEC-free dense WDM transmission with Kerr soliton microcombs in crystalline MgF2 microresonators
K. Tanikawa, S. Tasaka, S. Fujii, S. Tanaka, H. Kumazaki, K. Wada, S. Kogure, S. Kawanishi, T. Tanabe
Conference on Lasers and Electro-Optics Pacific Rim 2022 (CLEO-PR 2022),
2022年07月-2022年08月,口頭発表(一般)
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Experimental investigation of Raman comb formation and stability in a silica microrod resonator
S. Sugawara, S. Fujii, H. Kumazaki, S. Sota, T. Tanabe
Nonlinear Photonics (NP 2022),
2022年07月,口頭発表(一般)
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Integrated microresonator frequency comb source for massive-parallel optical communication
T. Tanabe, S. Kogure, S. Fujii
8th International Conference on Antennas and Electromagnetic Systems (AES 2022),
2022年05月,口頭発表(招待・特別)
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Active Thermal Tuning of a Soliton Frequency Comb in a Crystalline Optical Microresonator
S. Fujii, K. Wada, S. Kogure, H. Kumazaki, T. Tanabe
Conference on Lasers and Electro-Optics 2022 (CLEO 2022),
2022年05月,ポスター発表
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FEC-free optical data transmission with a chip-integrated microresonator frequency comb source
S. Kogure, T. Ohtsuka, S. Fujii, H. Kumazaki, S. Tanaka, Y. Hashimoto, Y. Kobayashi, T. Araki, K. Furusawa, N. Sekine, T. Tanabe
Conference on Lasers and Electro-Optics 2022 (CLEO 2022),
2022年05月,口頭発表(一般)
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Deterministic Generation of Perfect Soliton Crystal Assisted by Saturable Absorption
A. Nakashima, S. Fujii, R. Imamura, K. Nagashima, T. Tanabe
Conference on Lasers and Electro-Optics 2022 (CLEO 2022),
2022年05月,口頭発表(一般)
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Stability and mutual coherence measurement of Raman microcomb in a silica WGM microresonator
S. Sugawara, S. Fujii, S. Sota, T. Tanabe
Conference on Lasers and Electro-Optics 2022 (CLEO 2022),
2022年05月,口頭発表(一般)
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Microresonator Frequency Combs Generated by MgF2 Crystalline Microresonator and SiN Microring for Telecom Applications
T. Tanabe, S. Fujii, S. Kogure, S. Kawanishi
The 43rd Photonics and Electromagnetics Research Symposium (PIERS 2021),
2022年04月,口頭発表(招待・特別)
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Microresonator frequency comb for wavelength division multiplexing communications at 20-GHz channel spacing
K. Tanikawa, S. Tasaka, K. Wada, S. Kogure, S. Tanaka, S. Fujii, H. Kumazaki, S. Kawanishi, T. Tanabe
The 11th Advanced Lasers and Photon Sources (ALPS2022),
2022年04月,口頭発表(一般)
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Systematic microresonator dispersion engineering for frequency comb generation
S. Fujii
The 11th Advanced Lasers and Photon Sources (ALPS2022),
2022年04月,口頭発表(招待・特別)
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Stability measurements of microresonator Raman combs
S. Sugawara, S. Fujii, H. Kumazaki, S. Sota, T. Tanabe
The 11th Advanced Lasers and Photon Sources (ALPS2022),
2022年04月,口頭発表(一般)
-
Detuning dependence of beat noise in a microresonator frequency comb source
S. Kogure, S. Fujii, H. Kumazaki, S. Sota, Y. Hashimoto, Y. Kobayashi, T. Araki, T. Tanabe
The 11th Advanced Lasers and Photon Sources (ALPS2022),
2022年04月,口頭発表(一般)
-
Optical transmission using Stokes light
S. Sugawara, S. Tanaka, S. Fujii, H. Kumazaki, S. Tasaka, S. Kawanishi, T. Tanabe
International Symposium on Novel maTerials and quantum Technologies (ISNTT2021),
2021年12月,口頭発表(一般)
-
Comparison of microcomb-based light sources for optical data transmission
S. Kogure, T. Ohtsuka, S. Fujii, H. Kumazaki, K. Wada, Y. Hashimoto, Y. Kobayashi, T. Araki, K. Furusawa, N. Sekine, T. Tanabe
Frontiers in Optics + Laser Science (FiO/LS 2021),
2021年11月,口頭発表(一般)
-
Design of a Passively Mode-locked Microlaser with an Er-doped Microcavity and Carbon Nanotubes
R. Imamura, A. Nakashima, K. Nagashima, T. S. L. P. Suzuki, R. Ishida, S. Fujii, T. Tanabe
Conference on Lasers and Electro-Optics European Quantum Electronics Conference (CLEO/Europe EQEC 2021),
2021年06月,口頭発表(一般)
-
Optical Data Transmission with a Dissipative Kerr Soliton in an Ultrahigh Q MgF2 Microresonator
S. Tanaka, S. Fujii, K. Wada, H. Kumazaki, S. Kogure, S. Tasaka, T. Ohtsuka, S. Kawanishi, T. Tanabe
Conference on Lasers and Electro-Optics European Quantum Electronics Conference (CLEO/Europe EQEC 2021),
2021年06月,口頭発表(一般)
-
Stable formation of multiple solitons in an optical microresonator assisted by saturable absorption
A. Nakashima, S. Fujii, R. Imamura, K. Nagashima, T. Tanabe
Conference on Laser Electro-Optics: 2021 (CLEO2021),
2021年05月,口頭発表(一般)
-
Optical data transmission with a microresonator-based comb source
S. Kogure, T. Ohtsuka, S. Fujii, H. Kumazaki, K. Wada, Y. Hashimoto, Y. Kobayashi, T. Araki, K. Furusawa, N. Sekine, T. Tanabe
International Conference on Nano-photonics and Nano-optoelectronics (ICNN2021),
2021年04月,口頭発表(一般)
-
Saturable absorption of CNT/PDMS coated high-Q microcavity
A. Nakashima, S. Fujii, R. Imamura, K. Nagashima, T. Tanabe
The 10th Advanced Lasers and Photon Sources (ALPS2021),
2021年04月,口頭発表(一般)
-
Raman-comb-based wavelength source for optical communication
S. Sugawara, S. Tanaka, K. Wada, S. Fujii, H. Kumazaki, S. Tasaka, S. Sota, T. Ohtsuka, S. Kawanishi, T. Tanabe
The 10th Advanced Lasers and Photon Sources (ALPS2021),
2021年04月,口頭発表(一般)
-
Optical data transmission with a dissipative Kerr soliton in an ultrahigh-Q MgF2 microresonator
S. Tanaka, S. Fujii, K. Wada, H. Kumazaki, S. Kogure, S. Tasaka, T. Ohtsuka, S. Kawanishi, T. Tanabe
The 10th Advanced Lasers and Photon Sources (ALPS2021),
2021年04月,ポスター発表
-
Fabrication of dispersion engineered ultrahigh-Q crystalline optical microresonator for broad-bandwidth optical parametric oscillation
S. Fujii, K. Wada, Y. Kakinuma, T. Tanabe
SPIE Photonics West 2021,
2021年02月,口頭発表(招待・特別)
-
Dispersion controlled crystalline high-Q microresonator for broad bandwidth optical parametric oscillation and soliton generation
S. Fujii, Y. Hayama, Y. Kakinuma, T. Tanabe
Optics & Photonics Japan 2020 (OPJ2020) OSJ-OSA-OSK Joint Symposia on Optics,
2020年11月,口頭発表(招待・特別)
-
Coupling of Whispering Gallery Mode with Silicon Photonic Crystal
K. Yube, H. Kumazaki, Y. Zhuang, S. Fujii, R. Imamura, R. Ishida, T. Tanabe
Conference on Laser Electro-Optics: 2020 (CLEO2020),
2020年05月,口頭発表(一般)
-
Generation of Kerr frequency comb aligned with ITU-T DWDM grid for telecom applications
T. Ohtsuka, S. Fujii, H. Kumazaki, K. Wada, K. Furusawa, N. Sekine, T. Tanabe
Conference on Laser Electro-Optics: 2020 (CLEO2020),
2020年05月,ポスター発表
-
Efficient Kerr comb generation aligned with ITU-T grid for DWDM telecom applications
K. Wada, S. Fujii, H. Kumazaki, T. Ohtsuka, S. Sota, S. Kawanishi, T. Tanabe
Conference on Laser Electro-Optics: 2020 (CLEO2020),
2020年05月,ポスター発表
-
Study on broadband Raman comb generation in silica rod microresonators
S. Sota, S. Fujii, H. Kumazaki, T. Ohtsuka, R. Suzuki, T. Tanabe
The 9th Advanced Lasers and Photon Sources (ALPS2020),
2020年04月,口頭発表(一般)
-
Kerr frequency comb aligned with ITU-T grid for DWDM telecom applications in crystalline microresonators
K. Wada, S. Fujii, H. Kumazaki, T. Ohtsuka, S. Sota, S. Kawanishi, Y. Hashimoto, Y. Kobayashi, T. Araki, T. Tanabe
The 9th Advanced Lasers and Photon Sources (ALPS2020),
2020年04月,口頭発表(一般)
-
Saturable absorption of CNT/PDMS coated high-Q microcavity
K. Nagashima, R. Ishida, R. Imamura, S. Fujii, S. Y. Set, S. Yamashita, T. Tanabe
The 9th Advanced Lasers and Photon Sources (ALPS2020),
2020年04月,口頭発表(一般)
-
Experimental and numerical demonstration of tunable octave-wide four-wave mixing in dispersion engineered microresonators
S. Fujii, T. Tanabe
SPIE Photonics West 2020,
2020年02月,口頭発表(招待・特別)
-
Generation of clustered comb with dispersion controlled high-Q crystalline whispering gallery mode microcavity fabricated with mechanical machining
T. Tanabe, S. Fujii, Y. Kakinuma
The 50th Winter Colloquium on the Physics of Quantum Electronics (PQE-2020),
2020年01月,口頭発表(招待・特別)
-
The influence of reverse saturable absorption of SWCNTs on mode locking in a fiber-ring resonator
I. Rammaru, T. Suzuki, S. Fujii, T. Tanabe
OSA Frontiers in Optics and Laser Science APS/DLS (FiO/LS),
2019年09月,ポスター発表
-
Silica toroid microcavity coupled to silicon photonic chip
H. Kumazaki, Y. Zhuang, S. Fujii, K. Yube, T. Tanabe
OSA Frontiers in Optics and Laser Science APS/DLS (FiO/LS),
2019年09月,ポスター発表
-
Dispersion engineering of crystalline microresonator fabricated with computer-controlled diamond turning
S. Fujii, Y. Hayama, S. Tanaka, S. Sota, K. Wada, Y. Kakinuma, T. Tanabe
OSA Frontiers in Optics and Laser Science APS/DLS (FiO/LS),
2019年09月,口頭発表(一般)
-
Precisely dispersion tailored crystalline microresonator with a Q Exceeding 10^8 fabricated by computer-controlled machining
S. Fujii, M. Fuchida, H. Amano, S. Tanaka, R. Suzuki, Y. Kakinuma, T. Tanabe
Conference on Lasers and Electro-Optics European Quantum Electronics Conference (CLEO/Europe EQEC 2019),
2019年06月,口頭発表(一般)
-
Saturable absorption with CNT coupled WGM and fabrication of Er-doped microresonator for on-chip mode-locked laser
R. Imamura, S. Fujii, T. S. L. P. Suzuki, R. Suzuki, R. Ishida, M. Ito, H. Maki, L. Yang, T. Tanabe
Conference on Lasers and Electro-Optics European Quantum Electronics Conference (CLEO/Europe EQEC 2019),
2019年06月,口頭発表(一般)
-
Extremely efficient coupling of silica toroid microresonator to silicon chip with photonic crystal waveguide
Y. Zhuang, H. Kumazaki, S. Fujii, T. Tanabe
Conference on Lasers and Electro-Optics European Quantum Electronics Conference (CLEO/Europe EQEC 2019),
2019年06月,口頭発表(一般)
-
Towards mode-locking of an active whispering-gallery-mode microresonator
T. S. L. P. Suzuki, S. Fujii, R. Ishida, R. Imamura, M. Ito, H. Maki, L. Yang, S. Y. Set, T. Tanabe
The 41st Photonics & Electromagnetics Research Symposium (PIERS 2019),
2019年06月,口頭発表(一般)
-
Ultrahigh-Q crystalline microresonator fabricated with computer-controlled machining without polishing
S. Fujii, M. Fuchida, H. Amano, R. Suzuki, Y. Kakinuma, T. Tanabe
Conference on Laser Electro-Optics: 2019 (CLEO2019),
2019年05月,口頭発表(一般)
-
Fabrication of Er-doped microresonator for on-chip mode-locked laser with CNT as saturable absorber
R. Imamura, S. Fujii, T. S. L. P. Suzuki, R. Suzuki, R. Ishida, M. Ito, H. Maki, L. Yang, T. Tanabe
The 8th Advances Lasers and Photon Sources Conference (ALPS’19),
2019年04月,口頭発表(一般)
-
Improvement of Q factor and dispersion of crystalline microresonator towards soliton comb generation
S. Tanaka, M. Fuchida, S. Fujii, H. Amano, A. Kubota, R. Suzuki, Y. Kakinuma, T. Tanabe
The 8th Advances Lasers and Photon Sources Conference (ALPS’19),
2019年04月,ポスター発表
-
Kerr comb generation in a mode coupled system
T. Tanabe, R. Suzuki, S. Fujii
SPIE Photonics West 2019,
2019年02月,口頭発表(招待・特別)
-
Microcavity based laser sources: Microresonator frequency comb and Brillouin lasing
T. Tanabe, S. Fujii, R. Suzuki, Y. Honda
23rd Microoptics Conference (MOC2018),
2018年10月,口頭発表(招待・特別)
-
Soliton trapping in a Kerr microresonator with orthogonally polarized dual-pumping
R. Suzuki, S. Fujii, A. Hori, T. Tanabe
Conference on Lasers and Electro-Optics Pacific Rim 2018,
2018年08月,口頭発表(一般)
-
Kerr comb generation under weak dispersion regime in high-Q silica microtoroids
S. Fujii, R. Suzuki, M. Hasegawa, T. Tanabe
Conference on Lasers and Electro-Optics Pacific Rim 2018,
2018年08月,口頭発表(一般)
-
Frequency comb and Brillouin lasing in optical microcavities
T. Tanabe, R. Suzuki, Y. Honda, S. Fujii
Asia Pacific Laser Symposium (APLS),
2018年05月,口頭発表(招待・特別)
-
Raman comb generation through broadband gain in a silica microresonator
R. Suzuki, A. Kubota, A. Hori, S. Fujii, T. Tanabe
Conference on Laser Electro-Optics: 2018 (CLEO2018),
2018年05月,口頭発表(一般)
-
Nonlinear Parametric Oscillation Phase-matched via High-order Dispersion in High-Q Silica Toroid Microresonators
S. Fujii, M. Hasegawa, R. Suzuki, T. Tanabe
The 7th Advances Lasers and Photon Sources Conference (ALPS’18),
2018年04月,口頭発表(一般)
-
Raman Comb Formation in Silica Rod Microresonator
R. Suzuki, A. Kubota, S. Fujii, A. Hori, T. Kato, and T. Tanabe
Frontiers in Optics/Laser Science Conference (FiO/LS),
2017年09月,ポスター発表
-
Nonlinear coupled mode equations for Kerr comb generation in coupled microcavity system
S. Fujii, Y. Okabe, T. Kato, R. Suzuki, A. Hori, T. Tanabe
Frontiers in Optics/Laser Science Conference (FiO/LS),
2017年09月,ポスター発表
-
Highly sensitive ammonia gas detection with a silica toroid microcavity packaged in a box
T. Okamura, M. Kobayashi, S. Fujii, T. Tanabe
Frontiers in Optics/Laser Science Conference (FiO/LS),
2017年09月,ポスター発表
-
Numerical simulation of dark soliton generation in coupled microcavity system
S. Fujii, Y. Okabe, T. Kato, R. Suzuki, Y. Honda, A. Hori, T. Tanabe
The 24th Congress of the International Commissions for Optics (ICO-24),
2017年08月,口頭発表(一般)
-
Interaction of transverse modes via stimulated Raman scattering on comb generation in a silica toroid Microcavity
A. Hori, T. Kato, R. Suzuki, S. Fujii, T. Kobatake, and T. Tanabe
Conference on Lasers and Electro-Optics European Quantum Electronics Conference (CLEO/Europe EQEC 2017),
2017年06月,ポスター発表
-
Third-harmonic generation with Kerr frequency comb in silica rod microcavity
A. Kubota, R. Suzuki, S. Fujii, T. Tanabe
Conference on Lasers and Electro-Optics European Quantum Electronics Conference (CLEO/Europe EQEC 2017),
2017年06月,口頭発表(一般)
-
Brillouin lasing in coupled silica toroid microcavities
Y. Honda, W. Yoshiki, T. Tetsumoto, S. Fujii, K. Furusawa, N. Sekine, and T. Tanabe
Conference on Lasers and Electro-Optics European Quantum Electronics Conference (CLEO/Europe EQEC 2017),
2017年06月,口頭発表(一般)
-
Broad bandwidth visible light generation via third-order nonlinear interaction in silica toroid microcavity
S. Fujii, T. Kato, A. Chen-Jinnai, R. Suzuki, and T. Tanabe
The 6th Advances Lasers and Photon Sources Conference (ALPS’17),
2017年04月,ポスター発表
-
Tuning supermode splitting for stimulated Brillouin scattering
Y. Honda, W. Yoshiki, T. Tetsumoto, S. Fujii, K. Furusawa, N. Sekine, and T. Tanabe
The 6th Advances Lasers and Photon Sources Conference (ALPS’17),
2017年04月,口頭発表(一般)
-
Effect of Raman scattering and mode coupling in Kerr comb generation in a silica whispering gallery mode microcavity
T. Tanabe, T. Kato, S. Fujii, R. Suzuki, and A. Hori
SPIE Photonics West,
2017年01月-2017年02月,口頭発表(招待・特別)
-
Numerical modeling of the generation of a Kerr comb in a coupled cavity system using coupled mode equations
Y. Okabe, T. Kato, S. Fujii, R. Suzuki, T. Tanabe
Frontiers in Optics/Laser Science Conference (FiO/LS),
2016年10月,ポスター発表
-
Blue light emission via harmonic generation by stimulated Raman scattering in a silica toroid microcavity
S. Fujii, T. Kato, A. Hori, Y. Okabe, A. Kubota, T. Tanabe
Frontiers in Optics/Laser Science Conference (FiO/LS),
2016年10月,口頭発表(一般)
-
Kerr comb generation in a whispering gallery mode microcavity: The effect of mode coupling
T. Tanabe, T. Kato, R. Suzuki, and S. Fujii
Progress In Electromagnetics Research Symposium (PIERS2016),
2016年08月,口頭発表(招待・特別)
-
Broadband visible comb generation via third harmonic generation assisted by stimulated Raman scattering
T. Kato, A. C.-Jinnai, S. Fujii, and T. Tanabe
Conference on Laser Electro-Optics: 2016 (CLEO2016),
2016年06月,口頭発表(一般)
-
The effect on Kerr comb generation in mode coupled WGM microcavity
S. Fujii, Y. Okabe, W. Yoshiki, T. Kato, A. C. Jinnai, T. Kobatake, and T. Tanabe
Conference on Laser Electro-Optics: 2016 (CLEO2016),
2016年06月,口頭発表(一般)
-
Effects with Kerr comb in silica toroid microcavity: Raman scattering and third harmonic generation
R. Suzuki, T. Kato, A. Chen-Jinnai, T. Kobatake, S. Fujii, and T. Tanabe
The 5th Advances Lasers and Photon Sources Conference (ALPS’16),
2016年05月,口頭発表(一般)
-
Time-domain observation of strong coupling between counter-propagating ultra-high Q whispering gallery modes
W. Yoshiki, A. C.-Jinnai, T. Tetsumoto, S. Fujii, and T. Tanabe
SPIE Photonics West,
2016年02月,口頭発表(一般)