Keio University

Presentations

FUJII Shun

81-100 items (total 142)

Ultrafast time-resolved spectroscopy of spin precession by an asynchronous optical sampling based on a dual-comb system

Speaker
D. Nishikawa, K. Maezawa, S. Fujii, M. Okano, S. Watanabe
Conference Title
[Conference Category International presentation] Conference Title IEEE Intermag 2023 Dates 2023.05.15 - 2023.05.19
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Field demonstration of multi-wavelength optical transmission with microresonator frequency combs

Speaker
K. Tanikawa, S. Fujii, S. Kogure, S. Tanaka, S. Tasaka, K. Wada, H. Kumazaki, S. Kawanishi, T. Tanabe
Conference Title
[Conference Category International presentation] Conference Title 2023 Conference on Lasers and Electro-Optics/Europe - European Quantum Electronics Virtual Conferences (CLEO/Europe-EQEC 2023) Dates 2023.06.26 - 2023.06.30
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Mode-locking System of Coupled Microcavities with Gain and Nonlinear Loss

Speaker
R. Imamura, S. Fujii, A. Nakashima, T. Tanabe
Conference Title
[Conference Category International presentation] Conference Title 2023 Conference on Lasers and Electro-Optics/Europe - European Quantum Electronics Virtual Conferences (CLEO/Europe-EQEC 2023) Dates 2023.06.26 - 2023.06.30
Presentation Format
International presentation
Conference Category
Poster presentation

Assessment of the Feasibility of Employing Chaos Synchronization in Two Cascaded Microresonators for Secure Data Transmission

Speaker
D. Lemcke, D. Moreno, S. Fujii, A. Nakashima, A. Uchida, T. Tanabe
Conference Title
[Conference Category International presentation] Conference Title 2023 Conference on Lasers and Electro-Optics/Europe - European Quantum Electronics Virtual Conferences (CLEO/Europe-EQEC 2023) Dates 2023.06.26 - 2023.06.30
Presentation Format
International presentation
Conference Category
Poster presentation

Generation of 300-GHz Terahertz Waves with Microresonator Frequency Combs

Speaker
K. Tanikawa, S. Fujii, S. Kogure, H. Kumazaki, S. Kawanishi, T. Tanabe
Conference Title
[Conference Category International presentation] Conference Title Progress In Electromagnetics Research Symposium (PIERS2023) Dates 2023.07.03 - 2023.07.06
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Extending Spectral Tunability of Soliton Microcombs in Ultrahigh-Q Microresonators

Speaker
S. Fujii, K. Wada, H. Kumazaki, S. Kogure, T. Tanabe
Conference Title
[Conference Category International presentation] Conference Title Progress In Electromagnetics Research Symposium (PIERS2023) Dates 2023.07.03 - 2023.07.06
Presentation Format
International presentation
Conference Category
Oral presentation (general)

SiN/Si Heterogeneous Integration with Butt-coupling

Speaker
R. Sugano, R. Otake, R. Nishihata, S. Fujii, T. Tanabe
Conference Title
[Conference Category International presentation] Conference Title The 12th Asia-Pacific Laser Symposium (APLS2023) Dates 2023.09.04 - 2023.09.07
Presentation Format
International presentation
Conference Category
Poster presentation

Dispersion engineering of crystalline whispering-gallery microresonators for mid-infrared frequency comb generation

Speaker
R. Takabayashi, S. Fujii, T. Tanabe
Conference Title
[Conference Category International presentation] Conference Title The 12th Asia-Pacific Laser Symposium (APLS2023) Dates 2023.09.04 - 2023.09.07
Presentation Format
International presentation
Conference Category
Poster presentation

Study on the temperature characteristics of prismatic coupling in microcavity

Speaker
T. Yamakawa, Y. Mototani, S. Kimura, Y. Hashimoto, T. Araki, S. Fujii, T. Tanabe
Conference Title
[Conference Category International presentation] Conference Title The 12th Asia-Pacific Laser Symposium (APLS2023) Dates 2023.09.04 - 2023.09.07
Presentation Format
International presentation
Conference Category
Poster presentation

Hybrid silicon all-optical switching devices integrated with two-dimensional materials

Speaker
D. Yamashita, N. Fang, S. Fujii, Y. K. Kato
Conference Title
[Conference Category International presentation] Conference Title JSAP-Optica Joint Symposia Dates 2023.09.19 - 2023.09.23
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Nanocavity induced by atomically thin transition metal dichalcogenide in photonic crystal waveguide

Speaker
C. F. Fong, D. Yamashita, N. Fang, S. Fujii, Y. Chang, T. Taniguchi, K. Watanabe, Y. K. Kato
Conference Title
[Conference Category International presentation] Conference Title JSAP-Optica Joint Symposia Dates 2023.09.19 - 2023.09.23
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Emerging second-order nonlinearity in two-dimensional material functionalized silica microcavities

Speaker
S. Fujii, N. Fang, D. Yamashita, D. Kozawa, C. F. Fong, Y. K. Kato
Conference Title
[Conference Category International presentation] Conference Title 2024 APS March Meeting Dates 2024.03.04 - 2024.03.08
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Nonlinear optics and soliton frequency combs in ultrahigh-Q microresonators

Speaker
S. Fujii
Conference Title
[Conference Category International presentation] Conference Title International Conference on Nano-photonics Nano-Optoelectronics (ICNN 2024) Dates 2024.04.22 - 2024.04.24
Presentation Format
International presentation
Conference Category
Oral presentation (invited, special)

Dispersion engineering of high-Q crystalline microresonators for microcomb generation beyond a telecom C-band

Speaker
R. Takabayashi, H. Kodama, Y. Kakinuma, T. Tanabe, S. Fujii
Conference Title
[Conference Category International presentation] Conference Title The 13th Advanced Lasers and Photon Sources (ALPS2024) Dates 2024.04.22 - 2024.04.26
Presentation Format
International presentation
Conference Category
Poster presentation

Transmission experiment of a 300 GHz wave generated by using a soliton comb

Speaker
M. Imamura, A. Yomoda, K. Tanikawa, S. Kogure, R. Sugano, S. Kawanishi, S. Fujii, T. Tanabe
Conference Title
[Conference Category International presentation] Conference Title The 13th Advanced Lasers and Photon Sources (ALPS2024) Dates 2024.04.22 - 2024.04.26
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Study on Chaos Synchronization of Cascaded Microresonator Optical Frequency Combs

Speaker
D. Lemcke, D. Moreno, S. Fujii, A. Nakashima, A. Uchida, T. Tanabe
Conference Title
[Conference Category International presentation] Conference Title Conference on Lasers and Electro-Optics 2024 (CLEO 2024) Dates 2024.05.05 - 2024.05.10
Presentation Format
International presentation
Conference Category
Poster presentation

Small-error transmission and filter operation at 300 GHz using dissipative Kerr soliton frequency comb

Speaker
A. Yomoda, M. Imamura, K. Tanikawa, S. Kogure, R. Sugano, S. Fujii, S. Kawanishi, T. Tanabe
Conference Title
[Conference Category International presentation] Conference Title Conference on Lasers and Electro-Optics 2024 (CLEO 2024) Dates 2024.05.05 - 2024.05.10
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Vicinity of exceptinal point-induced mode-locking in coupled microresonators

Speaker
R. Imamura, S. Fujii, A. Nakashima, T. Tanabe
Conference Title
[Conference Category International presentation] Conference Title Conference on Lasers and Electro-Optics 2024 (CLEO 2024) Dates 2024.05.05 - 2024.05.10
Presentation Format
International presentation
Conference Category
Oral presentation (general)

All-optical switching based on silicon nanocavities boosted by two-dimensional semiconductors

Speaker
D. Yamashita, N. Fang, S. Fujii, Y. K. Kato
Conference Title
[Conference Category International presentation] Conference Title Conference on Lasers and Electro-Optics 2024 (CLEO 2024) Dates 2024.05.05 - 2024.05.10
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Direct imaging of spatial decay profiles of surface acoustic waves due to magnon-phonon coupling in ferromagnets

Speaker
K. Maezawa, S. Fujii, K. Yamanoi, Y. Nozaki, S. Watanabe
Conference Title
[Conference Category International presentation] Conference Title International Conference on Magnetism Dates 2024.07.05 - 2024.07.05
Presentation Format
International presentation
Conference Category
Oral presentation (general)