Keio University

Presentations

FUJII Shun

121-140 items (total 142)

Enhancing tunability and conversion efficiency of Kerr soliton microcombs in crystalline microresonators

Speaker
S. Fujii
Conference Title
[Conference Category International presentation] Conference Title SPIE Photonics West 2025 Dates 2025.01.25 - 2025.01.30
Presentation Format
International presentation
Conference Category
Oral presentation (invited, special)

Sagnac interferometry with proper phase compensation for visualizing surface acoustic wave propagation on magnetic thin film

Speaker
K. Maezawa, R. Shibata, S. Fujii, S. Watanabe
Conference Title
[Conference Category International presentation] Conference Title APS Global Physics Summit Dates 2025.03.16 - 2025.03.21
Presentation Format
International presentation
Conference Category
Poster presentation

Hybrid nanocavity via dielectric environment engineering with 2D materials

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 International Conference on Nano-photonics Nano-Optoelectronics (ICNNQ 2025) Dates 2025.04.21 - 2025.04.23
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Exciton transfer and interface excitons in mixed-dimensional heterostructures

Speaker
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
Conference Title
[Conference Category International presentation] Conference Title International Conference on Nano-photonics Nano-Optoelectronics (ICNNQ 2025) Dates 2025.04.21 - 2025.04.23
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Dynamic modulation of excitons in monolayer WSe2 under surface acoustic waves

Speaker
Y. Takahashi, T. Yamamoto, K. Maezawa, H. Kumazaki, S. Watanabe, S. Fujii
Conference Title
[Conference Category International presentation] Conference Title International Conference on Nanophotonics (ICNNQ 2025) Dates 2025.04.21 - 2025.04.23
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Advantages of Soliton Comb as Light Sources in 300 GHz Terahertz Wave Transmission

Speaker
K. Kawasaki, T. Tanabe, M. Imamura, A. Yomoda, R. Sugano, S. Fujii
Conference Title
[Conference Category International presentation] Conference Title The 14th Advanced Lasers and Photon Sources Conference (ALPS2025) Dates 2025.04.21 - 2025.04.25
Presentation Format
International presentation
Conference Category
Poster presentation

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

Speaker
H. Uemura, T. Tanabe, A. Yomoda, M. Imamura, R. Sugano, S. Fujii
Conference Title
[Conference Category International presentation] Conference Title The 14th Advanced Lasers and Photon Sources Conference (ALPS2025) Dates 2025.04.21 - 2025.04.25
Presentation Format
International presentation
Conference Category
Poster presentation

Dispersion Engineered, Mode-Interaction-Free High-Q Crystalline Microresonators for Soliton Frequency Comb Generation

Speaker
R. Takabayashi, L. Yang, H. Kodama, Y. Kakinuma, T. Tanabe, S. Fujii
Conference Title
[Conference Category International presentation] Conference Title The 14th Advanced Lasers and Photon Sources Conference (ALPS2025) Dates 2025.04.21 - 2025.04.25
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Implementation of a Photonic Filter Using a Soliton Comb for 300 GHz Band Communication

Speaker
M. Imamura, K. Tanikawa, A. Yomoda, R. Sugano, S. Kawanishi, S. Fujii, T. Tanabe
Conference Title
[Conference Category International presentation] Conference Title Conference on Lasers and Electro-Optics 2025 (CLEO 2025) Dates 2025.05.04 - 2025.05.09
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Seamless Conversion of a Photonic Convolution Output to a 300-GHz Wireless Transmitter

Speaker
K. Sato, J. Kokubu, A. Yomoda, S. Kawanishi, R. Sugano, M. Imamura, H. Uemura, S. Fujii, T. Tanabe
Conference Title
[Conference Category International presentation] Conference Title Conference on Lasers and Electro-Optics 2025 (CLEO 2025) Dates 2025.05.04 - 2025.05.09
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Photo-induced thermal effects on the bandgap of monolayer WSe2 integrated with ultrahigh-Q optical microcavities

Speaker
H. Kanzawa, R. Sugano, H. Kumazaki, S. Fujii
Conference Title
[Conference Category International presentation] Conference Title NT’25 25th International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials Dates 2025.06.15 - 2025.06.20
Presentation Format
International presentation
Conference Category
Poster presentation

Visualization of exciton modulation in monolayer WSe2 under dynamic strain

Speaker
Y. Takahashi, T. Yamamoto, K. Maezawa, H. Kumazaki, S. Watanabe, S. Fujii
Conference Title
[Conference Category International presentation] Conference Title NT’25 25th International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials Dates 2025.06.15 - 2025.06.20
Presentation Format
International presentation
Conference Category
Poster presentation

Spatio-temporal visualization of individual phonon and magnon propagation in a magnetic thin film

Speaker
S. Watanabe, D. Nishikawa, K. Maezawa, R. Shibata, S. Fujii
Conference Title
[Conference Category International presentation] Conference Title CLEO/Europe-EQEC 2025 Dates 2025.06.23 - 2025.06.27
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Bypassing the von Neumann Bottleneck via Direct 300-GHz RF Conversion of Optical Computation Results

Speaker
J. Kokubu, K. Sato, A. Yomoda, S. Kawanishi, R. Sugano, M. Imamura, H. Uemura, S. Fujii, T. Tanabe
Conference Title
[Conference Category International presentation] Conference Title CLEO/Europe-EQEC 2025 Dates 2025.06.23 - 2025.06.27
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Intrinsic process for upconversion photoluminescence via K-momentum phonon coupling in carbon nanotubes

Speaker
D. Kozawa, S. Fujii, Y. K. Kato
Conference Title
[Conference Category International presentation] Conference Title NT’25 25th International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials Dates 2025.06.15 - 2025.06.20
Presentation Format
International presentation
Conference Category
Oral presentation (invited, special)

Exciton transfer and interface excitons in mixed-dimensional heterostructures

Speaker
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
Conference Title
[Conference Category International presentation] Conference Title NT’25 25th International Conference on the Science and Applications of Nanotubes and Low-Dimensional Materials Dates 2025.06.15 - 2025.06.20
Presentation Format
International presentation
Conference Category
Oral presentation (keynote)

Room-temperature quantum emission from interface excitons in mixed-dimensional heterostructures

Speaker
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
Conference Title
[Conference Category International presentation] Conference Title 247th Electrochemical Society Meeting Dates 2025.05.18 - 2025.05.22
Presentation Format
International presentation
Conference Category
Oral presentation (invited, special)

Exciton transfer and interface excitons in mixed-dimensional heterostructures

Speaker
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
Conference Title
[Conference Category International presentation] Conference Title 5th International Conference on Emerging Advanced Nanomaterials (ICEAN 2024) Dates 2024.11.04 - 2024.11.08
Presentation Format
International presentation
Conference Category
Oral presentation (invited, special)

Coherent dual-comb and low-noise photonic microwave generation with mechanically actuated soliton microcombs

Speaker
T. Murakami, K. Wada, S. Kogure, R. Takabayashi, L. Yang, R. Shibata, H. Kumazaki, S. Watanabe, A. Ishizawa, T. Tanabe, S. Fujii
Conference Title
[Conference Category International presentation] Conference Title CLEO/Europe-EQEC 2025 Dates 2025.06.23 - 2025.06.27
Presentation Format
International presentation
Conference Category
Oral presentation (general)

Investigating the Mechanism Behind the Formation of a Stable sech2-shaped Raman Comb in a Silica Microtoroid Driven by Continuous-Wave with Specific Dispersion

Speaker
H. Wang, R. Otake, R. Imamura, L. Yang, H. M. S. Fujii, T. Tanabe
Conference Title
[Conference Category International presentation] Conference Title CLEO/Europe-EQEC 2025 Dates 2025.06.23 - 2025.06.27
Presentation Format
International presentation
Conference Category
Oral presentation (general)