Keio University

Presentations

Watanabe, Shinichi

21-40 items (total 259)

デュアルコムサニャック干渉計の波長校正に基づく微小表面振動の高精度測定

Speaker
田中健人, 前澤和来, 渡邉紳一
Conference Title
[Conference Category Domestic presentation] Dates 2025.09.16 - 2025.09.19
Invitation Status
Without
Presentation Format
Domestic presentation
International Co-authorship
No
Conference Category
Poster presentation

位相同期光周波数コム光源を用いた超精密フォノン・マグノン計測

Speaker
渡邉紳一, 前澤和来, 柴田理来
Conference Title
[Conference Category Domestic presentation] Dates 2025.09.16 - 2025.09.19
Invitation Status
Without
Presentation Format
Domestic presentation
International Co-authorship
No
Conference Category
Oral presentation (general)

デュアルコムファイバー型サニャック干渉計による表面弾性波の時間分解二次元イメージング

Speaker
前澤和来, 渡邉紳一
Conference Title
[Conference Category Domestic presentation] Dates 2025.09.16 - 2025.09.19
Invitation Status
Without
Presentation Format
Domestic presentation
International Co-authorship
No

再生増幅器を用いた非同期光サンプリング法によるマグノンとフォノンの長距離・長時間伝搬イメージング

Speaker
柴田理来, 渡邉紳一
Conference Title
[Conference Category Domestic presentation] Dates 2025.09.16 - 2025.09.19
Invitation Status
Without
Presentation Format
Domestic presentation
International Co-authorship
No

再生増幅器と光周波数コムを用いた非同期光サンプリング法の開発

Speaker
柴田 理来、渡邉 紳一
Conference Title
[Conference Category Domestic presentation] Dates 2025.09.07 - 2025.09.10
Invitation Status
Without
Presentation Format
Domestic presentation
International Co-authorship
No

ファイバー型サニャック干渉計を用いた表面弾性波の測定

Speaker
前澤 和来、渡邉 紳一
Conference Title
[Conference Category Domestic presentation] Dates 2025.09.07 - 2025.09.10
Invitation Status
Without
Presentation Format
Domestic presentation
International Co-authorship
No

伝送デュアルコム非同期光サンプリングによる量子ドットダイナミクスのマルチ時間スケール空間マッピング

Speaker
阿讃坊 元、柴田 理来、高橋 雄士朗、赤羽 浩一、渡邉 紳一、早瀬 潤子
Conference Title
[Conference Category Domestic presentation] Dates 2025.09.07 - 2025.09.10
Invitation Status
With
Presentation Format
Domestic presentation
International Co-authorship
No
Conference Category
Oral presentation (invited, special)

Stable dual-comb interferometry without locking of repetition frequencies

Speaker
R. Shibata, S. Fujii, S. Watanabe
Conference Title
[Conference Category International presentation] Conference Title Frontiers in Optics + Laser Science(Venue Colorado Convention Center, Denver, Colorado, USA) Dates 2024.09.23 - 2024.09.26
Invitation Status
Without
Presentation Format
International presentation
Language of Publication
English
International Co-authorship
No
Conference Category
Poster presentation

Frequency-comb based asynchronous optical sampling for rapid optical pump and optical probe experiments

Speaker
S. Watanabe, R. Shibata, K. Maezawa, and S. Fujii
Conference Title
[Conference Category International presentation] Conference Title Q-Basis 2024(Venue Sanken, Osaka University, Japan) Dates 2024.11.11 - 2024.11.14
Invitation Status
Without
Presentation Format
International presentation
Language of Publication
English
International Co-authorship
No
Conference Category
Poster presentation

Spatial Modulation of Exciton Resonance Energy of Monolayer WSe2 under Surface Acoustic Waves

Speaker
T. Yamamoto, Y. Takahashi, K. Maezawa, S. Watanabe, and S. Fujii
Conference Title
[Conference Category International presentation] Conference Title The 68th Fullerenes-Nanotubes-Graphene General Symposium(Venue Meijo University, Japan) Dates 2025.03.03 - 2025.03.05
Invitation Status
Without
Presentation Format
International presentation
Language of Publication
English
International Co-authorship
No
Conference Category
Poster presentation

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

Speaker
K. Maezawa, R. Shibata, S. Fujii, and S. Watanabe
Conference Title
[Conference Category International presentation] Conference Title APS Global Physiscs Summit(Venue Anaheim, CA and virtual) Dates 2025.03.16 - 2025.03.21
Invitation Status
Without
Presentation Format
International presentation
Language of Publication
English
International Co-authorship
No
Conference Category
Poster presentation

磁性体薄膜上における光励起表面弾性波伝搬の時空間分解イメージング

Speaker
前澤和来、柴田理来、藤井瞬、渡邉紳一
Conference Title
[Conference Category Domestic presentation] Dates 2024.09.16 - 2024.09.19
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
International Co-authorship
No
Conference Category
Poster presentation

光ポンプ光プローブ実験の測定時間拡大に向けた再生増幅器と光コムの周波数同期実験

Speaker
柴田 理来、藤井 瞬、渡邉 紳一
Conference Title
[Conference Category Domestic presentation] Dates 2024.09.16 - 2024.09.20
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
International Co-authorship
No
Conference Category
Poster presentation

Time-resolved imaging of photo-excited spin precession on magnetic thin films by the dual-comb based asynchronous optical sampling system

Speaker
K. Maezawa, S. Fujii, S. Watanabe
Conference Title
[Conference Category Domestic presentation] Dates 2024.12.16 - 2024.12.18
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
English
International Co-authorship
No
Conference Category
Poster presentation

レーザー干渉計を用いたフォノン伝搬の可視化とマグノン-フォノン相互作用の研究

Speaker
渡邉 紳一
Conference Title
[Conference Category Domestic presentation] Dates 2025.01.21 - 2025.01.23
Invitation Status
With
Presentation Format
Domestic presentation
Language of Publication
Japanese
International Co-authorship
No
Conference Category
Oral presentation (invited, special)

表面弾性波による単層WSe2の励起子発光特性の動的変調

Speaker
高橋 悠太、山本 拓海、前澤 和来、熊崎 基、渡邉 紳一、藤井 瞬
Conference Title
[Conference Category Domestic presentation] Dates 2025.03.14 - 2025.03.17
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
International Co-authorship
No
Conference Category
Oral presentation (general)

機械駆動型マイクロコムによるデュアルコムの実証

Speaker
村上 達希、和田 幸四郎、木暮 蒼真、高林 諒明、楊 柳、柴田 理来、熊崎 基、渡邉 紳一、石澤 淳、田邉 考純、藤井 瞬
Conference Title
[Conference Category Domestic presentation] Dates 2025.03.14 - 2025.03.17
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
International Co-authorship
No
Conference Category
Oral presentation (general)

デュアルコム非同期光サンプリングによる量子ドット集合体の低温下ポンププローブ信号空間マッピング

Speaker
阿讃坊 元、柴田 理来、高橋 雄士郎、赤羽 浩一、渡邉 紳一、早瀬 潤子
Conference Title
[Conference Category Domestic presentation] Dates 2025.03.14 - 2025.03.17
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
International Co-authorship
No
Conference Category
Oral presentation (general)

フローティング・ゾーン法による反強磁性体Sm0.7Er0.3FeO3単結晶の作成と均一性評価

Speaker
安高 幸佑、生駒 一輝、栗原 貴之、渡邉 紳一
Conference Title
[Conference Category Domestic presentation] Dates 2025.03.18 - 2025.03.21
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
International Co-authorship
No
Conference Category
Poster presentation

Optical frequency comb metrology for spintronic device characterization

Speaker
S. Watanabe, D. Nishikawa
Conference Title
[Conference Category International presentation] Dates 2023.12.11 - 2023.12.16
Invitation Status
Without
Presentation Format
International presentation
Language of Publication
English
International Co-authorship
No
Conference Category
Oral presentation (general)