研究実績
A. 先端量子計測B. 量子情報通信C. 量子物性計測D. 量子デバイス
学術論文
- T. Sato, S. Watanabe, M. Matsuo, and T. Kato
“Fluctuations in Spin Dynamics Excited by Pulsed Light.”
arXiv:2405.10522. - R. Shibata, S. Fujii, and S. Watanabe
“Integer-locking condition for stable dual-comb interferometry in situations with fluctuating frequency-comb repetition rates.”
Opt. Express 32 (10), pp. 17373-17387 (2024). - K. Maezawa, S. Fujii, K. Yamanoi, Y. Nozaki, and S. Watanabe
“Spatiotemporal visualization of a surface acoustic wave coupled to magnons across a submillimeter-long sample by pulsed laser interferometry.”
Phys. Rev. Applied 21 (4), 044047 (2024).
国際会議
- (Poster) R. Shibata, S. Fujii, S. Watanab
“Stable dual-comb interferometry without locking of repetition frequencies”
Frontiers in Optics + Laser Science, Colorado Convention Center, Denver, Colorado, USA, Sep. 23 – 26, 2024 - (Oral) D. Nishikawa, K. Maezawa, R. Shibata, S. Watanabe,
“Photo-induced surface vibration movie with 23,000 frames using dual-comb based asynchronous optical sampling system,”
CLEO-PR , Songdo ConvensiA, Incheon, Korea, Aug. 4-9, 2024. - (Oral) K. Maezawa, S. Fujii, K. Yamanoi, Y. Nozaki, S. Watanabe,
“Direct imaging of spatial decay profiles of surface acoustic waves due to magnon-phonon coupling in ferromagnets,”
International Conference on Magnetism, Bologna, Italy, June 30-July 5, 2024.
国内会議
- (Poster) 前澤和来、柴田理来、藤井瞬、渡邉紳一
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
日本物理学会2024年第79回年次大会 朱鷺メッセ 17-Sep 2024. - (Poster) 柴田 理来、藤井 瞬、渡邉 紳一
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
第85回応用物理学会秋季学術講演会 北海道大学・札幌キャンパス 18-Sep 2024.
学術論文
国際会議
国内会議
学術論文
国際会議
- (Poster) R. Okaniwa, Y. Matsuzaki, T. Mikawa, R. Suzuki, N. Tokuda, J. Ishi-Hayase
AC magnetometry up to sub-GHz using nitrogen-vacancy centers in diamond based on CW-ODMR measurements
34th International Conference on Diamond and Carbon Materials Dresden, Germany 2-Sep 2024. - (Poster) Y. Itabashi, F. Otsubo, H. Tabuchi, T. Tanaka, Y. Matsuzaki, N. Tokuda, N. Mizuochi, J. Ishi-Hayase
Wide-field multiplexed imaging of temperature and AC magnetic fields using RF-dressed states of electron spins in diamond
34th International Conference on Diamond and Carbon Materials Dresden, Germany 2-Sep 2024 - (Oral) F. Otsubo, T. Mikawa, Y. Matsuzaki, N. Tokuda, N. Mizuochi and J. Ishi-Hayase
Detecting Submicron-Scale Continuous Variation in Phase of AC Magnetic Field around Micro-Circuit with Diamond Quantum Sensor
The 16th Pacific Rim Conference on Lasers and Electro-Optics Incheon, Korea 6-Aug 2024 - (Oral) Y. Kochi, Y. Kinoshita, K. Akahane and J. Ishi-Hayase
Femtosecond Photon Echo Generation from Inhomogeneous InAs Quantum Dots by Chirped Pulses
The 16th Pacific Rim Conference on Lasers and Electro-Optics Incheon, Korea 6-Aug 2024 - (Oral) J. Yoshimoto, H. Shimizu, J. Ishi Hayase, I. Rikizo, M. Takeoka
Simple quantum state tomography of single-photon entanglement
Optics & Photonics International Congress 2024 Yokohama, Japan 25-Apr 2024 - (Invited) Y. Kochi, S. Kurimura, K. Akahane, J. Ishi-Hayase
Femtosecond Region Photon Echo with Quantum Dots via up-conersion Single-photon Detector
JSAP-Optica Joint Symposia Niigata, Japan 20-Sep 2024 - (Invited) J. Ishi-Hayase
Multiplexed wide-field imaging of temperature and magnetic field using RF-dressed states of NV centers in diamond
Japan-UK Strategic Partnership Workshop Tokyo, Japan 24-Sep 2024
国内会議
- (Poster) 河内 優太、高橋 雄士朗、栗村 直、赤羽 浩一、早瀬 潤子
広帯域量子メモリーと和周波発生による高時間分解検出 日本学術会議国際光デー記念シンポジウム～量子技術とレーザー科学の最前線～ 日本学術会議講堂 25-Jul 2024 - (Poster) 岡庭 龍聖、松崎 雄一郎、徳田 規夫、渡邊 幸志、水落 憲和、佐々木 健人、小林 研介、早瀬 潤子
日本学術会議国際光デー記念シンポジウム～量子技術とレーザー科学の最前線～ 日本学術会議講堂 25-Jul 2024 - (招待) 早瀬 潤子
ダイヤモンドNV中心の電子スピン多重共鳴を利用した量子センサ 応用電子物性分科会研究例会
「ダイヤモンド量子技術の最前線」 NICTイノベーションセンター 25-Jul 2024 - (Oral) 早瀬 潤子
ダイヤモンドNVセンターにおける電子スピン 多重共鳴
ハイブリッド量子：その後の展開 国立情報学研究所 24-Jun 2024 - (招待) 早瀬 潤子
半導体人工原子を用いた量子技術応用
第 63 回 センサ＆アクチュエータ技術シンポジウム 「もっと光を！！：量子技術で見えてくる新たな世界とその描像」 オンライン 17-May 2024
学術論文
- S. Fujii, N. Fang, D. Yamashita, D. Kozawa, C. F. Fong, Y. K. Kato
van der Waals decoration of ultra-high-Q silica microcavities for χ(2)-χ(3) hybrid nonlinear photonics Nano Lett. 24 4209-4216 2024. - N. Fang, Y. R. Chang, S. Fujii, D. Yamashita, M. Maruyama, Y. Gao, C. F. Fong, D. Kozawa, K. Otsuka, K. Nagashio, S. Okada, and Y. K. Kato
Room-temperature quantum emission from interface excitons in mixed-dimensional heterostructures
Nat. Commun. 15 2871 2024. - S. Fujii, K. Wada, S. Kogure, H. Kumazaki, and T. Tanabe
Mechanically actuated Kerr soliton microcombs
Laser & Photonics Rev. 2301329 2024. - C. F. Fong, D. Yamashita, N. Fang, S. Fujii, Y. -R. Chang, T. Taniguchi, K. Watanabe, and Y. K. Kato
Self-aligned hybrid nanocavities using atomically thin materials
ACS Photonics 11 2247-2254 2024. - R. Imamura, S. Fujii, A. Nakashima, and T. Tanabe
Exceptional point proximity-driven mode-locking in coupled microresonators
Opt. Express 32 22280-22290 2024.
国際会議
- (Oral) R. Takabayashi, H. Kodama, K. Tanikawa, Y. Kakinuma, T.Tanabe, and S. Fujii
Dispersion Engineering of Crystalline Microresonators for Optical Frequency Comb Generation beyond C band
CLEO Pacific Rim 2024 Incheon, Korea 5-Aug 2024. - (Oral) S. Fujii, N. Fang, D. Yamashita, D. Kozawa, C. F. Fong, and Y. K. Kato
Second order Nonlinear Optics in Ultrahigh Q Silica Microcavities Decorated by Two Dimensional Materials
CLEO Pacific Rim 2024 Incheon, Korea 5-Aug 2024. - (Oral) S. Fujii, K. Wada, S. Kogure, H. Kumazaki, and T. Tanabe
Mechanical Actuation of Kerr Soliton Microcombs in Ultrahigh Q Crystalline Microresonators
CLEO Pacific Rim 2024 7-Aug 2024. - (Oral) Y. Takahashi, T. Yamamoto, R. Shibata, H. Kumazaki, S. Watanabe, and S. Fujii
Visible Frequency Comb Generation Based on Spectral Expansion of a Frequency referenced Er fiber Comb
CLEO Pacific Rim 2024 Incheon, Korea 9-Aug 2024.
国内会議
- (招待) 藤井瞬
超⾼Q値単結晶微⼩共振器によるソリトンマイクロコム
第3回超⾼速光エレクトロニクス研究会 千葉工大 22-Aug 2024.
