Presentations -

Numerical analysis of the photonic parameter-blinded variational quantum eigensolver

M. Tagami, K. Utsunomiya, H. Shimizu, M. Nagai, and J. Ishi-Hayase, T. Satoh, and M. Takeoka

[International presentation]  Quantum Inovation 2025, 

2025.07

-

2025.08

, 

Poster presentation

Optimization of Sum Frequency Generation by Numerical Analysis of Ultrafast SVEA, including direct physical modeling of quasi phase matching

M. C. Hornauera, Y. Kochia, T. Shojia, S. Kurimura, and J. Ishi-Hayasea

[International presentation]  Quantum Inovation 2025, 

2025.07

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2025.08

, 

Poster presentation

周波数上方変換を用いたInAs量子ドットからのフェムト秒フォトンエコー信号検出

河内 優太，Maximilian Hornauer，栗村 直，赤羽 浩一，早瀬 潤子

[Domestic presentation]  日本学術会議国際光デーシンポジウム, 

2025.07

, 

Poster presentation

Femtosecond Regime Photon Echo Generation from Quantum Dots and Detection via Frequency Up-conversion Technique

Y. Kochi , Y. Takahashi, M. Hornauer, S. Kurimura, K. Akahane and J. Ishi-Hayase,

[International presentation]  The 13th Asia-Pacific Laser Symposium, 

2025.05

, 

Oral presentation (invited, special)

Influence of Substrate Surface Defects on Characteristics of Preferentially-oriented Nitrogen-vacancy Centers inDiamond on {111} Facets Inverted-pyramid-shaped Holes

K. Imuta, Y. Oikawa, R. Suzuki, N. Tokuda, H. Watanabe, J. Ishi-Hayase

[International presentation]  18th International Conference on New Diamon and Nano Carbons, 

2025.05

, 

Poster presentation

Multiplexed Imaging of Temperature and AC Current of a Microcircuit Using RF-dressed States of Electron Spins in Diamond

Y. Itabashi, F. Otsubo, H. Tabuchi, T. Tanaka, Y. Matsuzaki, N. Tokuda, J. Ishi-Hayase

[International presentation]  18th International Conference on New Diamon and Nano Carbons, 

2025.05

, 

Oral presentation (general)

Simple quantum state tomography of single-photon entanglement

J. Yoshimoto, H. Shimizu, K. Tanji, A. Hosaka, J. Ishi-Hayase, T. Horikiri, R. Ikuta, M. Takeoka

[International presentation]  SPIE Photoncs West 2025, 

2025.01

, 

Oral presentation (general)

Femtosecond single photon time-bin detection via up-conversion

M. Hornauer, Y. Kochi, T. Shoji, S. Kurimura, J. Ishi-Hayase

[International presentation]  SPIE Photoncs West 2025, 

2025.01

, 

Oral presentation (general)

Analysis of electron spin double resonance signals in diamond under non-weak excitation considering effect of 14N nuclear spin

R. Suzuki, T. Mikawa, R. Okaniwa, Y. Matsuzaki, N. Tokuda, and J. Ishi-Hayase

[International presentation]  The International Symposium on Quantum Science, Technology and Innovation 2024, 

2024.10

, 

Poster presentation

Simple quantum state tomography of single-photon-based multipartite entanglement

J. Yoshimoto, H. Shimizu, J. Ishi-Hayase, R. Ikuta, M. Takeoka

[International presentation]  The International Symposium on Quantum Science, Technology and Innovation 2024, 

2024.10

, 

Poster presentation

Imaging Micron-Scale Distribution of Amplitude and Phase of AC Magnetic Field around Micro-Circuit with Diamond Quantum Sensor

F. Otsubo, T. Mikawa, Y. Matsuzaki, N. Tokuda and J. Ishi-Hayase

[International presentation]  The International Symposium on Quantum Science, Technology and Innovation 2024, 

2024.10

, 

Poster presentation

Photon echo enhancement from InAs QDs via adiabatic rapid passageand time-resolved measurement using frequency up-conversion

Y. Kochi, Y. Takahashi, S. Kurimura, K. Akahane and J. Ishi-Hayase

[International presentation]  The International Symposium on Quantum Science, Technology and Innovation 2024, 

2024.10

, 

Poster presentation

Ultrafast uniformed quantum manipulation in InAs quantum dot ensemble embedded in optical resonator

Y. Takahashi, Y. Kochi, K. Akahane, J. Ishi Hayase

[International presentation]  The International Symposium on Quantum Science, Technology and Innovation 2024, 

2024.10

, 

Poster presentation

High sensitive multiplexed imaging of AC magnetic field and temperature using RF-dressed states of electron spins in diamond

Y. Itabashi, F. Otsubo, H. Tabuchi, T. Tanaka, Y. Matsuzaki, N. Tokuda, N. Mizuochi and Junko Ishi-Hayase

[International presentation]  The International Symposium on Quantum Science, Technology and Innovation 2024, 

2024.10

, 

Poster presentation

Characterization of preferentially oriented NV centers generated by CVD growth on diamond {111} facets in inverted pyramid-shaped holesCharacterization of preferentially oriented NV centers generated by CVD

K. Imuta, Y. Oikawa, N. Tokuda and J. Ishi-Hayase

[International presentation]  The International Symposium on Quantum Science, Technology and Innovation 2024, 

2024.10

, 

Poster presentation

High frequency AC magnetic field imaging by CW-ODMR measurementof RF-dressed state in scanning diamond probe

K. Okura, S. Komuro, K. Hayashi, T. An , and J. Ishi-Hayase

[International presentation]  The International Symposium on Quantum Science, Technology and Innovation 2024, 

2024.10

, 

Poster presentation

ダイヤモンド量子センサの基礎と応用

早瀬 潤子

[Domestic presentation]  センサエキスポジャパン 2024, 

2024.09

, 

Oral presentation (invited, special)

{111}面逆ピラミッド型ホール上CVD成長で生成した高配向NVセンターの特性評価

伊牟田 航基，及川 耀平，徳田 規，早瀬 潤子

[Domestic presentation]  第85回応用物理学会秋季学術講演会, 

2024.09

, 

Poster presentation

ダイヤモンド量子センサによる交流磁場位相の連続的変化イメージング

大坪 楓季，見川 巧弥，松崎 雄一郎，徳田 規夫，早瀬 潤子

[Domestic presentation]  第85回応用物理学会秋季学術講演会, 

2024.09

, 

Oral presentation (general)

ナノスケール高周波交流磁場イメージングに向けた走査ダイヤモンドNVセンター顕微鏡の開発

大倉 和真，小室 俊太郎，林 都隆，安 東秀，早瀬 潤子

[Domestic presentation]  第85回応用物理学会秋季学術講演会, 

2024.09

, 

Oral presentation (general)