Rchr
J-GLOBAL ID:201801004683676814   Update date: Apr. 02, 2024

Tawara Takehiko

タワラ タケヒコ | Tawara Takehiko
Affiliation and department:
Job title: Professor
Research field  (3): Crystal engineering ,  Optical engineering and photonics ,  Semiconductors, optical and atomic physics
Research keywords  (4): デバイス物理 ,  量子光学 ,  共振器量子電磁力学 ,  光ー物質相互作用
Research theme for competitive and other funds  (18):
  • 2023 - 2027 On-demand single and entangled photon emitter with quantum optical nonlinear effects
  • 2023 - 2026 高効率量子光メモリの創発へ向けた希土類イオン励起電子と機械振動の結合系の研究
  • 2023 - 2026 On-chip nuclear spin qubit platform based on individual erbium-167 ions in silicon photonic nanocavities for quantum repeaters
  • 2022 - 2025 磁気的純化固体原子系の創成と量子メモリ応用に関する研究
  • 2021 - 2024 Verification of tristability of nuclear spin polarization in single quantum dot and construction of a unified model including nuclear quadrupole effect
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Papers (106):
  • Guoqiang Zhang, Kouta Tateno, Satoshi Sasaki, Takehiko Tawara, Hiroki Hibino, Hideki Gotoh, Haruki Sanada. Improving optoelectronic properties of InP/InAs nanowire p-i-n devices with telecom-band electroluminescence. Optics Continuum. 2024
  • Ryuichi Ohta, Grégoire Lelu, Xuejun Xu, Tomohiro Inaba, Kenichi Hitachi, Yoshitaka Taniyasu, Haruki Sanada, Atsushi Ishizawa, Takehiko Tawara, Katsuya Oguri, et al. Observation of Acoustically Induced Dressed States of Rare-Earth Ions. Physical Review Letters. 2024
  • Yui Ogawa, Takehiko Tawara, Yoshitaka Taniyasu. In Situ Observation of Graphene Growth by Chemical Vapor Deposition Using Ultraviolet Reflection: Implications for Efficient Growth Control in the Industrial Process. ACS Applied Nano Materials. 2023
  • Shoichiro Yasui, Masaya Hiraishi, Atsushi Ishizawa, Hiroo Omi, Tomohiro Inaba, Xuejun Xu, Reina Kaji, Satoru Adachi, Takehiko Tawara. Creation of high-resolution atomic frequency comb and optimization of pulse sequence for high-efficiency quantum memory in 167Er:Y2SiO5. Optics Continuum. 2022
  • Xuejun Xu, Tomohiro Inaba, Tai Tsuchizawa, Atsushi Ishizawa, Haruki Sanada, Takehiko Tawara, Hiroo Omi, Katsuya Oguri, Hideki Gotoh. Low-loss erbium-incorporated rare-earth oxide waveguides on Si with bound states in the continuum and the large optical signal enhancement in them. Optics Express. 2021. 29. 25. 41132-41132
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MISC (84):
  • 安井翔一郎, 安井翔一郎, 平石真也, 石澤淳, 尾身博雄, 稲葉智宏, XU Xuejun, 鍜治怜奈, 足立智, 俵毅彦. Demonstration of atomic frequency comb time-multiplexed quantum memory protocol in 167Er3+:Y2SiO5 under no magnetic field. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2022. 69th
  • 太田竜一, XU Xuejun, 稲葉智宏, 眞田治樹, 石澤淳, 俵毅彦, 小栗克弥, 山口浩司, 岡本創. Generation of surface acoustic wave on an Er3+:Y2SiO5 crystal. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2022. 69th
  • 俵 毅彦. 光コヒーレント操作のためのエルビウム添加希土類結晶-Erbium Doped Rare-Earth Crystals for Optical Coherent Manipulation-希土類イオン量子・光機能の新展開. 光学 = Japanese journal of optics : publication of the Optical Society of Japan. 2021. 50. 10. 425-431
  • Kunihashi Yoji, Aragaki Shuntaro, Tanaka Yusuke, Sanada Haruki, Tawara Takehiko, Oguri Katsuya, Onomitsu Koji, Kohda Makoto, Nitta Junsaku, Gotoh Hideki. Effect of electronic temperature on spin dynamics for drifting spins. JSAP Annual Meetings Extended Abstracts. 2021. 2021.1. 1776-1776
  • Tanaka Yusuke, Kunihashi Yoji, Krockenberger Yoshiharu, Sanada Haruki, Tawara Takehiko, Oguri Katsuya, Gotoh Hideki. Investigation on the growth of Bi2Te3 thin films on CaF2 and BaF2 substrates by pulsed laser deposition. JSAP Annual Meetings Extended Abstracts. 2021. 2021.1. 1780-1780
more...
Patents (14):
  • 半導体光デバイス
  • 固体量子メモリ
  • アモルファス酸化シリコンを介した希土類酸化物結晶の成長
  • 量子光学材料
  • 光素子
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Books (4):
  • Hybrid quantum systems
    Springer 2022 ISBN:9811666784
  • Fundamental properties of semiconductor nanowires
    Springer Nature Singapore 2021 ISBN:9789811590498
  • IOWN構想 -インターネットの先へ
    NTT出版 2019 ISBN:4757103913
  • Advanced Materials and their Applications: Micro to nano scale
    One Central Press 2017
Lectures and oral presentations  (38):
  • 低濃度167Er3+:Y2SiO5におけるAtomic frequency comb量子メモリの高効率化
    (2024年春季応用物理学会 2024)
  • 167Er3+:Y2SiO5結晶でのスピン状態保存時間のEr イオン濃度依存性
    (2024年春季応用物理学会 2024)
  • Erドープした希土類酸化膜導波路における光増幅の濃度依存性
    (2024年春季応用物理学会 2024)
  • 希土類スロット型光導波路のクラッド構造の最適化
    (2023年応物学会東北支部会 2023)
  • InP/InAs単一ナノワイヤ発光の熱影響評価
    (2023年応物学会東北支部会 2023)
more...
Education (3):
  • 1998 - 2001 北海道大学大学院 工学研究科 電子情報工学専攻 博士後期課程
  • 1996 - 1998 北海道大学大学院 工学研究科 電子情報工学専攻 修士課程
  • 1992 - 1996 Nihon University College of Humanities and Sciences Department of Applied Physics
Professional career (1):
  • Doctor of Engineering (Hokkaido University)
Work history (7):
  • 2021/04 - 現在 Nihon University College of Engineering, Department of Electrical and Electronic Engineering Professor
  • 2017/10 - 2021/03 NTT物性科学基礎研究所 量子光物性研究部 主幹研究員
  • 2016/04 - 2021/03 東京理科大学大学院 理学研究科 物理学専攻 客員教授
  • 2010/07 - 2017/09 NTT物性科学基礎研究所 量子光物性研究部 主任研究員
  • 2010/06 - 2010/07 Paul-Drude-Institut für Festkörperelektronik - Berlin
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Committee career (9):
  • 2020/02 - 現在 Electronic Materials Symposium Program Committee
  • 2015/02 - 2020/11 Solid-State Materials and Devices (SSDM) Program Committee
  • 2018/12 - 2020/01 Compound Semiconductor Week 2019 (CSW2019) Steering Committee
  • 2017/04 - 2017/09 International Symposium on Hybrid Quantum Systems 2017 (HQS2017) Program Committee
  • 2014/05 - 2017/05 Conference on Lasers and Electro-Optics (CLEO) Program Committee
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Awards (7):
  • 2021/03 - NTT物性科学基礎研究所 所長表彰(論文賞)
  • 2021/03 - NTT物性科学基礎研究所 所長表彰(業績賞)
  • 2020/03 - NTT物性科学基礎研究所 所長表彰(業績賞)
  • 2019/03 - NTT物性科学基礎研究所 所長表彰(業績賞)
  • 2009/03 - NTT物性科学基礎研究所 所長表彰(功労賞)
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Association Membership(s) (2):
The Optical Society (OSA) ,  応用物理学会
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