2017 - 2021 Atomic-scale terahertz nanoscience far beyond the diffraction limit
2015 - 2020 Science of photonic hybrid quantum systems
2017 - 2019 Terahertz dynamics of single molecule transistors and their applications to molecular spintronics
2016 - 2019 Novel solid-state cooling device based on semiconductor quantum structures
2015 - 2017 Uncooled, high-sensitivity terahertz bolometer using MEMS resonators.
2013 - 2016 Electron transport through site-controlled single quantum dots/rings and its applications
2009 - 2014 Coherent transfer in single photon and single electron spin coupled systems
2012 - 2013 テラヘルツ量子カスケードレーザの物理と高性能化に関する研究
2010 - 2012 Physics and applications of strong coupling beitnweternsublevel transitions in semiconductor heterostructures and electromagnetic waves in terahertz resonators
2007 - 2009 Physics and application of single self-assembled InAs quantum dot transistors
2006 - 2008 Physics and applications of terahertz dynamics of quantum nanostructures
2005 - 2007 Control of electrons and holes by quantum rings and related nanostructures and its device applications
2003 - 2005 Investigation of dynamical conductivity in quantum nanostructures by time-domain terahertz spectroscopy
2000 - 2004 量子ドット構造による電子の制御と次世代エレクトロニクスへの応用
2001 - 2003 High-sensitivity mid infrared detection using photoionization of quantum dots
2001 - 2003 Development of Blue-Violet GaN Microcavity Surface-Emitting Lasers far Next-Generation Optical Memory Systems
1999 - 2003 半導体ナノ構造の量子光物性とその応用
2001 - 2002 Research on a single electron transistor with self-assembled quantum dots and its prototype fabrication
2000 - 2002 Ultrafast carrier dynamics in the 10fs-time range probed by time-domain terahertz emission spectroscopy
1998 - 2000 Fabrication of quantum dot lasers
1998 - 2000 Fundamental research on 1.5μm quantum cascade lasers for optical communication
1998 - 1999 Prototype Fabrication Research of Ultra-sensitive Optical Sensor Using Charging Effect of Quantum Dots
1997 - 1999 Ultrahigh-sensitivity far infrared photodetectors by using the quantum Hall effect
1997 - 1999 Electron dynamics in semiconductor quantum structures investigated by time-resolved terahertz spectrosccopy
1997 - 1999 Optical Properties of Spin Controlled Semiconductor Nanostructures
1996 - 1997 Control of band offsets qt high-index semi conductor interfaces by the Piezo-effect induced with thin strained insertion layrs
1996 - 1997 Development of semiconductor integrated devices for coherent THz electromagnetic field generation
1996 - 1997 Investigation of Oxidation Mechanisms in SOI Structures
1995 - 1997 Fluctuations of Characteristics in Sub-0.1mum Thin Film SOI CMOS LSI Devices
1989 - 1990 Fabrication of Vertical Field-Effect Transistor with a Superlattice Source by Using Focused Ion Beam
1989 - 1990 Interference Effect of Electron Waves in Quantum Wires Fabricated by Focused Ion Beam Implantation
1988 - 1988 半導体超薄膜超格子中の電子-2次元フォノン相互作用に関する研究
単一分子トランジスタ実現に向けたナノ技術・ナノ科学
単一量子ドットトランジスタの物理と応用
THz領域における量子ナノ構造の電子物性とデバイス応用
フェムト秒レーザパルスを用いたコヒーレントTHz光の発生・検出・分光
量子構造を用いた赤外光の発生と検出に関する研究
テラヘルツ分光法を用いた半導体内超高速現象の解明
量子ナノ構造の物性と応用に関する研究
Nanoscience/technology toward single molecular devices
Physics and applications of single quantum dot transistors
Physics of quantum nanostructures in the THz frequency range
Ultrafst detection of coherent THz E&M waves using femtosecond laser pulses
Generation and Detection of Infrared Radiation by Quantum Nanostructures
Ultrafast Electron Dynamics in semiconductors Investigated by Time Domain Terahertz Spectroscopy
Physics and Application of Quantum Nanostructures
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Papers (73)：
Yue Tian, Guangtai Lu, Shaoqing Du, Kazuyuki Kuroyama, Kazuhiko Hirakawa. Theory for electromigration at metal nanocontacts driven by kinetic energy transfer from “lucky electrons”. Applied Physics Express. 2024. 17. 7. 075002-075002
Kazuyuki Kuroyama, Jinkwan Kwoen, Yasuhiko Arakawa, Kazuhiko Hirakawa. Electrical Detection of Ultrastrong Coherent Interaction between Terahertz Fields and Electrons Using Quantum Point Contacts. Nano Letters. 2023
Yue Tian, Shaoqing Du, Keidai Toyoshima, Akira Aiba, Kazuyuki Kuroyama, Kazuhiko Hirakawa. Electromigration at atomic-scale metal nanojunctions driven by “lucky electrons”. Applied Physics Express. 2023. 16. 8. 085001-085001
Chao Li, Ya Zhang, Kazuhiko Hirakawa. Terahertz Detectors Using Microelectromechanical System Resonators. Sensors. 2023
Chao Li, Boqi Qiu, Yuri Yoshioka, Kazuhiko Hirakawa, Ya Zhang. Mechanical Control of Nonlinearity in Doubly Clamped MEMS Beam Resonators Using Preloaded Lattice-Mismatch Strain. Physical Review Applied. 2023
Boqi Qiu, Ya Zhang, Kouichi Akahane, Naomi Nagai, Kazuhiko Hirakawa. Strain tuning in MEMS beam resonators for terahertz bolometer applications. 2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). 2018
Ya Zhang, Suguru Hosono, Naomi Nagai, Kazuhiko Hirakawa. Novel bolometric THz detection by MEMS resonators. 2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). 2018
Shaoqing Du, Ya Zhang, Kenji Yoshida, Kazuhiko Hirakawa. Terahertz spectroscopy of a single atom in a fullerene cage. International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. 2017. 1
Zhang Y, Qiu B, Nagai N, Nomura M, Hirakawa K. Enhanced sensitivity of MEMS bolometers by introducing two-dimensional phononic crystal structures. Optics InfoBase Conference Papers. 2017. Part F78-JSAP 2017
Shibata K., Yuan Hongtao, Iwasa Y., Hirakawa K. Liquid Gated Quantum Dot Electric-Double-Layer Transistors. Meeting abstracts of the Physical Society of Japan. 2013. 68. 2. 623-623
- 1987 The University of Tokyo Graduate School, Division of Engineering
- 1982 The University of Tokyo The Faculty of Engineering Department of Electrial Engineering
- 1982 The University of Tokyo Faculty of Engineering
Professional career (1)：
(BLANK)
Work history (4)：
2001/05 - The University of Tokyo Institute of Industrial Science
- 1993/03 プリンストン大学客員研究員
1990/07 - The University of Tokyo Institute of Industrial Science
1987/04 - The University of Tokyo Institute of Industrial Science
Committee career (4)：
2008 - 2009 応用物理学会 理事・APEX/JJAP編集委員長
2006 - 2007 電子情報通信学会 会誌編集特別幹事
1998 - 2000 The Japan Society of Applied Physics 分科世話人代表
1997 - 1999 The Institute of Electronics, Information and Communication Engineers Director, LQE
Awards (5)：
2005 - 日本IBM科学賞
2000 - 丸文研究奨励賞
2000 - Marubun Research Promotion Foundation (MRPF)丸文研究奨励賞
1998 - 電子情報通信学会レター論文賞
1998 - Electronics Society Excellent Letters Award
Association Membership(s) (9)：
American Physical Society
, 電子情報通信学会
, 日本物理学会
, 応用物理学会
, Information and Communication Engineers
, The Institute of Electronics
, The Physical Society of Japan
, The Japan Society of Applied Physics
, American Physical Society
