宇宙物理学研究系
Profile Information
- Affiliation
- Associate Professor, Institute of Space and Astronautical Science, Japan Aerospace Exploration AgencyAssociate Professor, Graduate School of Science Department of Physics, The University of Tokyo
- Researcher number
- 20816657
- ORCID ID
https://orcid.org/0000-0003-3405-8334- J-GLOBAL ID
- 202001003658123136
- researchmap Member ID
- R000013368
Research highlights and news
See blog posts
Hello world!
I am an experimental astrophysicist with the main focuse set on gravitational wave searches and precision laser interferometry. My ultimate goal is to directly probe the very early Universe by observing primordial gravitational-wave backgrounds. I am currently an associate professor in the Space Astronomy and Astrophysics Department of ISAS, working for LISA, KAGRA and SILVIA by conduting a number of laboratory-scale experiemnts.
If you are interested in joining our group at ISAS in JAXA, please feel free to contact me.
Hobbies: reading, bonfiring, guitar (electric and acoustic) , studying Yokai
Video archive (1): AW80T, IYA2009 (K. Arai, D. Tatsumi and me in 2009)
Video archive (2): BS visual inspection (R. X. Adhikari and me in 2010)
Video archive (3): A scen behind LHO HIFO test (S. Ballmer, C. Wipf and me in 2013)
Research Interests
5Research History
6Education
5-
2007 - 2012
-
2003 - 2007
-
2000 - 2003
-
1997 - 2000
-
1991 - 1997
Committee Memberships
23-
Jun, 2025 - Present
-
Jun, 2025 - Present
-
May, 2025 - Present
Awards
13Papers
185-
Classical and Quantum Gravity, 42(10) 105007-105007, May 14, 2025 Peer-reviewedAbstract Future gravitational wave observation in space will demand improvement in the sensitivity of the local sensor for the drag-free control. This paper presents the proposal, design, and demonstration of a new laser interferometric sensor named Quadrature Interferometric Metrology of Translation and Tilt (QUIMETT) for the drag-free local sensor. QUIMETT enables simultaneous measurements of both translational displacement and tilts of a reflective object with a single interferometer package. QUIMETT offers a characteristic feature where the sensitivity to tilt is independent of the interference condition while maintaining the ability to measure the translational displacement for a range greater than the laser wavelength. The tilt-sensing function has been demonstrated in a prototype experiment. The tilt sensitivity remained unchanged in different interference conditions and stayed at 10 nrad Hz at 0.1 Hz.
-
Physical Review D, 111(8), Apr 15, 2025 Peer-reviewedCorresponding author
-
IEEE Transactions on Nuclear Science, 71(8) 1914-1923, Aug, 2024 Peer-reviewed
-
Optics Express, May 2, 2024 Peer-reviewed
-
Physical Review D, 109(2), Jan 10, 2024 Peer-reviewedLast author
Misc.
49-
The Astronomical Herald, Astronomical Society of Japan, 117(7) 458-463, Jun, 2024 InvitedCorresponding author
-
28th IUGG General Assembly, G06p-024, Jul, 2023
-
arXiv:2305.06579, May 11, 2023
-
Handbook of Gravitational Wave Astronomy, 2105.06069 479-492, Jul 2, 2022 Peer-reviewedInvitedLead author
Books and Other Publications
7Presentations
40-
NAOJ ATC users meeting, Sep 24, 2025
Teaching Experience
2-
May, 2024 - May, 2024Intensive course ``Gravitational wave observations and associated technologies'' (Kyushu University, Faculty of Science)
-
Oct, 2023 - Feb, 2024Physics Seminar (The University of Tokyo)
Professional Memberships
8-
2022 - Present
-
2019 - Present
-
2017 - Present
-
2014 - Present
-
2009 - Present
Research Projects
12-
科学研究費助成事業, 日本学術振興会, Jun, 2024 - Mar, 2028
-
科学研究費助成事業, 日本学術振興会, Apr, 2024 - Mar, 2027
-
科学研究費助成事業 基盤研究(B), 日本学術振興会, Apr, 2020 - Mar, 2023
-
戦略的研究開発経費, 宇宙航空研究開発機構宇宙科学研究所宇宙理学委員会, Apr, 2022 - Oct, 2022
-
戦略的開発研究費, 宇宙航空研究開発機構宇宙科学研究所宇宙工学委員会, Apr, 2021 - Mar, 2022
Academic Activities
15-
Panel moderator, Session chair, etc.Astronomical Society of Japan, Sep 11, 2025 - Sep 11, 2025
-
Panel moderator, Session chair, etc.National Astronomical Observatory of Japan, Apr 16, 2025 - Apr 17, 2025
-
OthersJAXA (JAXA Tanegashima Space Center), Aug 14, 2023 - Aug 24, 2023
-
Review, evaluationGottfried Wilhelm Leibniz Universität Hannover, Germany, Jul, 2023 - Aug, 2023
-
Othersthe International Max Planck Research School on Gravitational Wave Astronomy (IMPRS-GW) at the Max Planck Institute for Gravitational Physics and Leibniz Universität Hannover, Aug, 2019 - Aug, 2023
Social Activities
32Other
22-
2021 - PresentA member for propelling the technological front-loading activities
-
Jun, 2025 - Jun, 2025https://www.isas.jaxa.jp/outreach/isas_news/files/ISASnews531.pdf
● 指導学生等の数
6-
Fiscal Year2024年度(FY2024)Master’s program1Students under Cooperative Graduate School System3Students under Skills Acquisition System1
-
Fiscal Year2023年度(FY2023)Doctoral program1Master’s program1Students under Cooperative Graduate School System3Students under Skills Acquisition System1
-
Fiscal Year2022年度(FY2022)Doctoral program1Students under Cooperative Graduate School System2Students under Skills Acquisition System2
-
Fiscal Year2021年度(FY2021)Students under Cooperative Graduate School System2Students under Skills Acquisition System1
-
Fiscal Year2020年度(FY2020)Students under Cooperative Graduate School System2Students under Skills Acquisition System1
-
Fiscal Year2019年度(FY2019)Students under Cooperative Graduate School System2
