Observation of Macroscopic Quantum Behavior Using Opt-Mechanical System
| Project/Area Number |
16K13855
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Atomic/Molecular/Quantum electronics
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| Research Institution | The University of Tokyo |
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Principal Investigator |
Ando Masaki 東京大学, 大学院理学系研究科(理学部), 准教授 (90313197)
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| Research Collaborator |
MATSUMOTO Nobuyuki
KOMORI Kentaro
MICHIMURA Yuta
ENOMOTO Yutaro
NAGANO Koji
WADA Shotaro
Ooi Ching Pin
KAWASAKI Takuya
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| Project Period (FY) |
2016-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Keywords | 量子的性質 / 巨視的物体 / 冷却 / 振動子 / 超精密計測 |
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| Outline of Final Research Achievements |
The purpose of this research is to investigate quantum behavior of macroscopic objects. For it, we developed a small opt-mechanical oscillator comprised of a 15-mm scale bar-type mirror and Fabry-Perot cavities at the both edges of the mirror. We successfully operated the cavities stably, and obtained the first results of fluctuation spectrum. The fluctuation was larger than the fundamental limitations, such as optical quantum noise and thermal noise, by about 2-orders. However, we have made a significant step to realize this small-scale opt-mechanical system.
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Report
(3 results)
Research Products
(15 results)
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[Journal Article] Construction of KAGRA : an underground gravitational-wave observatory2018
Author(s)
M Ando, Y Aso, R Flaminio, T Kajita, S Kawamura, N Kimura, K Kuroda, F Matsushima, N Mio, O Miyakawa, S Miyoki, Y Moriwaki, M Ohashi, K Somiya, T Suzuki, T Tomaru, T Uchiyama and KAGRA Collaboration, et al.
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Journal Title
Progress of Theoretical Physics and Experiments
Volume: 2018
Pages: 01-18
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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[Journal Article] Mirror actuation design for the interferometer control of the KAGRA gravitational wave telescope2017
Author(s)
Yuta Michimura, Tomofumi Shimoda, Takahiro Miyamoto, Ayaka Shoda, Koki Okutomi, Yoshinori Fujii, Yoichi Aso, Masaki Ando, Raffaele Flaminio, Takaaki Kajita, Seiji Kawamura, Kentaro Somiya, Takayuki Tomaru, Takashi Uchiyama
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Journal Title
Classical and Quantum Gravity
Volume: 34
Pages: 225-001
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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