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Classical Pendulum Feels Quantum Back-Action

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Classical Pendulum Feels Quantum Back-Action/ by Nobuyuki Matsumoto.
作者:	Matsumoto, Nobuyuki.
面頁冊數:	XII, 103 p. 36 illus., 5 illus. in color.online resource. :
Contained By:	Springer Nature eBook
標題:	Quantum physics. -
電子資源:	https://doi.org/10.1007/978-4-431-55882-8
ISBN:	9784431558828

Classical Pendulum Feels Quantum Back-Action
Matsumoto, Nobuyuki.

Classical Pendulum Feels Quantum Back-Action[electronic resource] /by Nobuyuki Matsumoto. - 1st ed. 2016. - XII, 103 p. 36 illus., 5 illus. in color.online resource. - Springer Theses, Recognizing Outstanding Ph.D. Research,2190-5053. - Springer Theses, Recognizing Outstanding Ph.D. Research,.

Introduction -- Theory of Optomechanics -- Application of Optomechanics -- Optical Torsional Spring -- Experimental Setup -- Experimental Results -- The Future -- Conclusions. .

In this thesis, ultimate sensitive measurement for weak force imposed on a suspended mirror is performed with the help of a laser and an optical cavity for the development of gravitational-wave detectors. According to the Heisenberg uncertainty principle, such measurements are subject to a fundamental noise called quantum noise, which arises from the quantum nature of a probe (light) and a measured object (mirror). One of the sources of quantum noise is the quantum back-action, which arises from the vacuum fluctuation of the light. It sways the mirror via the momentum transferred to the mirror upon its reflection for the measurement. The author discusses a fundamental trade-off between sensitivity and stability in the macroscopic system, and suggests using a triangular cavity that can avoid this trade-off. The development of an optical triangular cavity is described and its characterization of the optomechanical effect in the triangular cavity is demonstrated. As a result, for the first time in the world the quantum back-action imposed on the 5-mg suspended mirror is significantly evaluated. This work contributes to overcoming the standard quantum limit in the future.

ISBN: 9784431558828

Standard No.: 10.1007/978-4-431-55882-8doiSubjects--Topical Terms:

1179090
Quantum physics.

LC Class. No.: QC173.96-174.52

Dewey Class. No.: 530.12

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