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Published November 22, 1999 | Submitted
Journal Article Open

Reduction of optimum light power with Heisenberg-limited photon-counting noise in interferometric gravitational-wave detectors

Abstract

We study how the behavior of quantum noise, presenting the fundamental limit on the sensitivity of interferometric gravitational-wave detectors, depends on properties of input states of light. We analyze the situation with specially prepared nonclassical input states which reduce the photon-counting noise to the Heisenberg limit. This results in a great reduction of the optimum light power needed to achieve the standard quantum limit, compared to the usual configuration.

Additional Information

© 1999 Elsevier B.V. Received 26 April 1999, Revised 6 September 1999, Accepted 10 October 1999, Available online 12 January 2000. The author thanks Kip S. Thorne and John Preskill for stimulating discussions and Ady Mann and Albert Lazzarini for valuable comments on the manuscript. Financial support from the Lester Deutsch Fund is gratefully acknowledged. This work was supported in part by the Institute of Theoretical Physics at the Department of Physics at the Technion, and the author is grateful to the Institute for hospitality during his visit to the Technion. The LIGO Project is supported by the National Science Foundation under the cooperative agreement PHY-9210038.

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August 19, 2023
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