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

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

1999-04-13

arxiv.org/abs/quant-ph/9904053v1

Phys.Lett. A263 (1999) 15-20

Physics

Quantum Physics

5 pages, REVTeX. More info on http://www.ligo.caltech.edu/~cbrif

Scientific paper

10.1016/S0375-9601(99)00714-8

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.

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