Suppression of classic and quantum radiation pressure noise by electro-optic feedback

被引：34

作者：

Buchler, BC ^{[1
]}

Gray, MB ^{[1
]}

Shaddock, DA ^{[1
]}

Ralph, TC ^{[1
]}

McClelland, DE ^{[1
]}

机构：

[1] Australian Natl Univ, Fac Sci, Dept Phys, Canberra, ACT 0200, Australia

来源：

OPTICS LETTERS | 1999年 / 24卷 / 04期

关键词：

D O I：

10.1364/OL.24.000259

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present theoretical results that demonstrate a new technique that can be used to improve the sensitivity of thermal noise measurements: intracavity intensity stabilization. It is demonstrated that electro-optic feedback can be used to reduce intracavity intensity fluctuations, and the consequent radiation pressure fluctuations, by a factor of 2 below the quantum-noise limit. We show that this reduction is achievable in the presence of large classic intensity fluctuations in the incident laser beam. The benefits of this scheme are a consequence of the sub-Poissonian intensity statistics of the field inside a feedback loop and the quantum nondemolition nature of radiation pressure noise as a readout system for the intracavity intensity fluctuations. (C) 1999 Optical Society of America. OCIS codes: 270.2500, 120.5050, 120.7280.

引用

页码：259 / 261

页数：3

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