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Optics Letters

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  • Vol. 24, Iss. 4 — Feb. 15, 1999
  • pp: 259–261

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

Ben C. Buchler, Malcolm B. Gray, Daniel A. Shaddock, Timothy C. Ralph, and David E. McClelland  »View Author Affiliations


Optics Letters, Vol. 24, Issue 4, pp. 259-261 (1999)
http://dx.doi.org/10.1364/OL.24.000259


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Abstract

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.

© 1999 Optical Society of America

OCIS Codes
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(120.7280) Instrumentation, measurement, and metrology : Vibration analysis
(270.2500) Quantum optics : Fluctuations, relaxations, and noise

Citation
Ben C. Buchler, Malcolm B. Gray, Daniel A. Shaddock, Timothy C. Ralph, and David E. McClelland, "Suppression of classic and quantum radiation pressure noise by electro-optic feedback," Opt. Lett. 24, 259-261 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-4-259


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