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Proceedings Paper

Optomechanical detection of weak forces
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Paper Abstract

We present a detailed study of how phase-sensitive feedback schemes can be used to improve the performance of optomechanical devices. Considering the case of a cavity mode coupled to an oscillating mirror by the radiation pressure, we show how feedback can be used to reduce the position noise spectrum of the mirror, cool it to its quantum ground state, or achieve position squeezing. Then, we show that even though feedback is not able to improve the sensitivity of stationary position spectral measurements, it is possible to design a nonstationary strategy able to increase this sensitivity.

Paper Details

Date Published: 16 May 2003
PDF: 12 pages
Proc. SPIE 5111, Fluctuations and Noise in Photonics and Quantum Optics, (16 May 2003); doi: 10.1117/12.491075
Show Author Affiliations
David Vitali, INFM (Italy)
Univ. di Camerino (Italy)
Stefano Mancini, INFM (Italy)
Univ. di Camerino (Italy)
Paolo Tombesi, INFM (Italy)
Univ. di Camerino (Italy)


Published in SPIE Proceedings Vol. 5111:
Fluctuations and Noise in Photonics and Quantum Optics
Derek Abbott; Jeffrey H. Shapiro; Yoshihisa Yamamoto, Editor(s)

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