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Proceedings Paper

Radiation-pressure effects and back-action cancellation in interferometric measurements
Author(s): Pierre Verlot; Thomas Caniard; Tristan Briant; Pierre-François Cohadon; Antoine Heidmann
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Paper Abstract

We have developed an experiment of ultrasensitive interferometric measurement of small displacements based on a high-finesse Fabry-Perot cavity. We describe recent progress in our experimental setup in order to reach a sensitivity better than 10-20 m/√Hz. This unique sensitivity is a step towards the first observation of radiation pressure effects and the resulting standard quantum limit in interferometric measurements. Our experiment may become a powerful facility to test quantum noise reduction schemes, and we already report the first experimental demonstration of a back-action noise cancellation. Using a classical radiation-pressure noise to mimic the quantum noise of light, we have observed a drastic improvement of sensitivity either in position or force measurements.

Paper Details

Date Published: 13 June 2007
PDF: 8 pages
Proc. SPIE 6603, Noise and Fluctuations in Photonics, Quantum Optics, and Communications, 66032E (13 June 2007); doi: 10.1117/12.724653
Show Author Affiliations
Pierre Verlot, Lab. Kastler Brossel, UPMC, ENS, CNRS (France)
Thomas Caniard, Lab. Kastler Brossel, UPMC, ENS, CNRS (France)
Tristan Briant, Lab. Kastler Brossel, UPMC, ENS, CNRS (France)
Pierre-François Cohadon, Lab. Kastler Brossel, UPMC, ENS, CNRS (France)
Antoine Heidmann, Lab. Kastler Brossel, UPMC, ENS, CNRS (France)


Published in SPIE Proceedings Vol. 6603:
Noise and Fluctuations in Photonics, Quantum Optics, and Communications
Leon Cohen, Editor(s)

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