Radiation-pressure effects and back-action cancellation in interferometric measurements

Pierre Verlot; Thomas Caniard; Tristan Briant; Pierre-François Cohadon; Antoine Heidmann

doi:10.1117/12.724653

13 June 2007 Radiation-pressure effects and back-action cancellation in interferometric measurements

Pierre Verlot, Thomas Caniard, Tristan Briant, Pierre-François Cohadon, Antoine Heidmann

Proceedings Volume 6603, Noise and Fluctuations in Photonics, Quantum Optics, and Communications; 66032E (2007) https://doi.org/10.1117/12.724653
Event: SPIE Fourth International Symposium on Fluctuations and Noise, 2007, Florence, Italy

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.

Citation Download Citation

Pierre Verlot, Thomas Caniard, Tristan Briant, Pierre-François Cohadon, and Antoine Heidmann "Radiation-pressure effects and back-action cancellation in interferometric measurements", Proc. SPIE 6603, Noise and Fluctuations in Photonics, Quantum Optics, and Communications, 66032E (13 June 2007); https://doi.org/10.1117/12.724653

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