High-sensitivity optical monitoring of a micro-mechanical resonator with a quantum-limited optomechanical sensor

Abstract : We experimentally demonstrate the high-sensitivity optical monitoring of a micro-mechanical resonator and its cooling by active control. Coating a low-loss mirror upon the resonator, we have built an optomechanical sensor based on a very high-finesse cavity (30000). We have measured the thermal noise of the resonator with a quantum-limited sensitivity at the 10^-19 m/rootHz level, and cooled the resonator down to 5K by a cold-damping technique. Applications of our setup range from quantum optics experiments to the experimental demonstration of the quantum ground state of a macroscopic mechanical resonator.
Type de document :
Article dans une revue
Physical Review Letters, American Physical Society, 2006, 97, pp.133601


https://hal.archives-ouvertes.fr/hal-00070906
Contributeur : Antoine Heidmann <>
Soumis le : lundi 22 mai 2006 - 12:22:33
Dernière modification le : jeudi 29 septembre 2016 - 01:06:38

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Olivier Arcizet, P. -F. Cohadon, T. Briant, M. Pinard, A. Heidmann, et al.. High-sensitivity optical monitoring of a micro-mechanical resonator with a quantum-limited optomechanical sensor. Physical Review Letters, American Physical Society, 2006, 97, pp.133601. <hal-00070906>

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