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Applied Physics Letters 99 (2011) 121103
A micropillar for cavity optomechanics
A. G. Kuhn1, M. Bahriz2, O. Ducloux2, C. Chartier2, O. Le Traon2, T. Briant1, P. -F. Cohadon1, A. Heidmann1, C. Michel3, L. Pinard3, R. Flaminio3

We present a new micromechanical resonator designed for cavity optomechanics. We have used a micropillar geometry to obtain a high-frequency mechanical resonance with a low effective mass and a very high quality factor. We have coated a 60-µm diameter low-loss dielectric mirror on top of the pillar and are planning to use this micromirror as part of a high-finesse Fabry-Perot cavity, to laser cool the resonator down to its quantum ground state and to monitor its quantum position fluctuations by quantum-limited optical interferometry.
1:  LKB (Jussieu) - Laboratoire Kastler Brossel
2:  Chatillon - Onera - The French Aerospace Lab
3:  LMA - Laboratoire des matériaux avancés
Physics/Quantum Physics

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