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Probing optomechanical correlations between two optical beams down to the quantum level
P. Verlot, A. Tavernarakis, T. Briant +2
Quantum effects of radiation pressure are expected to limit the sensitivity of second-generation gravitational-wave interferometers. Though ubiquitous, such effects are so weak tha…
Observation of back-action cancellation in interferometric and weak force measurements
T. Caniard, P. Verlot, T. Briant +2
We experimentally demonstrate a cancellation of back-action noise in optical measurements. Back-action cancellation was first proposed within the framework of gravitational-wave de…
Radiation-pressure cooling and optomechanical instability of a micro-mirror
O. Arcizet, P. -F. Cohadon, T. Briant +2
Recent experimental progress in table-top experiments or gravitational-wave interferometers has enlightened the unique displacement sensitivity offered by optical interferometry. A…
High-sensitivity optical monitoring of a micro-mechanical resonator with a quantum-limited optomechanical sensor
O. Arcizet, P. -F. Cohadon, T. Briant +7
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 resonato…
Beating quantum limits in optomechanical sensor by cavity detuning
Olivier Arcizet, Tristan Briant, Antoine Heidmann +1
We study the quantum limits in an optomechanical sensor based on a detuned high-finesse cavity with a movable mirror. We show that the radiation pressure exerted on the mirror by t…
Optomechanical characterization of acoustic modes in a mirror
T. Briant, P. F. Cohadon, A. Heidmann +1
We present an experimental study of the internal mechanical vibration modes of a mirror. We determine the frequency repartition of acoustic resonances via a spectral analysis of th…