Laser noise in cavity-optomechanical cooling and thermometry

Abstract

We review and study the roles of quantum and classical fluctuations in recent cavity-optomechanical experiments which have now reached the quantum regime (mechanical phonon occupancy < 1) using resolved sideband laser cooling. In particular, both the laser noise heating of the mechanical resonator and the form of the optically transduced mechanical spectra, modified by quantum and classical laser noise squashing, are derived under various measurement conditions. Using this theory, we analyze our recent ground-state laser cooling and motional sideband asymmetry experiments with nanoscale optomechanical crystal resonators.

36 pages, 10 figures

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Cited by in corpus (7)

• Sideband Cooling Beyond the Quantum Limit with Squeezed Light
• Phonon counting and intensity interferometry of a nanomechanical resonator
• Optimal state estimation for cavity optomechanical systems
• Observation and interpretation of motional sideband asymmetry in a quantum electro-mechanical device
• Millimeter-wave interconnects for microwave-frequency quantum machines
• Phonon amplification in two coupled cavities containing one mechanical resonator
• Heterodyne photodetection measurements on cavity optomechanical systems: Interpretation of sideband asymmetry and limits to a classical explanation