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Published March 6, 2013 | Published + Submitted
Journal Article Open

Laser noise in cavity-optomechanical cooling and thermometry


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 recent ground-state laser cooling and motional sideband asymmetry experiments with nanoscale optomechanical crystal resonators.

Additional Information

© 2013 Institute of Physics. Content from this work may be used under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Received 10 October 2012. Published 6 March 2013. This work was supported by the DARPA/MTO ORCHID program, the Institute for Quantum Information and Matter, an NSF Physics Frontiers Center with support of the Gordon and Betty Moore Foundation, and the Kavli Nanoscience Institute at Caltech. JC and ASN gratefully acknowledge support from NSERC. SG acknowledges support from the European Commission through a Marie Curie fellowship. HM and YC have also been supported by NSF grant numbers PHY-0555406, PHY-0956189, PHY-1068881, as well as the David and Barbara Groce startup fund at Caltech.

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Published - 1367-2630_15_3_035007.pdf

Submitted - 1210.2671v1.pdf


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