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Quantum Theory of Cavity-Assisted Sideband Cooling of Mechanical Motion | | Florian Marquardt
; Joe P. Chen
; A. A. Clerk
; S. M. Girvin
; | | Date: |
17 Jan 2007 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | | Abstract: | We present a fully quantum theory describing the cooling of a cantilever coupled via radiation pressure to an illuminated optical cavity. Applying the quantum noise approach to the fluctuations of the radiation pressure force, we derive the opto-mechanical cooling rate and the minimum achievable phonon number. We find that reaching the quantum limit of arbitrarily small phonon numbers requires going into the good cavity (resolved phonon sideband) regime where the cavity linewidth is much smaller than the mechanical frequency and the corresponding cavity detuning. This is in contrast to the common assumption that the mechanical frequency and the cavity detuning should be comparable to the cavity damping. | | Source: | arXiv, cond-mat/0701416 | | Other source: | [GID 94305] pmid17931006 | | Services: | Forum | Review | PDF | Favorites | |
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