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Quantum limit of laser cooling in dispersively and dissipatively coupled optomechanical systems

Weiss, Talitha and Nunnenkamp, Andreas. (2013) Quantum limit of laser cooling in dispersively and dissipatively coupled optomechanical systems. Physical review. A, Atomic, Molecular, and Optical Physics, Vol. 88, H. 2 , 023850.

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Official URL: http://edoc.unibas.ch/dok/A6223228

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Abstract

Mechanical oscillators can be cooled by coupling them to an optical or microwave cavity. Going beyond the standard quantum noise approach, we find an analytic expression for the steady-state phonon number in systems where the position of the mechanical oscillator modulates the cavity frequency as well as the cavity linewidth. We trace the origin for the quantum limit of cooling to fluctuations in the optical force both at and away from the mechanical frequency. Finally, we calculate the minimal phonon number for the different types of couplings. Our study elucidates how to beneficially combine dispersive and dissipative optomechanical couplings.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik (Bruder)
UniBasel Contributors:Nunnenkamp, Andreas and Weiss, Talitha
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:American Institute of Physics
ISSN:1050-2947
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:27 Mar 2014 13:12
Deposited On:27 Mar 2014 13:12

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