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10.09.07 - A central question which has arised recently in the field of optomechanical cooling is if back-action cooling can be used to cool a mechanical oscillator to the ground state. We have successfully addressed this question and formulated a quantum theory of radiation pressure self cooling - jointly with the W. Zwerger group - , showing that ground state cooling is only possible, provided the mechanical frequency is larger than the cavity linewidth - analogous to resolved sideband cooling of ions -

A central question which has arised recently in the field of optomechanical cooling is if back-action cooling can be used to cool a mechanical oscillator to the ground state. We have successfully addressed this question and formulated a quantum theory of radiation pressure self cooling - jointly with the W. Zwerger group - , showing that ground state cooling is only possible, provided the mechanical frequency is larger than the cavity linewidth - analogous to resolved sideband cooling of ions -

>>Theory of Ground State Cooling of a Mechanical Oscillator Using Dynamical Backaction

Author:Clément Javerzac-GalySource:Laboratory of Photonics and Quantum Measurements
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