Journal
PHYSICAL REVIEW A
Volume 83, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.83.043804
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Funding
- RGC of Hong Kong [HKU7044/08P]
- Ikerbasque Foundation
- Basque Government [IT472-10]
- Spanish MEC [FIS2009-12773-C02-02]
- State Key Program for Basic Research of China [2006CB921800]
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We propose a feasible scheme to cool down a mechanical resonator (MR) in a three-mirror cavity optomechanical system with controllable external optical driving fields. Under the Born-Oppenheimer approximation, the whole dynamics of the mechanical resonator and cavities is reduced to that of a time-dependent harmonic oscillator, whose effective frequency can be controlled through the optical driving fields. The fast cooling of the MR can be realized by controlling the amplitude of the optical driving fields. Significantly, we further show that the ground-state cooling may be achieved via the three-mirror cavity optomechanical system without the resolved sideband condition.
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