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Ground-state cooling of rotating mirror in double-Laguerre-Gaussian-cavity with atomic ensemble
Author(s) -
YuMu Liu,
ChengHua Bai,
Dongyang Wang,
Tie Wang,
MingHua Zheng,
Hong-Fu Wang,
AiDong Zhu,
Shou Zhang
Publication year - 2018
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.26.006143
Subject(s) - physics , ground state , sideband , laguerre polynomials , optics , gaussian , coupling (piping) , work (physics) , resonator , quantum mechanics , materials science , microwave , metallurgy
A scheme is proposed to cool a rotating mirror close to its ground state in a double-Laguerre-Gaussian-cavity optomechanical system, where an auxiliary cavity and a two-level atomic ensemble simultaneously couple to the original optomechanical cavity. By choosing parameters reasonably, we find that the cooling process of the rotating mirror can be strengthened greatly while the heating process can be suppressed effectively. We show that the proposed ground-state cooling scheme can work well no matter whether in the weak or strong coupling regime for the atomic ensemble and original cavity. Compared with previous related schemes, our scheme works in the unresolved sideband regime with fewer strict limitations for the auxiliary systems.

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