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Open Quantum Systems Decoherence
High-order exceptional points in optomechanics
arXiv
Authors: H. Jing, Ş. K. Özdemir, H. Lü, Franco Nori
Year
2016
Paper ID
43728
Status
Preprint
Abstract Read
~2 min
Abstract Words
91
Citations
N/A
Abstract
We study mechanical cooling in systems of coupled passive (lossy) and active (with gain) optical resonators. We find that for a driving laser which is red-detuned with respect to the cavity frequency, the supermode structure of the system is radically changed, featuring the emergence of genuine high-order exceptional points. This in turn leads to giant enhancement of both the mechanical damping and the spring stiffness, facilitating low-power mechanical cooling in the vicinity of gain-loss balance. This opens up new avenues of steering micromechanical devices with exceptional points beyond the lowest-order two.
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- This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
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- We study mechanical cooling in systems of coupled passive (lossy) and active (with gain) optical resonators.
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