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Open Quantum Systems Decoherence

Dynamical Phonon Laser in Coupled Active-Passive Microresonators

arXiv

Authors: Bing He, Liu Yang, Min Xiao

Year

2016

Paper ID

43862

Status

Preprint

Abstract Read

~2 min

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Abstract

Effective transition between the population-inverted optical eigenmodes of two coupled microcavities carrying mechanical oscillation realizes a phonon analogue of optical two-level laser. By providing an approach that linearizes the dynamical equations of weak nonlinear systems without relying on their steady states, we study such phonon laser action as a realistic dynamical process, which exhibits time-dependent stimulated phonon field amplification especially when one of the cavities is added with optical gain medium. The approach we present explicitly gives the conditions for the optimum phonon lasing, and thermal noise is found to be capable of facilitating the phonon laser action significantly.

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Effective transition between the population-inverted optical eigenmodes of two coupled microcavities carrying mechanical oscillation realizes a phonon analogue of optical...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1609.00075 [2] arXiv https://arxiv.org/abs/1609.00075 [3] Publisher https://arxiv.org/abs/1609.00075

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