Volume 115, Number 6, September 2016
|Number of page(s)||7|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||04 November 2016|
Perfect photon absorption in hybrid atom-optomechanical system
School of Physics and Optoelectronic Technology, Dalian University of Technology - Dalian 116024, China
Received: 9 August 2016
Accepted: 11 October 2016
We propose a scheme to investigate the perfect photon absorption in a hybrid atom-optomechanical system under and beyond the low-excitation limit. The perfect photon absorption is present in both cases and always accompanied by the optical bistability or multistability. We find that the coupling with the atomic ensemble provides the sufficient and necessary condition for the perfect photon absorption in such a system, but the optomechanical coupling is only a necessary condition for the bistability (in the low-excitation regime)/multistability (beyond the low-excitation limit). It is especially interesting that the optical nonlinearities induced by the nonlinear optomechanical interaction and nonlinear atomic excitation can be overlap-added, which results in the optical multistability and further causes an additional perfect photon absorption point.
PACS: 42.50.-p – Quantum optics / 42.50.Gy – Effects of atomic coherence on propagation, absorption, and amplification of light; electromagnetically induced transparency and absorption / 42.50.Pq – Cavity quantum electrodynamics; micromasers
© EPLA, 2016
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