Atom-loss-induced quantum optical bi-stability switch

doi:10.1088/1674-1056/21/10/103701

Abstract We investigate the nonlinear dynamics of a system composed of a cigar-shaped Bose-Einstein condensate and an optical cavity with the two sides coupled dispersively. By adopting discrete-mode approximation for the condensate, taking atom loss as a necessary part of the model to analyze the evolution of the system, while using trial and error method to find out steady states of the system as a reference, numerical simulation demonstrates that with a constant pump, atom loss will trigger a quantum optical bi-stability switch, which predicts a new interesting phenomenon for experiments to verify.

Keywords: atom loss discrete-mode approximation optical bi-stability switch

Received: 05 April 2012
Revised: 28 April 2012
Accepted manuscript online:

PACS:	37.10.Jk	(Atoms in optical lattices)
	37.10.Vz	(Mechanical effects of light on atoms, molecules, and ions)
	42.50.Pq	(Cavity quantum electrodynamics; micromasers)
	42.65.Pc	(Optical bistability, multistability, and switching, including local field effects)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 10934010 and 60978019).

Corresponding Authors: Wu Bao-Jun
E-mail: dabaoski@126.com

Cite this article:

Wu Bao-Jun (吴宝俊), Cui Fu-Cheng (崔傅成) Atom-loss-induced quantum optical bi-stability switch 2012 Chin. Phys. B 21 103701

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