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Controllable optical bistability of Bose–Einstein condensate in an optical cavity with Kerr medium |
| Zheng Qiang (郑强)a b, Li Sheng-Chang (栗生长)b, Zhang Xiao-Ping (张小平)c, You Tai-Jie (游泰杰)a, Fu Li-Bin (傅立斌)b |
a School of Mathematics and Computer Science, Guizhou Normal University, Guiyang 550001, China;
b Institute of Applied Physics and Computational Mathematics, Beijing 100088, China;
c Department of Engineering Physics, Tsinghua University, Beijing 100084, China |
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Abstract We study the optical bistability for a Bose-Einstein condensate of atoms in a driven optical cavity with Kerr medium. We find that both the threshold point of optical bistability transition and the width of optical bistability hysteresis can be controlled by appropriately adjusting the Kerr interaction between the photons. In particular, we show that the optical bistability will disappear when the Kerr interaction exceeds a critical value.
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Received: 28 November 2011
Revised: 05 December 2011
Accepted manuscript online:
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PACS:
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37.30.+i
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(Atoms, molecules, andions incavities)
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42.65.Pc
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(Optical bistability, multistability, and switching, including local field effects)
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42.50.Pq
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(Cavity quantum electrodynamics; micromasers)
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37.10.Jk
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(Atoms in optical lattices)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11065005 and 11105079) and the Governor's Foundation for Science and Education Elites of Guizhou Province, China. |
Corresponding Authors:
Fu Li-Bin
E-mail: lbfu@iapcm.ac.cn
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Cite this article:
Zheng Qiang (郑强), Li Sheng-Chang (栗生长), Zhang Xiao-Ping (张小平), You Tai-Jie (游泰杰), Fu Li-Bin (傅立斌) Controllable optical bistability of Bose–Einstein condensate in an optical cavity with Kerr medium 2012 Chin. Phys. B 21 093702
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