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Chin. Opt. Lett.
 Home  List of Issues    Issue 11 , Vol. 02 , 2004    Effects of phase fluctuation in an open four-level inversionless lasing system


Effects of phase fluctuation in an open four-level inversionless lasing system
Xijun Fan1, Mengzheng Zhu1, Zhengping Hong1, Shangqing Gong2, Zhizhan Xu2
1Department of Physics, Shandong Normal University, Ji'nan 2500142Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800

Chin. Opt. Lett., 2004, 02(11): pp.673-673-

DOI:
Topic:Quantum optics
Keywords(OCIS Code): 270.1670  270.3430  

Abstract
A steady analytical solution of an open four-level inversionless lasing system with a driving field having the phase fluctuation has been given, and the effects of the finite width due to the phase fluctuation on the gain, dispersion, and population difference have been analyzed by using the numerical simulation from the steady analytical solution. It is found that: with the linewidth increasing, the gain decreases and the absolute value of population difference between levels coupled by the probe field increases, but the variation of the linewidth cannot change the properties of the inversionless lasing and refractive index increase of the system; when the linewidth does not equal to zero, the system can still get a high refractive index with zero absorption, and these conclusions have very obvious difference from those obtained in other inversionless lasing systems.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Received:2004/2/24
Accepted:
Posted online:

Get Citation: Xijun Fan, Mengzheng Zhu, Zhengping Hong, Shangqing Gong, Zhizhan Xu, "Effects of phase fluctuation in an open four-level inversionless lasing system," Chin. Opt. Lett. 02(11), 673-673-(2004)

Note: This work was supported by the Key Laboratory for High Intensity Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences. X. Fan's e-mail address is fanxj108@beelink.com.



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