Effects of Pump Phase Noise on the Linewidth of a Λ-Laser Without Inversion: Linewidth Reduction

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, , Citation Hu Xiang-ming and Peng Jin-sheng 1998 Chinese Phys. Lett. 15 571 DOI 10.1088/0256-307X/15/8/010

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1 Department of Physics, Huazhong Normal University, Wuhan 430079

Dates

  1. Received 17 February 1998
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Abstract

The effects of the pump phase fluctuation on a Λ-laser with and without inversion are investigated. It is shown that the pump phase fluctuation can reduce the linewidth of the laser without inversion. It is also shown that, when the system exhibits a transition from lasing without inversion to lasing with inversion, the laser linewidth can still be reduced.

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