Lasing without inversion: Gain enhancement through spectrally colored population pumping.
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We propose the use of spectrally colored rather than white (i.e., incoherent) population pumping in lasing-without-inversion schemes. We show that colored pumping can lead to a significant enhancement in gain by presenting explicit results for the gain in a three-level ladder system. These results are obtained from Monte Carlo simulations of the coupled density-matrix equations, which, for a colored pump, acquire the structure of Langevin equations. 1993 The American Physical Society.
author list (cited authors)
Agarwal, G. S., Vemuri, G., & Mossberg, T. W.
complete list of authors
Agarwal, GS||Vemuri, G||Mossberg, TW