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Proceedings Paper

Realization of lasing without inversion in the system with lower-level coherence
Author(s): Zhen-Fei Luo; Zhizhan Xu
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Paper Abstract

It is shown that the ladder system with lower-level coherence may be used to obtain lasing without inversion. The present model system has several important features. (1) No requirement is placed on atomic decay rates. (2) The Rabi frequency of coherence-driving field must exceed a lower threshold. (3) An unidirectional pumping is indispensable. (4) A dressed-state-coherence origin of gain is proved without strong coherence-driving field approximation.

Paper Details

Date Published: 10 September 1993
PDF: 5 pages
Proc. SPIE 1928, International Symposium on Laser-Plasma Interactions, (10 September 1993); doi: 10.1117/12.155782
Show Author Affiliations
Zhen-Fei Luo, Shanghai Institute of Optics and Fine Mechanics (China)
Zhizhan Xu, Shanghai Institute of Optics and Fine Mechanics (China)

Published in SPIE Proceedings Vol. 1928:
International Symposium on Laser-Plasma Interactions
ZhiJiang Wang; Zhizhan Xu, Editor(s)

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