Realization of lasing without inversion in the system with lower-level coherence

Zhen-Fei Luo; Zhizhan Xu

doi:10.1117/12.155782

10 September 1993 Realization of lasing without inversion in the system with lower-level coherence

Zhen-Fei Luo, Zhizhan Xu

Proceedings Volume 1928, International Symposium on Laser-Plasma Interactions; (1993) https://doi.org/10.1117/12.155782
Event: Laser-Plasma Interactions: the International Symposium, 1992, Shanghai, China

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.

Citation Download Citation

Zhen-Fei Luo and Zhizhan Xu "Realization of lasing without inversion in the system with lower-level coherence", Proc. SPIE 1928, International Symposium on Laser-Plasma Interactions, (10 September 1993); https://doi.org/10.1117/12.155782

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