EXTERNAL-FIELD-INDUCED COHERENCE AND LASING WITHOUT INVERSION: THE V-TYPE SYSTEM | Zendy

Zhenfei Luo | Zendy; Zhizhan Xu | Zendy

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EXTERNAL-FIELD-INDUCED COHERENCE AND LASING WITHOUT INVERSION: THE V-TYPE SYSTEM

Author(s) -

Zhenfei Luo,

Zhizhan Xu

Publication year - 1993

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.42.252

Subject(s) - lasing threshold , inversion (geology) , coherence (philosophical gambling strategy) , atomic system , density matrix , population inversion , physics , atomic coherence , realization (probability) , quantum mechanics , atomic physics , laser , quantum , mathematics , paleontology , structural basin , biology , statistics

The conditions for realizing lasing without inversion are investigated via density matrix method in bare and dressed states in the V-type closed lifetime-broadened system where atomic coherence is induced by an external electromagnetic field. It is shown that a proper choice of pumping rate may lead to the realization of lasing without inversion.

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