Quenching of spontaneous emission via quantum interference

Hwang Lee, Pavel Polynkin, Marlan O. Scully, Shi-Yao Zhu

Research output: Contribution to journalJournal articlepeer-review

204 Citations (Scopus)

Abstract

A four-level atom, driven by a coherent field, is considered. We show that under certain conditions complete quenching of spontaneous emission is possible. Hence the population inversion on some specific atomic transitions can be created using a very weak incoherent pumping. We investigate the physics of the effect using bare and dressed states. The proposed scheme may be useful, in principle, for generation of high-frequency and/or high power laser light.

Original languageEnglish
Pages (from-to)4454-4465
Number of pages12
JournalPhysical Review A
Volume55
Issue number6
DOIs
Publication statusPublished - Jun 1997

Scopus Subject Areas

  • Atomic and Molecular Physics, and Optics

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