Quenching of spontaneous emission via quantum interference

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

Research output: Contribution to journalArticlepeer-review

203 Scopus citations

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 (US)
Pages (from-to)4454-4465
Number of pages12
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume55
Issue number6
DOIs
StatePublished - 1997
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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