Ienversionless gain in an optically-dense resonant Doppler-broadened medium

Details Ienversionless gain in an optically-dense resonant Doppler-broadened medium Ienversionless gain in an optically-dense resonant Doppler-broadened medium

2000-08-09

arxiv.org/abs/physics/0008021v1

Optics Express v.7, No3, 148 (2000), http://epubs.osa.org/oearchive/source/22947.htm

Physics

Optics

7 pages, 12 eps figures. Video/audio clips of the related virtual experiments are available on http://kirensky.krasn.ru/popov/

Scientific paper

Resonant nonlinear-optical interference processes in four-level Doppler-broadened media are studied. Specific features of amplification and optical switching of short-wavelength radiation in a strongly-absorbing resonant gas under coherent quantum control with two longer wavelength radiations, are investigated. The major outcomes are illustrated with virtual experiments aimed at inversionless short-wavelength amplification, which also address deficiencies in this regard in recent experiments. With numerical simulations related to the proposed experiment in optically-dense sodium dimer vapor, we show optimal condition for optical switching and the expected gain of the probe radiation, which is above the oscillation threshold.

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