Effect of polariton propagation on spectra of SRS amplification and CARS from polaritons

The properties of k spectra of SRS amplification and CARS from polaritons caused by 'running out' of polaritons from the volume of their interaction with incident light beams are theoretically analysed. It is shown that the shape and width of the spectra depend on the relation between the...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2001-10, Vol.31 (10), p.909-914
Main Authors: Orlov, Sergei N, Polivanov, Yurii N
Format: Article
Language:English
Subjects:
AMPLIFICATION
BEAMS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COHERENT SCATTERING
CRYSTALS
DECAY
ELECTROMAGNETIC RADIATION
EMISSION
ENERGY-LEVEL TRANSITIONS
LINE WIDTHS
MEAN FREE PATH
PHOTON BEAMS
POLARONS
QUASI PARTICLES
RADIATIONS
RAMAN SPECTRA
SCATTERING
SPECTRA
STIMULATED EMISSION
VISIBLE RADIATION
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Summary:The properties of k spectra of SRS amplification and CARS from polaritons caused by 'running out' of polaritons from the volume of their interaction with incident light beams are theoretically analysed. It is shown that the shape and width of the spectra depend on the relation between the size of the overlap region of exciting waves in a crystal along the direction of polariton propagation and the mean free path of polaritons. The conditions are found under which the widths of SRS amplification and CARS spectra give information on the polariton decay. (nonlinear optical phenomena and devices)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2001v031n10ABEH002074