Realisation of four-wave mixing phase matching for frequency components at intracavity stimulated Raman scattering in a calcite crystal

The possibilities of implementing four-wave mixing (FWM) phase matching at stimulated Raman scattering (SRS) in a birefringent SRS-active crystal placed in a cavity with highly reflecting mirrors have been theoretically and experimentally investigated. Phase-matching angles providing conditions for...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2013-01, Vol.43 (6), p.512-518
Main Authors: Smetanin, S.N., Fedin, A.V., Shurygin, A.S.
Format: Article
Language:English
Subjects:
birefringent SRS-active crystal
CALCITE
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
CRYSTALS
Fluid flow
Four-wave mixing
FREQUENCY MIXING
Holes
INCIDENCE ANGLE
MIRRORS
OPTICAL PUMPING
Phase matching
POLARIZATION
RAMAN EFFECT
Raman scattering
stimulated Raman scattering
vector matching
WAVELENGTHS
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Summary:The possibilities of implementing four-wave mixing (FWM) phase matching at stimulated Raman scattering (SRS) in a birefringent SRS-active crystal placed in a cavity with highly reflecting mirrors have been theoretically and experimentally investigated. Phase-matching angles providing conditions for five types of phase matching are determined for a calcite crystal. These types are characterised by different combinations of polarisation directions for the interacting waves and ensure FWM generation of either an anti-Stokes wave or the second Stokes SRS component. In agreement with the calculation results, low-threshold generation of the second Stokes SRS component with a wavelength was observed at angles of incidence on a calcite crystal of and , under SRS pumping at a wavelength of . This generation is due to the FWM coupling of the first and second Stokes SRS components with the SRS-pump wave.
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2013v043n06ABEH015019