Photorefractive amplification and generation of light beams in BaTiO3 controlled by the intensity of the pump light

Autor(en): Neumann, J
Rowe, M
Kratzig, E
Stichwörter: CRYSTALS; Optics; PARAMETRIC SCATTERING; Physics; Physics, Applied
Erscheinungsdatum: 1998
Herausgeber: SPRINGER VERLAG
Journal: APPLIED PHYSICS B-LASERS AND OPTICS
Volumen: 67
Ausgabe: 1
Startseite: 73
Seitenende: 77
Zusammenfassung: 
We demonstrate a new method of amplification and generation of light beams in BaTiO3 by photorefractive forward four-wave mixing. The intensity of a signal beam is amplified by a factor up to 3000, We show that heating of the crystal by absorption of the pump light influences the gain be cause of the thermo-optic effect. Thus both, amplification and generation can be controlled by the intensities of the pump beams.
ISSN: 09462171
DOI: 10.1007/s003400050477

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