Parametric amplification of a coherent light wave in photorefractive BaTiO3 by a single pump beam

Autor(en): Neumann, J
Odoulov, S
Stichwörter: 2-WAVE; CRYSTALS; IMAGE AMPLIFICATION; NOISE; Optics
Erscheinungsdatum: 1997
Herausgeber: OPTICAL SOC AMER
Journal: OPTICS LETTERS
Volumen: 22
Ausgabe: 24
Startseite: 1858
Seitenende: 1860
Zusammenfassung: 
We demonstrate a new method of light amplification based on forward four-wave mixing in photorefractive BaTiO3. A single pump beam of combined (ordinary and extraordinary) polarization can be used for an efficient cw amplification of a signal wave with slightly shifted temporal frequency. initial power of less than 1 nW is amplified similar to 100 times in a 3.2-mm-thick sample. America.
ISSN: 01469592
DOI: 10.1364/OL.22.001858

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