Amplification of amplitude modulated signals in a self-pumped photorefractive phase conjugator

Paul Michael Petersen; Preben Buchhave

doi:10.1117/12.24566

1 February 1991 Amplification of amplitude modulated signals in a self-pumped photorefractive phase conjugator

Proceedings Volume 1362, Physical Concepts of Materials for Novel Optoelectronic Device Applications II: Device Physics and Applications; (1991) https://doi.org/10.1117/12.24566
Event: Physical Concepts of Materials for Novel Optoelectronic Device Applications, 1990, Aachen, Germany

Abstract

The properties of a self-pumped photorefractive phase conjugator as an amplifier of amplitude modulated signal beams are investigated. In principle the crystal acts as a self-adjusting beam combiner which allows homodyne detection of the weaksignalbeam superimposed on a stronger reference beam. In our experiments the mixing takes placevia a four wave interaction process in the crystal. In this paperwe investigate the salient characteristics ofthe self-pumped phase conjugate amplifier and explain details of the beam interaction inside the ciystal.

Citation Download Citation

Paul Michael Petersen and Preben Buchhave "Amplification of amplitude modulated signals in a self-pumped photorefractive phase conjugator", Proc. SPIE 1362, Physical Concepts of Materials for Novel Optoelectronic Device Applications II: Device Physics and Applications, (1 February 1991); https://doi.org/10.1117/12.24566

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