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A composite phase conjugator based on Brillouin-enhanced four-wave mixing combining with stimulated Brillouin amplification

Published online by Cambridge University Press:  08 December 2009

C.Y. Zhu ,
Z.W. Lu  and
W.M. He
C.Y. Zhu
Affiliation:
Institute of Opto-electronics, Harbin Institute of Technology, Harbin, China
Z.W. Lu*
Affiliation:
Institute of Opto-electronics, Harbin Institute of Technology, Harbin, China
W.M. He
Affiliation:
Institute of Opto-electronics, Harbin Institute of Technology, Harbin, China
*
Address correspondence and reprint requests to: Zhi Wei Lu, Institute of Opto-Electronics, Harbin Institute of TechnologyP.O. Box 30031, Harbin 150080, China. E-mail: zw_lu@sohu.com
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Abstract

A novel composite optical phase conjugator that combines Brillouin-enhanced four-wave mixing (BEFWM) and stimulated Brillouin amplification (SBA) in a compact structure is reported. A phase-conjugate wave seed is generated by BEFWM process with characteristics such as fast response, high conjugate fidelity and stability, then it is magnified by SBA with high energy-conversion efficiency. As a result, advantages of BEFWM and SBS can be realized at the same time. This composite conjugator has potentials for high-peak and high-average power laser applications, especially for short pulse or steep leading-edge pulse laser systems. Feasibility of this BEFWM-SBA mechanism is verified in theoretical simulations and demo experiments.

Keywords

Brillouin-enhanced four-wave mixingComposite phase conjugatorHigh-power laserOptical phase conjugationStimulated Brillouin scattering
Type
Research Article
Information
Laser and Particle Beams , Volume 27 , Issue 4 , December 2009 , pp. 681 - 687
Copyright
Copyright © Cambridge University Press 2009

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