Optimisation Of Two And Four Wave Mixing Processes In Photorefractive Materials

K Walsh; P D Foote; T J Hall

doi:10.1117/12.941606

6 October 1987 Optimisation Of Two And Four Wave Mixing Processes In Photorefractive Materials

K Walsh, P D Foote, T J Hall

Proceedings Volume 0812, Progress in Holography; (1987) https://doi.org/10.1117/12.941606
Event: Fourth International Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, The Hague, Netherlands

Abstract

In this paper we discuss enhancement techniques for use with BSO and Ga As. These techniques include application of electric fields both a.c. and d.c. We consider the effects of crystal orientation and of beam polarisation and present results for two wave mixing in BSO and Ga As. For Ga As results we propose absorption gratings to fully explain our results. We show that the 43m structure of Ga As makes,it ideally suited for a four-wave mixing configuration with positive feedback.

Citation Download Citation

K Walsh, P D Foote, and T J Hall "Optimisation Of Two And Four Wave Mixing Processes In Photorefractive Materials", Proc. SPIE 0812, Progress in Holography, (6 October 1987); https://doi.org/10.1117/12.941606

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