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Proceedings Paper

Energy Transfer Experiments With Photorefractive Inp:Fe Crystals Under Dc Fields : Two Gain Enhancement Methods
Author(s): C. Ozkul; G. Picoli; P. Gravey; J. Le Rouzic
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Paper Abstract

The exponential gain of two-beam coupling in InP:Fe crystals under dc fields is a function of the pump beam intensity at a given temperature. We propose two methods in order to extend the sample volume working under optimum conditions. The first method is based on a negative thermal gradient and the second uses an auxiliary incoherent beam. Theoretical simulations predict an integrated gain of 15cm-1 and 10cm-1 respectively (for λ=1.06pm, λ=5μm and 0° =10kV/cm) in thick crystals (L=5mm) . Preliminary experimental results confirm that high gain performances can be achieved by using these methods.

Paper Details

Date Published: 5 February 1990
PDF: 14 pages
Proc. SPIE 1151, Optical Information Processing Systems and Architectures, (5 February 1990); doi: 10.1117/12.962254
Show Author Affiliations
C. Ozkul, University of Rouen (France)
G. Picoli, CNET (France)
P. Gravey, CNET (France)
J. Le Rouzic, CNET (France)

Published in SPIE Proceedings Vol. 1151:
Optical Information Processing Systems and Architectures
Bahram Javidi, Editor(s)

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