High Two Wave Mixing Gain (11.4 cm[sup]-1[/sup]) In Photorefractive InP:Fe By Using Dc Field

Ph. Gravey; G. Picoli; C. Ozkul; N. Wolffer

doi:10.1117/12.961425

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22 December 1989 High Two Wave Mixing Gain (11.4 cm^-1) In Photorefractive InP:Fe By Using Dc Field

Ph. Gravey, G. Picoli, C. Ozkul, N. Wolffer

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Proceedings Volume 1127, Nonlinear Optical Materials II; (1989) https://doi.org/10.1117/12.961425
Event: 1989 International Congress on Optical Science and Engineering, 1989, Paris, France

Abstract

We present measurements of the steady-state two-wave mixing gain in photorefractive InP:Fe crystals cooled with a Peltier cell, as a function of fringe spacing, external d.c. field and pump intensity. High gain values (up to 11.4 cm-1 at 10 kV/cm) can be obtained with an accurate control of pump intensity and sample temperature. Such behaviour can be explained with a new model which predicts a new resonance mechanism yielding a strong en-hancement of the gain for a critical intensity.

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Ph. Gravey, G. Picoli, C. Ozkul, and N. Wolffer "High Two Wave Mixing Gain (11.4 cm^-1) In Photorefractive InP:Fe By Using Dc Field", Proc. SPIE 1127, Nonlinear Optical Materials II, (22 December 1989); https://doi.org/10.1117/12.961425

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