Abstract

Two semiconductor single-mode waveguides have been fabricated to study the photorefractive effect in epilayers grown on an InP:Fe substrate. The first experimental results obtained in these structures are reported. At 1.55-μm wavelength, a 0.53-cm−1 gain is observed in contradirectional two-wave mixing and a 4-cm−1 gain is measured in codirectional two-wave mixing with a 5.7-kV/cm applied field. The gain dependence versus the light intensity and the applied field is also discussed.

© 1995 Optical Society of America

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