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Optimization of Bandgap Wavelength of a Semiconductor Optical Amplifier for Cross Index Modulation at 1.55 μm wavelength

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Abstract

The semiconductor optical amplifier (SOA) on InP offers a degree of multi-functionality promising for the realization of all-optical functions for future optical networks. SOAs are currently investigated for all-optical switching e.g. in cross-connects of optical frequency multiplex systems. SOA-based frequency converters in an interferometric configuration, as demonstrated by Durhuus et al. [1], have the advantage of high extinction ratio and moderate pump-power requirements. In such arrangements, the pump-pulse induced change in refractive index is the basic mechanism for the signal-conversion from the pump-wavelength to the probe-wavelength.

© 1995 Optical Society of America

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