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Semiconductor-laser amplifier as an optical controlled switch

: Grosskopf, G.; Ludwig, R.; Molt, R.; Weber, H.G.; Zhang, S.B.

Applied Physics. B 45 (1988), No.3, pp.171-174
ISSN: 0340-3793
ISSN: 0721-7269
ISSN: 0946-2171
ISSN: 1432-0649
Journal Article
Fraunhofer HHI ()
optical information processing; semiconductor junction lasers; switches; polarisation; optical controlled switch; semiconductor-laser amplifier; facet reflectivity; all-optical switch; optical data signal; extinction ratio; optical control signal; 100 mhz

The application of a semiconductor-laser amplifier with reduced facet reflectivity as all-optical switch is described. An optical data signal is switched on and off with an extinction ratio of 10 dB when an optical control signal is turned on and off. The two optical signals are polarized perpendicularly to each other. The device was operated up to 100 MHz.