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Exciton enhanced photonic switching in GaAs-AlGaAs multiple quantum well (MQW) etalons integrated with quaterwave stacks is demonstrated. For logical AND operation an on-off-ratio of 10 : 1 is achieved at 1 mW control power. An inverting switching characteristic of 4 : 1 is obtained employing an anti-reflection multilayer.
© 1989 Optical Society of America
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