Compact all-optical switches based on photon-induced suppression of mode interference

(整期优先)网络出版时间:2006-02-12
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Anopticallyactivatedopticalswitchbasedonsuppressionofmodeinterference(SMI)ispresented.Theimagingpropertiesofmulti-modeinterference(MMI)sectionintheswitchwithY-branchcanbemodifiedbyacontrollinglightinjection.Theswitchwassimulatedbyfinitedifferencebeampropagationmethod(FD-BPM)andfabricatedonGaAlAs/GaAsepitaxialmaterials.Atthewavelengthof1.31μm,theprimaryexperimentshowedanextinctionratioofabout8dBwithcontrollinglightpowerdensityof73.5W/mm2.