Universal single-mode lasing in fully chaotic two-dimensional microcavity lasers under continuous-wave operation with large pumping power [Invited]

(整期优先)网络出版时间:2017-06-16
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Forafullychaotictwo-dimensional(2D)microcavitylaser,wepresentatheorythatguaranteesboththeexistenceofastablesingle-modelasingstateandthenonexistenceofastablemultimodelasingstate,undertheassumptionsthatthecavitysizeismuchlargerthanthewavelengthandtheexternalpumpingpowerissufficientlylarge.Itistheoreticallyshownthattheseuniversalspectralcharacteristicsarisefromthesynergisticeffectoftwodifferentkindsofnonlinearities:deformationofthecavityshapeandmodeinteractionduetoalasingmedium.OurtheoryisbasedonthelinearstabilityanalysisofstationarystatesfortheMaxwell–Blochequationsandaccountsforsingle-modelasingphenomenaobservedinrealandnumericalexperimentsoffullychaotic2Dmicrocavitylasers.