摘要
Localizedmodesinone-dimensional(1D)mediawithuniaxialscatterersthatareassumedtobeorderinspatiallocationbutdisorderinspatialorientationoftheiropticalaxisareinvestigated.Basedontheholisticeffectmodelinrandomlaser,i.e.,therandomlaserisduetotheinteractionofthecomplexlocalizedmodesinactiverandommediawithlocalaperiodicquasi-structurewithappropriatepumplight,aphysicalmodelonthistypeofrandommediaisfound.ItsdisorderdegreeisdefinedbyD=n_o/n_e.Then,thetypicaltransmissionspectrumthroughtherandommediaandthelightfieldintensitydistributioncorrespondingtothedefectmodesinphotonicband-gaparecalculatednumericallybymeansofthetransfermatrixmethod,andtheconditionthatthelocalizedmodeappearsisdiscussed.Resultsshowthatthemediumdisorderplaysanimportantroleindeterminingthelightwavestate.Thelocalizedstateappearswhenthemediumdisorderisstrongenough,andanewmechanismcreatingrandomlaserphenomenonisbroughtforward.
出版日期
2008年08月18日（中国期刊网平台首次上网日期，不代表论文的发表时间）
