摘要
Acoherentcombinationofemissionpowerfromanarrayofcoupledsemiconductorlasersoperatingonthesamechipisoffundamentalandtechnologicalimportance.Ingeneral,thenonlinearcompetitionamongthearraysupermodescanentailincoherenceandspectralbroadening,leadingtoaspatiotemporallyunstableandmultimodeemissionpatternandthuspoorbeamquality.Here,byharnessingnotionsfromsupersymmetric(SUSY)quantummechanics,wereportthatthestrategiccouplingbetweenaclassIII-Vsemiconductormicroringlaserarraywithitsdissipativesuperpartnercanbeusedtolimitthenumberofsupermodesavailableforlaseractionstoone.Weintroduceanovelapproachbasedonsecond-orderSUSYtransformationinordertodrasticallysimplifythesuperpartnerarrayengineering.Comparedtoaconventionallaserarray,whichhasamultimodespectrum,aSUSYlaserarrayisobservedtobecapableofoperatinginasingle(transverse)supermode.EnhancementofthepeakoutputintensityoftheSUSYlaserarrayhasbeendemonstratedwithhighefficiencyandlowerlasingthreshold,comparedwithasinglelaserandaconventionallaserarray.Ourexperimentalfindingspavethewaytowardsbroad-areaandhigh-powerlightgenerationinascalableandstablefashion.
出版日期
2019年03月13日（中国期刊网平台首次上网日期，不代表论文的发表时间）
