Auxiliary-cavity-assisted vacuum Rabi splitting of a semiconductor quantum dot in a photonic crystal nanocavity

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摘要 Thecoherentlight-matterinteractionhasdrawnanenormousamountofattentionforitsfundamentalimportanceinthecavityquantum-electrodynamics(C-QED)fieldandgreatpotentialinquantuminformationapplications.Here,wedesignahybridC-QEDsystemconsistingofaquantumdot(QD)drivenbytwo-tonefieldsimplantedinaphotoniccrystal(PhC)cavitycoupledtoanauxiliarycavitywithasingle-modewaveguideandinvestigatethehybridsystemoperatingintheweak,intermediate,andstrongcouplingregimesofthelight-matterinteractionviacomparingtheQD-photoninteractionwiththedipoledecayrateandthecavityfielddecayrate.Theresultsindicatethattheauxiliarycavityplaysakeyroleinthehybridsystem,whichaffordsaquantumchanneltoinfluencetheabsorptionoftheprobefield.BycontrollingthecouplingstrengthbetweentheauxiliarycavityandthePhCcavity,thephenomenonoftheMollowtripletcanappearintheintermediatecouplingregime,andevenintheweakcouplingregime.WefurtherstudythestrongcouplinginteractionmanifestedbyvacuumRabisplittingintheabsorptionwithmanipulatingthecavity-cavitycouplingunderdifferentparameterregimes.ThisstudyprovidesapromisingplatformforunderstandingthedynamicsofQD-C-QEDsystemsandpavingthewaytowardon-chipQD-basednanophotonicdevices.
机构地区 不详
出处 《光子学研究:英文版》 2018年12期
出版日期 2018年12月22日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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