简介：Aperiodiclayeredmedium,withunitcellsconsistingofadielectricandanelectromagnetically-inducedtransparency(EIT)-basedatomicvapor,isdesignedforlightpropagationmanipulation.Consideringthatadestructivequantuminterferencerelevanttoatwo-photonresonanceemergesinEIT-basedatomsinteractingwithbothcontrolandprobefields,anEIT-basedperiodiclayeredmediumexhibitsaflexiblefrequency-sensitiveopticalresponse,whereaverysmallvariationintheprobefrequencycanleadtoadrasticvariationinreflectanceandtransmittance.ThepresentEIT-basedperiodiclayeredstructurecanresultincontrollableopticalprocessesthatdependsensitivelyontheexternalcontrolfield.Thetunableandsensitiveopticalresponseinducedbythequantuminterferenceofamulti-levelatomicsystemcanbeappliedinthefabricationofnewphotonicandquantumopticaldevices.Thismaterialwillalsoopenagoodperspectivefortheapplicationofsuchdesignsinseveralnewfields,includingphotonicmicrocircuitsorintegratedopticalcircuits.