nphoton.2015.17(Controlling light with metamaterial-based nonlinear photonic crystals)英文文献资料

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1、LETTERSPUBLISHEDONLINE:16FEBRUARY2015

2、DOI:10.1038/NPHOTON.2015.17Controllinglightwithmetamaterial-basednonlinearphotoniccrystalsNadavSegal*,ShayKeren-Zur,NettaHendlerandTalEllenbogen*SincetheseminalpaperbyBloembergenandcolleaguesonofthegeneratedbeams23andtheirspatialsh

3、ape24,25.Moreover,nonlinearopticalinteractions1,thisfieldhassuppliedsomeofNLPCscanbeusedforactivedevices26andtheefficientgenerationthemostimportantcontributionstooptics-relatedscienceofentangledphotonpairs27.andapplications,includingtheexceptionalabilitytogenerateMerging

4、thepowerofNLPCstocontrolnonlinearinteractionscoherentlightthroughouttheopticalspectrum2–4.Recently,awiththepotentialofmetamaterialsforartificialopticalnewfamilyofnanostructuredopticalmaterials,socalledmanipulationopensthedoortonewfundamentalresearchandmetamaterials,with

5、artificialeffectivenonlinearitieshasbeennewpossibilitiestocontrolnonlinearinteractionsinmetamaterials,demonstrated5–10.ControllingtheirnonlinearoutputhastheasshowninthisLetter.Itcanalsobeusedtoachieveefficientquasi-potentialtoopenupawholenewareaoffundamentalresearchphase

6、-matchednonlinearinteractions,whichcanincreasethetotalandleadtothedevelopmentofefficient,active,integratedconversionefficiencybyordersofmagnitude(Supplementaryandultra-compactnonlinearopticaldevices.Here,weexperi-SectionIV)inordertodevelopnonlinearmetamaterialsthataremen

7、tallydemonstrateunprecedentedcontroloverthenon-viablefordeviceapplications.linearemissionfrommetamaterialsbyconstructingthefirstThenonlinearmetamaterialwehaveusedtocreatenonlinearnonlinearmetamaterial-basedphotoniccrystals.Wespecifi-metamaterial-basedphotoniccrystals(NLM

8、PCs)wasbuiltfromcallydemonstrateengineerednonlineardiffractionandall-tightlypackedsplit-ringresonators(SRRs).SRRswerechosenopticalscanning,enablingultra-wideangularscanningofthebecause,inadditiontotheirmagnetismatopticalfrequenciesnonlinearoutputfromthemetamaterial.Wea

9、lsodemonstrate(enablingmaterialswithnegativepermeability14),theyexhibitintensefocusingofthenonlinearsignaldirectlyfro