Experimental evidence of Bloch surface waves on photonic crystals with thin-film LiNbO3 as a top layer

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    摘要 Strongnonlinear,electro-optical,andthermo-opticalpropertiesoflithiumniobate(LN)havegainedmuchattention.However,theimplementationofLiNbO3inrealdevicesisnotatrivialtaskduetodifficultiesinmanufacturingandhandlingthin-filmLN.Inthisstudy,weinvestigateanopticaldevicewheretheBlochsurfacewave(BSW)propagatesonthethin-filmLNtounlockitsproperties.First,accesstotheLNfilmfromair(oropenspace)isimportanttoexploititsproperties.Second,forsustainingtheBSW,one-dimensionalphotoniccrystal(1DPhC)isnecessarytobefabricatedunderthethin-filmLN.Weconsidertwomaterialplatformstorealizesuchadevice:bulkLNandcommercialthin-filmLN.Clearreflectancedipsobservedinfar-fieldmeasurementsdemonstratethepropagationofBSWsontopoftheLNsurfaceofthedesigned1DPhCs.
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    出版日期 2017年06月16日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)
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