4.铌酸锂纳米线Ultra thin high index contrast photonic crystal slabs in lithium niobate

《4.铌酸锂纳米线Ultra thin high index contrast photonic crystal slabs in lithium niobate》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、OpticalMaterials33(2010)19–21ContentslistsavailableatScienceDirectOpticalMaterialsjournalhomepage:www.elsevier.com/locate/optmatUltrathinhighindexcontrastphotoniccrystalslabsinlithiumniobatea,*abbbHolgerHartung,Ernst-BernhardKley,ThomasGischkat,FrankSchrempel,WernerWesch

2、,aAndreasTünnermannaInstituteofAppliedPhysics,Friedrich-Schiller-UniversityJena,Max-Wien-Platz1,07743Jena,GermanybInstituteofSolidStatePhysics,Friedrich-Schiller-UniversityJena,Max-Wien-Platz1,07743Jena,GermanyarticleinfoabstractArticlehistory:Wepresentforthefirsttimether

3、ealizationofafreestandingphotoniccrystalslabwithathicknessofReceived19April2010450nminlithiumniobate.Theairslotunderneaththemembraneaswellastheairholes,constitutingReceivedinrevisedform1July2010thephotoniccrystaltherein,arerealizedbytheapplicationofionbeamenhancedetching

4、ontobulklith-Accepted16July2010iumniobate.Theindexdifferenceof1.2andthesmallmembranethicknessallowforaverystrongver-Availableonline21August2010ticalconfinementofthelightandasinglemodewaveguidebehaviorðk¼1550nmÞatthesametime.Aphotoniccrystalstructureina5mmlongmembrane,susp

5、endedinair,isshown.Keywords:Ó2010ElsevierB.V.Allrightsreserved.LithiumniobatIonirradiationPhotoniccrystalFabrication1.Introduction[11],onaBCB(polymerbenzocyclobutene)layeraverticalindexcontrastof0.65wasobtained.TheholedrillingwasrealizedbyLithiumniobateisamaterialofhighi

6、nterestinintegratedop-meansofFIB.Themaximumindexcontrastwererealizedbythetics,nonlinearopticsandapplicationsmakinguseofitshighelec-combinationofFIBmillingandslabfabricationbyionirradiationtroopticalcoefficient.Theinterplayofthosebeneficialpropertiesandwetetching[12].Thefab

7、ricatedslabthicknessof2lmgowithaphotonicbandgapstructureopensthewayfornumerousagainsttheneedforsinglemodewaveguidebehaviorinverticalnovelapplications.Iliewetal.[1]presentedtheoreticalstudiesdirectionforphotoniccrystalelements.aboutanenhancedsecondharmonicgenerationbasedo

8、nthebandRecentlyithasbeenshownthationbeamenhancedetchingstructureinalithiumniobatephotoniccrystalslab.T