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《2015.ACS Photonics.2.465.(Hybrid Plasmonic Photonic Crystal Cavity for Enhancing Emission from near-Surface Nitrogen Vacancy Centers in Diamond)英文文獻資料》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、Letterpubs.acs.org/journal/apchd5HybridPlasmonicPhotonicCrystalCavityforEnhancingEmissionfromnear-SurfaceNitrogenVacancyCentersinDiamond?,⊥????§ShanyingCui,XingyuZhang,Tsung-liLiu,JonathanLee,DavidBracher,KenichiOhno,∥,?DavidAwschalom,andEvelynL.Hu*?SchoolofEngineeringa
2、ndAppliedSciences,HarvardUniversity,Cambridge,Massachusetts02138,UnitedStates?DepartmentofPhysics,HarvardUniversity,Cambridge,Massachusetts02138,UnitedStates§DepartmentofPhysics,UniversityofCalifornia,SantaBarbara,California93106,UnitedStates∥InstituteforMolecularEngine
3、ering,UniversityofChicago,Chicago,Illinois60637,UnitedStates*SSupportingInformationABSTRACT:Opticalcavitiescreateregionsofhigh?eldintensity,whichcanbeusedforselectivespectralenhancementofemitterssuchasthenitrogenvacancycenter(NV)indiamond.Thisreportdiscussesahybridmetal
4、?diamondphotoniccrystalcavity,whichprovidesgreaterlocalizationoftheelectric?eldthandielectriccavitiesandmitigatesmetal-relatedlossesinexistingplasmonicstructures.Wefabricatedsuchhybridstructuresusingsilverandsingle-crystaldiamondandobservedemissionenhancementofNVsnearth
5、ediamondsurface.Wemeasuredamodequalityfactor(Q)ashighas170withasimulatedmodevolumeof～0.1(λ/n)3anddemonstrateditstunability.Thiscavitydesignandtheassociatedfabricationapproachspeci?callytargetenhancementofemissionfromnear-surfaceNVs.KEYWORDS:plasmonics,photoniccrystal,op
6、ticalcavities,nitrogenvacancycentersegativelychargednitrogenvacancycenters(NVs)in(Q≈100),suchhybridcavitieshavebetter?eldcon?nementNthandielectriccavities,withtypicalV<0.1(λ/n)3,leadingtodiamondhavegarneredmuchattentioninrecentyears1,2fortheirapplicationsinnanoscalemagn
7、etometryandPurcellenhancementcomparabletoall-diamondcavities.This3reportdiscussesthefabricationandperformanceofsuchapotentialforquantuminformationtechnologies.Forexternalmagnetometry,NVcentersshouldbeplacedascloseashybridplasmonicphotoniccrystalcavity,implementedusingpo
8、ssibletothediamondsurface,whichservesastheinterfacediamondnanopillarsandasilversubstrate.WemeasuredQwithanexte
