1、Nanophotonics 2018;7(6):959987Review articleSajid M.Choudhury,Di Wang,Krishnakali Chaudhuri,Clayton DeVault,Alexander V.Kildishev,Alexandra Boltasseva and Vladimir M.Shalaev*Material platforms for optical metasurfaceshttps:/doi.org/10.1515/nanoph-2017-0130Received December 20,2017;revised March 6,20
2、18;accepted March 22,2018Abstract:Optical metasurfaces are judicously engineered electromagnetic interfaces that can control and manipu-late many of lights quintessential properties,such as amplitude,phase,and polarization.These artificial sur-faces are composed of subwavelength arrays of optical an
3、tennas that experience resonant light-matter inter-action with incoming electromagnetic radiation.Their ability to arbitrarily engineer optical interactions has generated considerable excitement and interest in recent years and is a promising methodology for miniaturizing optical components for appl
4、ications in optical commu-nication systems,imaging,sensing,and optical manipu-lation.However,development of optical metasurfaces requires progress and solutions to inherent challenges,namely large losses often associated with the resonant structures;large-scale,complementary metal-oxide-sem-iconduct
5、or-compatible nanofabrication techniques;and incorporation of active control elements.Furthermore,practical metasurface devices require robust operation in high-temperature environments,caustic chemicals,and intense electromagnetic fields.Although these challenges are substantial,optical metasurface
6、s remain in their infancy,and novel material platforms that offer resilient,low-loss,and tunable metasurface designs are driving new and promising routes for overcoming these hurdles.In this review,we discuss the different material platforms in the literature for various applications of metasurfaces