摘要
Metal-semiconductor-metalphotodetectorsonsemi-insulatingGaAswithinterdigitalelectrodesshowedsignificantenhancementinthespectralresponseinthenear-infraredregionastheelectrodespacingisreduced.Thephotocurrentforthedevicewith5μminterdigitalspacingisfiveordersofmagnitudehigherthanthedarkcurrent,andtheroomtemperaturedetectivityisontheorderof2.4×1012cmHz1∕2W-1at5Vbias.Furthermore,thespectralresponseofthisdevicepossessesstrongdependenceonthepolarizationofincidentlightshowingpotentialplasmoniceffectswithonlymicroscaledimensions.Theseexperimentaldatawereanalyzedusingopticalsimulationtoconfirmtheresponseofthedevices.
出版日期
2015年01月11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)