Abstract:We investigate an interdigitated nanograting structure on a GaAs substrate for plasmonic metal-semiconductormetal photodetector applications. This computational work has studied the effects that the taper angle of the nanograting sidewall and the light wave angle of incidence have on the optical and current enhancements in the device. The study, involving two types of taper angle structures-positive and negative-showed that both taper angle directions can generate more optical and electrical enhancements than … Show more
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