Wide Band Terahertz Wave Amplitude Modulator by Photo-doped Germanium with Graphene

来源 :The 7th UK/Europe-China Workshop on Millimeter Waves and Ter | 被引量 : 0次 | 上传用户:jiangchong122
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  In this presentation,we experimentally demonstrate a broadband amplitude modulator based on deposition of graphene on germanium(GOG)in the terahertz(THz)region.We observed a wide band tunability of the THz transmission and a maximum modulation speed of~100 kHz at 220GHz.
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