Compact plasmon modulator based on the spatial control of carrier density in indium tin oxide
Xuefang Hu,
Sisi Yang,
Guangyu Zhou
et al.
Abstract:To keep pace with the demands of semiconductor integration technology, a semiconductor device should offer a small footprint. Here, we demonstrate a compact electro-optic modulator by controlling the spatial distribution of carrier density in indium tin oxide (ITO). The proposed structure is mainly composed of a symmetrical metal electrode layer, calcium fluoride dielectric layer, and an ITO propagating layer. The carrier density on the surface of the ITO exhibits a periodical distribution when the voltage is … Show more
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