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An integrated linear optical-phased array with five switchable beams at a spacing of 15$^\circ$ operating at the standard telecommunication wavelength of $1.55\ \mu \text{m}$ is proposed, and numerically studied. To realize the desired phase shift between adjacent antenna elements, a plasmonic Rotman lens is designed. In order to conduct power into a selected input port, a graphene-based power splitter...
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