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Abstract

An optical phased array including a wafer, optical waveguides, a root optical waveguide, the root optical waveguide being optically connected at one end to one optical waveguide, another end of the root optical waveguide constituting an optical port, optical couplers disposed in an array and located on the wafer, the optical waveguides optically connecting the optical couplers to the optical port via respective optical paths, one optical path per optical coupler, configurable optical delay lines; each configurable optical delay line being disposed in one respective optical path from the respective optical paths; the configurable optical delay lines being configured such that the optical couplers emit a non-planar phase front near field radiation pattern from light received from a light source coupled to the optical port.

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First Claim