Abstract

A chip-scale optical source with integrated beam steering is demonstrated. The chip was fabricated using the hybrid silicon platform and incorporates an on-chip laser, waveguide splitter, amplifiers, phase modulators, and surface gratings to comprise an optical phased array with beam steering across a 12° field of view in one axis. Tuning of the phased array is used to achieve $1.8°(\text{steered axis})\times 0.6°(\text{nonsteered axis})$ beam width with 7 dB background suppression for arbitrary beam direction within the field of view.

© 2012 Optical Society of America

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