Journal
OPTICS LETTERS
Volume 39, Issue 15, Pages 4575-4578Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.39.004575
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Funding
- Toyota Central R&D Labs., Inc. (TCRDL)
- Defense Advanced Research Projects Agency (DARPA) Microsystems Technology Office's (MTO) EPHI program [HR0011-12-2-0007]
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We demonstrate an on-chip optical phased array fabricated in a CMOS compatible process with continuous, fast (100 kHz), wide-angle (51 degrees) beam-steering suitable for applications such as low-cost LIDAR systems. The device demonstrates the largest (51 degrees) beam-steering and beam-spacing to date while providing the ability to steer continuously over the entire range. Continuous steering is enabled by a cascaded phase shifting architecture utilizing, low power and small footprint, thermo-optic phase shifters. We demonstrate these results in the telecom C-band, but the same design can easily be adjusted for any wavelength between 1.2 and 3.5 mu m. (C) 2014 Optical Society of America
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