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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 15 — Aug. 1, 2014
  • pp: 4575–4578

Integrated phased array for wide-angle beam steering

Ami Yaacobi, Jie Sun, Michele Moresco, Gerald Leake, Douglas Coolbaugh, and Michael R. Watts  »View Author Affiliations


Optics Letters, Vol. 39, Issue 15, pp. 4575-4578 (2014)
http://dx.doi.org/10.1364/OL.39.004575


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Abstract

We demonstrate an on-chip optical phased array fabricated in a CMOS compatible process with continuous, fast (100 kHz), wide-angle (51°) beam-steering suitable for applications such as low-cost LIDAR systems. The device demonstrates the largest (51°) 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 μm.

© 2014 Optical Society of America

OCIS Codes
(010.3640) Atmospheric and oceanic optics : Lidar
(110.5100) Imaging systems : Phased-array imaging systems
(140.3300) Lasers and laser optics : Laser beam shaping

ToC Category:
Remote Sensing and Sensors

History
Original Manuscript: April 25, 2014
Revised Manuscript: June 26, 2014
Manuscript Accepted: June 26, 2014
Published: July 30, 2014

Citation
Ami Yaacobi, Jie Sun, Michele Moresco, Gerald Leake, Douglas Coolbaugh, and Michael R. Watts, "Integrated phased array for wide-angle beam steering," Opt. Lett. 39, 4575-4578 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-15-4575


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