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Proceedings Paper

Free space optical communication link using a silicon photonic optical phased array
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Paper Abstract

Many components for free space optical communication systems have shrunken in size over the last decade. However, the steering systems have remained large and power hungry. Non-mechanical beam steering offers a path to reducing the size of these systems. Optical phased arrays can allow integrated beam steering elements. One of the most important aspects of an optical phased array technology is its scalability to a large number of elements. Silicon photonics can potentially offer this scalability using CMOS foundry techniques. In this paper a small-scale silicon photonic optical phased array is demonstrated for both the transmitter and receiver functions in a free space optical link. The device using an array of thermo-optically controlled waveguide phase shifters and demonstrates one-dimensional steering with a single control electrode. Transmission of a digitized video data stream over the link is shown.

Paper Details

Date Published: 16 March 2015
PDF: 6 pages
Proc. SPIE 9354, Free-Space Laser Communication and Atmospheric Propagation XXVII, 93540B (16 March 2015); doi: 10.1117/12.2077222
Show Author Affiliations
William S. Rabinovich, U.S. Naval Research Lab. (United States)
Peter G. Goetz, U.S. Naval Research Lab. (United States)
Marcel Pruessner, U.S. Naval Research Lab. (United States)
Rita Mahon, U.S. Naval Research Lab. (United States)
Mike S. Ferraro, U.S. Naval Research Lab. (United States)
Doe Park, U.S. Naval Research Lab. (United States)
Erin Fleet, U.S. Naval Research Lab. (United States)
Michael J. DePrenger, U.S. Naval Research Lab. (United States)


Published in SPIE Proceedings Vol. 9354:
Free-Space Laser Communication and Atmospheric Propagation XXVII
Hamid Hemmati; Don M. Boroson, Editor(s)

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