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Optical Engineering • Open Access

Integrated high-speed digital optical true-time-delay line with embedded electrically switchable gratings
Author(s): Xuejun Lu; Suning Tang; Jibing Lin; Jennifer Cologrove; Yuanji Tang; X. Wang; Lei Zheng; James J. Foshee

Paper Abstract

A monolithically integrated high-speed true-time-delay line with embedded electrically switchable Bragg gratings was developed and characterized. Such a monolithically integrated device structure leads to a significantly reduced device size and allows a more precise RF phase control. A 40 ps reprogrammable optical true-time delay increment was acheived with a very fast switching speed of <50 µs.

Paper Details

Date Published: 1 May 2005
PDF: 2 pages
Opt. Eng. 44(5) 050505 doi: 10.1117/1.1906208
Published in: Optical Engineering Volume 44, Issue 5
Show Author Affiliations
Xuejun Lu, Univ. of Massachusetts/Lowell (United States)
Suning Tang, Crystal Research, Inc. (United States)
Jibing Lin, Crystal Research, Inc. (United States)
Jennifer Cologrove, Crystal Research, Inc. (United States)
Yuanji Tang, Crystal Research, Inc. (United States)
X. Wang, Crystal Research, Inc. (United States)
Lei Zheng, Univ. of Massachusetts/Lowell (United States)
James J. Foshee, Air Force Research Lab. (United States)


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