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Proceedings Paper

RF performance of optical injection locking
Author(s): Robert Lodenkamper; Thomas Jung; Richard L. Davis; Lawrence J. Lembo; Ming C. Wu; John C. Brock
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Paper Abstract

Coherent photonic systems promise novel functionality and/or improved performance compared to direct detection photonic system, but have the disadvantage of being sensitive to optical phase noise. The most common approach to this problem is to force one laser to track the phase of the other with a phase locked loop (PLL), so that the phase noise of the lasers cancels out of the RF heterodyne beat note. Although the PLL approach has been implemented for semiconductor lasers, the large linewidth of these lasers and the resulting large PLL loop bandwidth severely constrain the design and limit performance. This disadvantage of the PLL approach is particularly relevant for many applications, since semiconductor lasers are preferred for system insertion.

Paper Details

Date Published: 3 November 1998
PDF: 10 pages
Proc. SPIE 3463, Photonics and Radio Frequency II, (3 November 1998); doi: 10.1117/12.330390
Show Author Affiliations
Robert Lodenkamper, TRW, Inc. (United States)
Thomas Jung, TRW, Inc. (United States)
Richard L. Davis, TRW, Inc. (United States)
Lawrence J. Lembo, TRW, Inc. (United States)
Ming C. Wu, Univ. of California/Los Angeles (United States)
John C. Brock, TRW, Inc. (United States)


Published in SPIE Proceedings Vol. 3463:
Photonics and Radio Frequency II
Gregory J. Zagar; Anastasios P. Goutzoulis; Andrew R. Pirich, Editor(s)

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