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Proceedings Paper

Photonic RF-IF wideband down conversion using optical injection locking
Author(s): James R. Adleman; Chunyan L. Lin; Shai B. Jester; B. Melvin Pascoguin; Douglass C. Evans; Everett W. Jacobs
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Paper Abstract

We describe the implementation of a self-heterodyne, tunable down converting RF-IF photonic link as a key component of a wideband microwave signal search and intercept system covering S to Ka bands. The presented architecture uses photomixing of two distributed feedback lasers injection locked to a master external cavity laser, allowing low phase to amplitude noise conversion and improved sensitivity. Coherent detection of the intermediate frequency allows unambiguous recovery of full time-domain information. The practical implementation of a packaged prototype system will be discussed, with emphasis on the system stabilization strategy and performance requirements.

Paper Details

Date Published: 22 May 2015
PDF: 9 pages
Proc. SPIE 9467, Micro- and Nanotechnology Sensors, Systems, and Applications VII, 946721 (22 May 2015); doi: 10.1117/12.2178541
Show Author Affiliations
James R. Adleman, Space and Naval Warfare Systems Ctr. Pacific (United States)
Chunyan L. Lin, Space and Naval Warfare Systems Ctr. Pacific (United States)
Shai B. Jester, Space and Naval Warfare Systems Ctr. Pacific (United States)
B. Melvin Pascoguin, Space and Naval Warfare Systems Ctr. Pacific (United States)
Douglass C. Evans, Space and Naval Warfare Systems Ctr. Pacific (United States)
Everett W. Jacobs, Space and Naval Warfare Systems Ctr. Pacific (United States)


Published in SPIE Proceedings Vol. 9467:
Micro- and Nanotechnology Sensors, Systems, and Applications VII
Thomas George; Achyut K. Dutta; M. Saif Islam, Editor(s)

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