Photonic RF-IF wideband down conversion using optical injection locking

James R. Adleman; Chunyan L. Lin; Shai B. Jester; B. Melvin Pascoguin; Douglass C. Evans; Everett W. Jacobs

doi:10.1117/12.2178541

22 May 2015 Photonic RF-IF wideband down conversion using optical injection locking

James R. Adleman, Chunyan L. Lin, Shai B. Jester, B. Melvin Pascoguin, Douglass C. Evans, Everett W. Jacobs

Proceedings Volume 9467, Micro- and Nanotechnology Sensors, Systems, and Applications VII; 946721 (2015) https://doi.org/10.1117/12.2178541
Event: SPIE Defense + Security, 2015, Baltimore, MD, United States

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.

Citation Download Citation

James R. Adleman, Chunyan L. Lin, Shai B. Jester, B. Melvin Pascoguin, Douglass C. Evans, and Everett W. Jacobs "Photonic RF-IF wideband down conversion using optical injection locking", Proc. SPIE 9467, Micro- and Nanotechnology Sensors, Systems, and Applications VII, 946721 (22 May 2015); https://doi.org/10.1117/12.2178541

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