Nonlinear Optical Angle Modulation for Suppression of RF Interference

A new optical technique for suppression of electronic interference is detailed theoretically and experimentally. The method is based on operating an angle-modulated photonic link in its nonlinear regime, where Bessel functions govern the response. This novel signal-processing technique is analyzed f...

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Bibliographic Details
Published inIEEE transactions on microwave theory and techniques Vol. 64; no. 7; pp. 2198 - 2204
Main Authors Urick, Vincent J., Diehl, John F., McKinney, Jason D., Singley, Joseph M., Sunderman, Christopher E.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.07.2016
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Integrated optics
Interference suppression
microwave photonics
Nonlinear optics
Optical interferometry
Optical modulation
optical signal processing
Phase modulation
Radio frequency
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Summary:A new optical technique for suppression of electronic interference is detailed theoretically and experimentally. The method is based on operating an angle-modulated photonic link in its nonlinear regime, where Bessel functions govern the response. This novel signal-processing technique is analyzed for optical intensity and phase modulation. Experimental results demonstrate suppression of continuous-wave, pulsed, and chirped signals at levels ranging from at least 30 dB to upwards of 70 dB relative to small-signal conditions.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2016.2549521