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We report an experimental demonstration of a nonuniformly spaced photonic microwave delay-line filter implemented using an incoherent broadband optical source and a spatially discrete chirped fiber Bragg grating (SD-CFBG). The SD-CFBG performs simultaneously three functions: 1) to slice the spectrum of the broadband optical source for generating the filter taps; 2) to provide nonuniform time delays;...
Techniques to realize microwave and millimeter-wave arbitrary waveform generation and processing in the optical domain are reviewed, with an emphasis on the techniques implemented based on fiber optics.
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