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Optical frequency comb generators, when combined with line-by-line pulse shaping, allow for the synthesis of programmable microwave photonic phase filters. The filter's achievable time-bandwidth product is related to the number of comb lines that can be individually manipulated. In this contribution, we present a flat ultra-broad optical frequency comb generator based on external non-linear broadening...
We discuss research at Purdue University in which ultrafast optical signal processing approaches are adapted for generation, processing, and compression of ultrabroadband RF electrical signals.
We present flat-top microwave photonic filters through amplitude and phase shaping of optical frequency combs. Flat-topped filters with greater than 27-dB stopband loss are demonstrated using 32 taps with both positive and negative tap coefficients.
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