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A photonic approach to generate chirped microwave pulses with precisely targeted and tuned parameters including central frequency, pulse repetition frequency, and chirp rate, is proposed. Such chirped pulses at 15 and 20GHz are experimentally demonstrated.
We report generation of high-modulation-depth photonic millimeter-wave (MMW) waveforms by applying line-by-line pulse shaping on a phase-modulated continuous-wave frequency comb. The optimized 20 and 100 GHz optical waveforms are then converted into electrical MMW signals using a near-ballistic uni-traveling-carrier photodiode (NBUTC-PD). A 7.4 dB MMW power enhancement is experimentally achieved by...
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