Photonically enabled agile rf waveform generation by optical comb shifting
Long, Christopher M.
Leaird, Daniel E.
Weiner, Andrew M.
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We present a photonically enabled rf arbitrary waveform generator that can rapidly switch between two output waveforms. This method is based on line-by-line shaping of an optical comb and then converting the optical pulses to rf waveforms with a fast photodetector. It uses a single diode laser as the optical source and selects different patterns preprogrammed into an optical pulse shaper by shifting the laser frequency. We demonstrate minimum update delay times of 0:45 ns.
Optics LettersThe article of record as published may be found at http://dx.doi.org/10.1364/ol.35.003892
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