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Photonic radio frequency arbitrary waveform generator based on an integrated 49GHz FSR Kerr micro-comb source

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posted on 13.05.2020 by David Moss
We report a photonic-based radio frequency (RF) arbitrary waveform generator (AWG) using a soliton crystal micro-comb source with a free spectral range (FSR) of 48.9 GHz. We successfully achieve arbitrary shapes including square waveforms with a tunable duty ratio ranging from 10% to 90%, sawtooth waveforms with a tunable slope ratio of 0.2 to 1, and a symmetric concave quadratic chirp waveform with an instantaneous frequency of sub GHz. We achieve good agreement between theory and experiment, validating the effectiveness of this approach towards realizing high-performance, broad bandwidth, nearly user-defined RF waveform generation.

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Email Address of Submitting Author

dmoss@swin.edu.au

ORCID of Submitting Author

0000-0001-5195-1744

Submitting Author's Institution

swinburne university

Submitting Author's Country

Australia

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