Photonic convolutional accelerator and neural network in the Tera-OPs regime based on Kerr microcombs

Xingyuan Xu; Mengxi Tan; Bill Corcoran; Jiayang Wu; Andreas Boes; Thach G. Nguyen; Sai T. Chu; Brent E. Little; Damien G. Hicks; Roberto Morandotti; Arnan Mitchell; David J. Moss

doi:10.1117/12.2584017

5 March 2021 Photonic convolutional accelerator and neural network in the Tera-OPs regime based on Kerr microcombs

Xingyuan Xu, Mengxi Tan, Bill Corcoran, Jiayang Wu, Andreas Boes, Thach G. Nguyen, Sai T. Chu, Brent E. Little, Damien G. Hicks, Roberto Morandotti, Arnan Mitchell, David J. Moss

Author Affiliations +

Proceedings Volume 11689, Integrated Optics: Devices, Materials, and Technologies XXV; 1168915 (2021) https://doi.org/10.1117/12.2584017
Event: SPIE OPTO, 2021, Online Only

Abstract

We report a photonic RF arbitrary waveform generator and phase encoded signal generator using a soliton crystal micro-comb source with a free spectral range (FSR) of 48.9 GHz, that provides 80 wavelengths. We achieve arbitrary waveform shapes including square waveforms with a tunable duty ratio from 10% to 90%, sawtooth waveforms with a slope ratio of 0.2 to 1, and a symmetric concave quadratic chirp waveform with an instantaneous frequency of sub GHz. The phase encoded signal generator achieves a high pulse compression ratio of 30 and phase encoding rates from 2 to 6 Gb/s This work verifies the effectiveness of using microcombs for high-performance, broad bandwidth, nearly user-defined RF waveform generation.

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Xingyuan Xu, Mengxi Tan, Bill Corcoran, Jiayang Wu, Andreas Boes, Thach G. Nguyen, Sai T. Chu, Brent E. Little, Damien G. Hicks, Roberto Morandotti, Arnan Mitchell, and David J. Moss "Photonic convolutional accelerator and neural network in the Tera-OPs regime based on Kerr microcombs", Proc. SPIE 11689, Integrated Optics: Devices, Materials, and Technologies XXV, 1168915 (5 March 2021); https://doi.org/10.1117/12.2584017

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