Time-multiplexed optical systems for reservoir computing and coherent Ising machines

Guy Van der Sande; Fabian Böhm; Krishan Harkhoe; Jaël Pauwels; Peter Bienstman; Thomas Van Vaerenbergh; Guy Verschaffelt

doi:10.1117/12.2594700

2 September 2021 Time-multiplexed optical systems for reservoir computing and coherent Ising machines

Guy Van der Sande, Fabian Böhm, Krishan Harkhoe, Jaël Pauwels, Peter Bienstman, Thomas Van Vaerenbergh, Guy Verschaffelt

Author Affiliations +

Proceedings Volume 11804, Emerging Topics in Artificial Intelligence (ETAI) 2021; 118041Q (2021) https://doi.org/10.1117/12.2594700
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

Abstract

Multiple photonic systems show great promise for providing practical yet powerful hardware substrates for neuromorphic computing. Among those, delay-based systems offer -through a time-multiplexing technique - a simple technological implementation route. We discuss our advances in the development of passive coherent fibre-ring cavities and semiconductor lasers with integrated delay for reservoir computing. Time-multiplexed systems are also highly suitable for coherent Ising machines as they allow to implement a fully interconnected large scale system with few components. We have recently proposed a system based on opto-electronic oscillators subjected to self-feedback with improved calculation time and solution quality.

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Guy Van der Sande, Fabian Böhm, Krishan Harkhoe, Jaël Pauwels, Peter Bienstman, Thomas Van Vaerenbergh, and Guy Verschaffelt "Time-multiplexed optical systems for reservoir computing and coherent Ising machines", Proc. SPIE 11804, Emerging Topics in Artificial Intelligence (ETAI) 2021, 118041Q (2 September 2021); https://doi.org/10.1117/12.2594700

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