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Deep photonic networks for on-chip dispersion control and optimization

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College of Engineering
GRADUATE SCHOOL OF SCIENCES AND ENGINEERING

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In this study, we propose on-chip deep photonic networks with custom-designed Mach-Zehnder interferometers (MZI), allowing for the design of devices with arbitrarily defined dispersion profiles. We demonstrate a custom simulation and optimization framework to optimize dispersion and transmission profiles of these MZI-based networks. We experimentally show a proof-of-concept two-port photonic network with a highly nonintuitive, triangular dispersion profile in the C-band, while simultaneously achieving a flat band transmission with less than 0.7 dB insertion loss. We also demonstrate capabilities with multi-port photonic networks to enhance design freedom for customizable dispersion profiles, opening up new possibilities for on-chip dispersion engineering.

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SPIE

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Engineering, electrical and electronic

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Proceedings of SPIE - The International Society for Optical Engineering

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10.1117/12.3003132

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