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21 December 2023 Photonic differentiator employing self-induced optical modulation effect
Li'ao Ye, Haoran Ma, Maohui Li, Fanjie Ruan, Jianyi Yang
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Proceedings Volume 12966, AOPC 2023: AI in Optics and Photonics ; 1296626 (2023) https://doi.org/10.1117/12.3007979
Event: Applied Optics and Photonics China 2023 (AOPC2023), 2023, Beijing, China
Abstract
We propose and demonstrate a sub-gigahertz bandwidth photonic differentiator employing the self-induced optical modulation effect in a silicon-on-insulator micro-ring resonator. The all-passive DIFF is controlled through an all-optical pump-probe scheme. Input Gaussian-like pulses with 7.5ns pulse width are differentiated at high processing accuracy. A semi-analytical model that agrees with the experimental results is also derived. The DIFF’s energy efficiency is higher than 45%, far surpassing all previously reported schemes for sub-gigahertz bandwidth pulses. Our scheme expands the application potential of photonic DIFFs.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Li'ao Ye, Haoran Ma, Maohui Li, Fanjie Ruan, and Jianyi Yang "Photonic differentiator employing self-induced optical modulation effect", Proc. SPIE 12966, AOPC 2023: AI in Optics and Photonics , 1296626 (21 December 2023); https://doi.org/10.1117/12.3007979
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KEYWORDS
Silicon
Pulse signals
Signal processing
Microrings
Silicon photonics
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