Joint-compensation of silicon photonics modulator in short reach coherent networks

Ahmad Abdo; Mahdi Parvizi; Naim Ben-Hamida; Claude D'Amours

doi:10.1117/12.2542140

31 January 2020 Joint-compensation of silicon photonics modulator in short reach coherent networks

Ahmad Abdo, Mahdi Parvizi, Naim Ben-Hamida, Claude D'Amours

Proceedings Volume 11309, Next-Generation Optical Communication: Components, Sub-Systems, and Systems IX; 113090E (2020) https://doi.org/10.1117/12.2542140
Event: SPIE OPTO, 2020, San Francisco, California, United States

Abstract

In the context of short-reach data-center interconnect, such as OIF 400ZR, we study the system impact of bandwidth loss of Silicon Photonics Mach-Zehnder modulators in high-speed coherent modems. As well, we propose a minimum-mean square gradient-descent based method to optimize the compensation of such loss at both transmitter and receiver signal processing finite-impulse response filters. The method improves required-optical signal to noise ratio (ROSNR), under realistic hardware restrictions such as implementation noise and clock jitters at data converters, by 0.5 dB compared to fully pre-compensating the frequency response. Other advantages, such as lower power consumption, are highlighted as well.

Conference Presentation

Citation Download Citation

Ahmad Abdo, Mahdi Parvizi, Naim Ben-Hamida, and Claude D'Amours "Joint-compensation of silicon photonics modulator in short reach coherent networks", Proc. SPIE 11309, Next-Generation Optical Communication: Components, Sub-Systems, and Systems IX, 113090E (31 January 2020); https://doi.org/10.1117/12.2542140

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