Transmitter and receiver solutions for VCSEL exploitation in access and metro networks

P. Parolari; A. Gatto; M. Rapisarda; F. Lipparini; C. Neumeyr; M. Svaluto Moreolo; P. Boffi

doi:10.1117/12.2579757

5 March 2021 Transmitter and receiver solutions for VCSEL exploitation in access and metro networks

P. Parolari, A. Gatto, M. Rapisarda, F. Lipparini, C. Neumeyr, M. Svaluto Moreolo, P. Boffi

Proceedings Volume 11712, Metro and Data Center Optical Networks and Short-Reach Links IV; 1171208 (2021) https://doi.org/10.1117/12.2579757
Event: SPIE OPTO, 2021, Online Only

Abstract

The high capacity demand, to support broadband services and everything-to-internet connectivity is pushing the limits of both access and metro networks, requiring the adoption of novel strategies for the optical transceiver modules. This represents an opportunity for the adoption in these network scenarios of novel photonic technologies based on single-mode vertical cavity surface emitting lasers (VCSELs) at long wavelengths. On one hand, the access network evolution requires a line rate increase beyond 10 Gb/s, targeting 50 Gb/s propagation in passive optical networks (PONs) over a few tens of kms in standard single mode fiber (SSMF) with simple, cost effective and energy efficient transceivers. On the other hand, the future metropolitan area network (MAN) will need to handle multi-Tb/s traffic in a very dynamic scenario, over variable distances up to hundreds of kms while promoting sustainability, reducing the CapEx and OpEx costs and power consumption. Both needs can be fulfilled by adopting VCSEL direct modulation with multicarrier modulation formats such as discrete multitone (DMT), in combination with distinct transmitter architectures and receiver solutions to support different aggregate capacity requirements and transmission reaches. In any case DMT with bit/power loading enables flexible rate and adaptive distance for metro network applications and link adaptation and PON resource usage optimization for future access networks. In this work, we report our recent results on the adoption of VCSEL technology in both scenarios, with special focus on the receiver and transmitter adopted architectures.

Conference Presentation

Citation Download Citation

P. Parolari, A. Gatto, M. Rapisarda, F. Lipparini, C. Neumeyr, M. Svaluto Moreolo, and P. Boffi "Transmitter and receiver solutions for VCSEL exploitation in access and metro networks", Proc. SPIE 11712, Metro and Data Center Optical Networks and Short-Reach Links IV, 1171208 (5 March 2021); https://doi.org/10.1117/12.2579757

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