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Conferences > ECEOC > 2022 > Tu1A > Tu1A.3
  • European Conference on Optical Communication (ECOC) 2022
  • Technical Digest Series (Optica Publishing Group, 2022),
  • paper Tu1A.3

Is It Meaningful to Pursue Higher Symbol Rate beyond Bandwidth Constraint for Short-Reach Interconnects?

Di Che

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Abstract

It is questionable whether higher symbol rate PAM-4 or higher-order modulation like PAM-6/8 is more suitable for the next-gen optical interface beyond 200G per lane. We reveal the advantage of pursuing higher symbol rate with faster-than-Nyquist (FTN) technique to break the bandwidth constraint, by comparing the achievable information rate between FTN and Nyquist signaling.

© 2022 The Author(s)

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