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Optical data transmission field trial @ 44Tb/s with a 49GHz Kerr soliton crystal microcomb by Tan, Mengxi; Xu, Xingyuan; Moss, David J. is a scholarly article available to read on EtoBox.

What is Optical data transmission field trial @ 44Tb/s with a 49GHz Kerr soliton crystal microcomb about?

We report world record high data transmission over standard optical fiber from a single optical source. We achieve a line rate of 44.2 Terabits per second (Tb/s) employing only the C-band at 1550nm, resulting in a spectral efficiency of 10.4 bits/s/Hz. We use a new and powerful class of micro-comb called soliton crystals that exhibit robust operation and stable generation as well as a high intrinsic efficiency that, together with an extremely low spacing of 48.9 GHz enables a very high coherent data modulation format of 64 QAM. We achieve error free transmission across 75 km of standard optical fiber in the lab and over a field trial with a metropolitan optical fiber network. This work demonstrates the ability of optical micro-combs to exceed other approaches in performance for the most demanding practical optical communications applications.

Author

Tan, Mengxi; Xu, Xingyuan; Moss, David J.

Published

2021

Language

EN