Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Ultra-High Bandwidth Optical Data Transmission Based on a 49GHz Kerr Soliton Crystal Microcomb

Version 1 : Received: 27 October 2020 / Approved: 29 October 2020 / Online: 29 October 2020 (14:34:21 CET)

How to cite: Tan, M.; Corcoran, B.; Xu, X.; Wu, J.; Boes, A.; Nguyen, T.; Chu, S.; Little, B.; Morandotti, R.; Mitchell, A.; Moss, D. Ultra-High Bandwidth Optical Data Transmission Based on a 49GHz Kerr Soliton Crystal Microcomb. Preprints 2020, 2020100618 (doi: 10.20944/preprints202010.0618.v1). Tan, M.; Corcoran, B.; Xu, X.; Wu, J.; Boes, A.; Nguyen, T.; Chu, S.; Little, B.; Morandotti, R.; Mitchell, A.; Moss, D. Ultra-High Bandwidth Optical Data Transmission Based on a 49GHz Kerr Soliton Crystal Microcomb. Preprints 2020, 2020100618 (doi: 10.20944/preprints202010.0618.v1).

Abstract

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.

Subject Areas

optical data communications; fiber optics; microcombs; ultrahigh bandwidth data transmission

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