Long-haul coherent communications using microresonator-based frequency combs

Attila Fülöp, Mikael Mazur, Abel Lorences-Riesgo, Tobias A. Eriksson, Pei Hsun Wang, Yi Xuan, Dan E. Leaird, Q. I. Minghao, Peter A. Andrekson, Andrew M. Weiner, Victor Torres-Company

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

Microresonator-based frequency combs are strong contenders as light sources for wavelength-division multiplexing (WDM). Recent experiments have shown the potential of microresonator combs for replacing a multitude of WDM lasers with a single laser-pumped device. Previous demonstrations have however focused on short-distance few-span links reaching an impressive throughput at the expense of transmission distance. Here we report the first long-haul coherent communication demonstration using a microresonator-based comb source. We modulated polarization multiplexed (PM) quadrature phase-shift keying-data onto the comb lines allowing transmission over more than 6300 km in a single-mode fiber. In a second experiment, we reached beyond 700 km with the PM 16 quadrature amplitude modulation format. To the best of our knowledge, these results represent the longest fiber transmission ever achieved using an integrated comb source.

Original languageEnglish
Pages (from-to)26678-26688
Number of pages11
JournalOptics Express
Volume25
Issue number22
DOIs
StatePublished - 30 Oct 2017

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