Narrow Linewidth Lasers for Low-Energy Coherent Communications

Grant M. Brodnik, Mark W. Harrington, John H. Dallyn, Debapam Bose, Wei Zhang, Liron Stern, Paul A. Morton, Ryan A. Behunin, Scott B. Papp, Daniel J. Blumenthal

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


We present chip-scale lasers with ~1Hz fundamental linewidths, ~30Hz integral linewidths, and stability better than 2x10-13 (50ms) enabling energy-efficient, ultra-low residual phase error carrier recovery for DSP-free, high-capacity coherent communications in tomorrow's data center interconnects.

Original languageAmerican English
Title of host publicationOptical Fiber Communication Conference, OFC 2022
PublisherOptica Publishing Group (formerly OSA)
ISBN (Electronic)9781557528209
StatePublished - 2022
Externally publishedYes
EventOptical Fiber Communication Conference, OFC 2022 - San Diego, United States
Duration: 6 Mar 202210 Mar 2022

Publication series

NameOptics InfoBase Conference Papers


ConferenceOptical Fiber Communication Conference, OFC 2022
Country/TerritoryUnited States
CitySan Diego

Bibliographical note

Funding Information:
The information, data, or work presented herein was funded in part by the Advanced Research Projects Agency-Energy (ARPA-E), U.S. Department of Energy, under Award Number DE-AR0001042 Figures adapted/sourced from [6] with permission.

Publisher Copyright:
© Optica Publishing Group 2022, © 2022 The Author(s)


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