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: Contribution to journalConference articlepeer-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 languageEnglish (US)
Article numberTu2I.3
JournalOptics InfoBase Conference Papers
StatePublished - 2022
EventOptical Fiber Communication Conference, OFC 2022 - San Diego, United States
Duration: Mar 6 2022Mar 10 2022

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials


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