Low threshold 1.55 µm Quantum dash microring lasers

Yating Wan, Daehwan Jung, Chen Shang, Noelle Collins, Ian MacFarlane, Justin Norman, Mario Dumont, Arthur C. Gossard, John E. Bowers

Research output: Chapter in Book/Report/Conference proceedingConference contribution


We report the first room-temperature-continuous-wave (CW) operation of electrically-injected InAs quantum-dash microring lasers emitting at 1.55 µm telecom window. The microrings sustain CW lasing up to 55°C, while the lowest threshold current density is 528A/cm2.
Original languageEnglish (US)
Title of host publicationOptics InfoBase Conference Papers
PublisherOptica Publishing Group (formerly OSA)
ISBN (Print)9781943580576
StatePublished - Jan 1 2019
Externally publishedYes


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