A 4-Hz fundamental linewidth on-chip microlaser

Lan Yang, Tao Lu, Tal Carmon, Bumki Min, Kerry J. Vahala

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


A compact laser source on a silicon chip with Shawlow-Townes linewidth (i.e., fundamental, quantum limited) down to a few Hertz is demonstrated in this work. The fundamental linewidth is observed to decrease with inverse optical power.

Original languageEnglish
Title of host publicationConference on Lasers and Electro-Optics, CLEO 2007
PublisherOptical Society of America
ISBN (Print)1557528349, 9781557528346
StatePublished - 2007
EventConference on Lasers and Electro-Optics, CLEO 2007 - Baltimore, MD, United States
Duration: May 6 2007May 6 2007

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701


ConferenceConference on Lasers and Electro-Optics, CLEO 2007
Country/TerritoryUnited States
CityBaltimore, MD


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