Pre-stabilization of a distributed feedback diode laser for locking to a high-finesse cavity

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

    Abstract

    An ultra-stable laser based on frequency doubling of a distributed feedback (DFB) semiconductor laser has been built for interrogation of the 674-nm clock transition in Sr+. The DFB laser is pre-stabilized using an all-fiber interferometer that reduces the linewidth from the 1 MHz regime down to a few kHz and enables reliable locking of the laser to a 30-cm reference cavity with a finesse of 270 000 at 674 nm The laser will be used in a Sr+ single-ion clock that should reach a fractional frequency uncertainty of a few parts in 10-18.

    Original languageEnglish
    Title of host publicationCPEM 2016 - Conference on Precision Electromagnetic Measurements, Conference Digest
    PublisherIEEE Institute of Electrical and Electronic Engineers
    ISBN (Electronic)9781467391344
    ISBN (Print)978-1-4673-9134-4, 978-1-4673-9132-0, 978-1-4673-9135-1
    DOIs
    Publication statusPublished - 10 Aug 2016
    MoE publication typeA4 Article in a conference publication
    EventConference on Precision Electromagnetic Measurements, CPEM 2016 - Ottawa, Canada
    Duration: 10 Jul 201615 Jul 2016

    Conference

    ConferenceConference on Precision Electromagnetic Measurements, CPEM 2016
    Abbreviated titleCPEM 2016
    CountryCanada
    CityOttawa
    Period10/07/1615/07/16

    Keywords

    • Laser stabilization
    • linewidth reduction
    • optical clocks
    • semiconductor lasers
    • ultra-stable lasers

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