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Sweep optical frequency synthesizer with a distributed-Bragg-reflector laser injection locked by a single component of an optical frequency comb

  • S. E. Park*
  • , E. B. Kim
  • , Y. H. Park
  • , D. S. Yee
  • , T. Y. Kwon
  • , C. Y. Park
  • , H. S. Moon
  • , T. H. Yoon
  • *Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A sweep optical frequency synthesizer is demonstrated by using a frequency-stabilized optical frequency comb and injection-locked distributed-Bragg-reflector (DBR) laser diode. The injection-locked DBR laser acts as a single-frequency filter and, simultaneously, a high-gain amplifier of the optical frequency comb. The frequency instability of the heterodyne beat signal between two independently injection-locked DBR lasers is measured to be 2.3 × 10-16 at 1 s averaging time. The output frequency of the sweep optical frequency synthesizer can be precisely tuned over 1 GHz, and a saturated absorption spectrum of the Cs D2 line at 852 nm is recorded by the injected DBR laser.

    Original languageEnglish
    Pages (from-to)3594-3596
    Number of pages3
    JournalOptics Letters
    Volume31
    Issue number24
    DOIs
    Publication statusPublished - 2006 Dec 15

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

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