Midinfrared frequency combs from coherent supercontinuum in chalcogenide and optical parametric oscillation

Kevin F. Lee*, N. Granzow, M. A. Schmidt, W. Chang, L. Wang, Q. Coulombier, J. Troles, Nick Leindecker, Konstantin L. Vodopyanov, Peter G. Schunemann, M. E. Fermann, P. S.J. Russell, I. Hartl

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    63 Citations (Scopus)

    Abstract

    We observe the coherence of the supercontinuum generated in a nanospike chalcogenide-silica hybrid waveguide pumped at 2 μm. The supercontinuum is shown to be coherent with the pump by interfering it with a doubly resonant optical parametric oscillator (OPO) that is itself coherent with the shared pump laser. This enables coherent locking of the OPO to the optically referenced pump frequency comb, resulting in a composite frequency comb with wavelengths from 1 to 6 μm.

    Original languageEnglish
    Pages (from-to)2056-2059
    Number of pages4
    JournalOptics Letters
    Volume39
    Issue number7
    DOIs
    Publication statusPublished - 1 Apr 2014

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