Frequency comb generation in SNAP bottle resonators

Sergey V. Suchkov*, Mikhail Sumetsky, Andrey A. Sukhorukov

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    33 Citations (Scopus)

    Abstract

    We develop a theory of optical frequency comb generation in ultra-compact surface nanoscale axial photonic (SNAP) bottle microresonators, employing the nonlinear interaction of whispering gallery modes which are confined along an optical fiber with nanoscale radius variation. We predict that a SNAP microresonator with a radius of a few micrometers can generate a frequency comb with an ultra-fine sub-gigahertz spectral spacing, which would require traditional ring resonators of centimeter radius. We identify regimes of stable or quasiperiodic comb dynamics due to soliton excitation, and show that special engineering of the SNAP radius profile can be used to compensate for nonlinearity-induced dispersion.

    Original languageEnglish
    Pages (from-to)2149-2152
    Number of pages4
    JournalOptics Letters
    Volume42
    Issue number11
    DOIs
    Publication statusPublished - 1 Jun 2017

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