Frequency comb generation in SNAP bottle resonators

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

*Corresponding author for this work

Research output: Contribution to journalArticle

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
Early online date30 May 2017
DOIs
Publication statusPublished - 30 May 2017

Keywords

  • Nonlinear wave mixing
  • Nonlinear optics
  • devices
  • Microcavities
  • Fiber optics components

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