Studying of filtering properties of SNAP microresonators on the surface of optical fibers

Zhiyong Han, Semen S. Fast, Emile Klotz, Ilya D. Vatnik, Dmitry V. Churkin

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


Cylindrical microresonators based on the surface of optical fibers (SNAP structures) appear to be a promising platform for a variety of photonic devices. It turned out that the manufacturing accuracy of standard telecommunication optical fibers and the smoothness of their surface may be high enough to excite high-quality whispering gallery (WGM) modes in their cladding. Here we consider the question of the quality of resonances obtained on the surface of optical fibers, and the possibility of using them to create high-finesse optical filters. We used standard telecommunication fiber SMF-28 with a silica cladding diameter of 125 microns as samples to excite whispering gallery modes. We found that annealing with fire allows to obtain quality factors up to Q107. Corresponding decay time in the microcavity was measured to be τ15 ns. We also discussed different schemes of optical filters that may be based of cylindrical microresonators.

Original languageEnglish
Title of host publicationNonlinear Optics and Applications XI
EditorsMario Bertolotti, Alexei M. Zheltikov
Number of pages6
ISBN (Electronic)9781510627185
Publication statusPublished - 1 Jan 2019
EventNonlinear Optics and Applications XI 2019 - Prague, Czech Republic
Duration: 1 Apr 20193 Apr 2019

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X


ConferenceNonlinear Optics and Applications XI 2019
Country/TerritoryCzech Republic


  • Microresonator
  • Optical fiber
  • Whispering gallery mode
  • microresonator
  • optical fiber


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