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Proceedings Paper

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

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 Q∼107. Corresponding decay time in the microcavity was measured to be τ∼15 ns. We also discussed different schemes of optical filters that may be based of cylindrical microresonators.

Paper Details

Date Published: 30 April 2019
PDF: 6 pages
Proc. SPIE 11026, Nonlinear Optics and Applications XI, 110261G (30 April 2019); doi: 10.1117/12.2524942
Show Author Affiliations
Zhiyong Han, Novosibirsk State Univ. (Russian Federation)
Semen S. Fast, Novosibirsk State Univ. (Russian Federation)
Emile Klotz, Institut d'Optique Graduate School (France)
Ilya D. Vatnik, Novosibirsk State Univ. (Russian Federation)
Institute of Automation and Electrometry (Russian Federation)
Dmitry V. Churkin, Novosibirsk State Univ. (Russian Federation)
Institute of Automation and Electrometry (Russian Federation)

Published in SPIE Proceedings Vol. 11026:
Nonlinear Optics and Applications XI
Mario Bertolotti; Alexei M. Zheltikov, Editor(s)

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