SNAP microresonators introduced by strong bending of optical fibers

Daria Bochek, Nikita Toropov, Ilya Vatnik, Dmitry Churkin, Misha Sumetsky

Research output: Contribution to journalArticle

Abstract

We introduce a new method of the fabrication of surface nanoscale axial photonic (SNAP) microresonators through strong bending of an optical fiber. We experimentally demonstrate that geometric deformation and refractive index variation induced by bending is sufficient for the formation of a SNAP bottle resonator with nanoscale effective radius variation (ERV) along the fiber axis. In our experiment, we bend the optical fiber into a loop and investigate the properties of the fabricated tunable bottle resonator as a function of the loop dimensions. We find that the introduced ERV is approximately proportional to the local curvature of the loop, while the ERV maximum is proportional to the maximum of the loop curvature squared. The advantages of the demonstrated method are its simplicity, robustness, and ability to mechanically tune introduced resonant structures. This is of crucial importance for the creation of robust and tunable SNAP devices for applications in optical classical and quantum signal processing and ultraprecise sensing.
Original languageEnglish
Pages (from-to)3218-3221
Number of pages4
JournalOptics Letters
Volume44
Issue number13
Early online date8 May 2019
DOIs
Publication statusPublished - 18 Jun 2019

Fingerprint

optical fibers
photonics
bottles
radii
resonators
curvature
signal processing
refractivity
fabrication
fibers

Bibliographical note

This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: https://doi.org/10.1364/OL.44.003218. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Keywords

  • Carbon dioxide lasers
  • Cavity quantum electrodynamics
  • Optical fibers
  • Ring resonators
  • Silica fibers
  • Total internal reflection

Cite this

Bochek, Daria ; Toropov, Nikita ; Vatnik, Ilya ; Churkin, Dmitry ; Sumetsky, Misha. / SNAP microresonators introduced by strong bending of optical fibers. In: Optics Letters. 2019 ; Vol. 44, No. 13. pp. 3218-3221.
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SNAP microresonators introduced by strong bending of optical fibers. / Bochek, Daria; Toropov, Nikita; Vatnik, Ilya; Churkin, Dmitry; Sumetsky, Misha.

In: Optics Letters, Vol. 44, No. 13, 18.06.2019, p. 3218-3221.

Research output: Contribution to journalArticle

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