Permanent matching of coupled optical bottle resonators with better than 0.16 GHz precision

Toropov, N.A. and Sumetsky, M. (2016). Permanent matching of coupled optical bottle resonators with better than 0.16 GHz precision. Optics Letters, 41 (10), pp. 2278-2281.

Abstract

The fabrication precision is one of the most critical challenges to the creation of practical photonic circuits composed of coupled high Q-factor microresonators. While very accurate transient tuning of microresonators based on local heating has been reported, the record precision of permanent resonance positioning achieved by post-processing is still within 1 and 5 GHz. Here we demonstrate two coupled bottle microresonators fabricated at the fiber surface with resonances that are matched with a better than 0.16 GHz precision. This corresponds to a better than 0.17 Å precision in the effective fiber radius variation. The achieved fabrication precision is only limited by the resolution of our optical spectrum analyzer and can be potentially improved by an order of magnitude.

Publication DOI: https://doi.org/10.1364/OL.41.002278
Divisions: Engineering & Applied Sciences > Institute of Photonics
Additional Information: © 2016 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited. Funding: Royal Society (WM130110); Horizon 2020 (H2020-EU.1.3.3, 691011); British Council Researcher Links (164861753)
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics
Full Text Link: https://www.osa ... i=ol-41-10-2278
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
Published Date: 2016-05-10
Authors: Toropov, N.A.
Sumetsky, M.

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