Coupling between waveguides and microresonators:The local approach

Abstract

Coupling between optical microresonators and waveguides is a critical characteristic of resonant photonic devices that has complex behavior that is not well understood. When the characteristic variation length of the microresonator modes is much larger than the waveguide width, local coupling parameters emerge that are independent of the resonator mode distributions and offer a simplified description of coupling behavior. We develop a robust numerical-fitting-based methodology for experimental determination of the local coupling parameters in all coupling regimes and demonstrate their characterization along a microfiber waveguide coupled to an elongated bottle microresonator.

Publication DOI: https://doi.org/10.1364/OE.399978
Divisions: College of Engineering & Physical Sciences > School of Informatics and Digital Engineering > Electrical and Electronic Engineering
College of Engineering & Physical Sciences
College of Engineering & Physical Sciences > Aston Institute of Photonics Technology (AIPT)
Additional Information: Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funding: Army Research Laboratory (W911NF-19-2-0103); Engineering and Physical Sciences Research Council (EP/P006183/1)
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics
Publication ISSN: 1094-4087
Full Text Link:
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
https://www.osa ... =oe-28-18-25908 (Publisher URL)
PURE Output Type: Article
Published Date: 2020-08-18
Accepted Date: 2020-07-19
Authors: Vitullo, Dashiell L.P.
Zaki, Sajid
Jones, D. E.
Sumetsky, M. (ORCID Profile 0000-0001-7289-3547)
Brodsky, Michael

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