Enhancing the impedance matched bandwidth of bottle microresonator signal processing devices

M. Sumetsky; S. Zaki

doi:10.1364/OL.430673

Enhancing the impedance matched bandwidth of bottle microresonator signal processing devices

Research output: Contribution to journal › Article › peer-review

Abstract

Light pulses entering an elongated bottle microresonator (BMR) from a transversely oriented input–output waveguide (microfiber) slowly propagate along the BMR length and bounce between turning points at its constricting edges. To avoid insertion losses and processing errors, a pulse should completely transfer from the waveguide into the BMR and, after being processed, completely return back into the waveguide. For this purpose, the waveguide and BMR should be impedance matched along the pulse bandwidth. Here we show how to enhance the impedance matched bandwidth by optimization of the BMR effective radius variation in a small vicinity of the input–output waveguide.

Original language	English
Pages (from-to)	3227-3230
Number of pages	4
Journal	Optics Letters
Volume	46
Issue number	13
Early online date	4 Jun 2021
DOIs	https://doi.org/10.1364/OL.430673
Publication status	Published - 28 Jun 2021

Bibliographical note

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: Engineering and Physical Sciences Research Council
(EP/P006183/1).

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10.1364/OL.430673Licence: CC BY 3.0

Enhancing the impedance matched bandwidth
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.
Final published version, 6.41 MBLicence: CC BY 3.0

Cite this

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Enhancing the impedance matched bandwidth of bottle microresonator signal processing devices

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