SNAP microwave optical filters

Research output: Contribution to journalArticlepeer-review


If the originally flat bottom of a wide quantum well with multiple eigenstates is periodically modulated, its eigenvalues rearrange into denser groups separated by wider gaps. We show that this effect, if implemented in an elongated bottle microresonator [also called a surface nanoscale axial photonics (SNAP) microresonator] allows us to design microwave photonic tunable filters with an outstanding performance.
Original languageEnglish
Pages (from-to)4144-4147
Number of pages4
JournalOptics Letters
Issue number17
Early online date20 Aug 2021
Publication statusPublished - 1 Sept 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


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