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Multimode perturbation modeling for cavity polygon and star modes

  • University of Victoria BC
  • CAS - Shanghai Institute of Optics and Fine Mechanics
  • University of Chinese Academy of Sciences
  • Shanxi University
  • Shandong Normal University

Research output: Contribution to journalArticlepeer-review

Abstract

Polygon and star modes enable unidirectional emission and single-frequency lasing in whispering gallery microcavities. To understand their properties and facilitate design, we have adopted both two-dimensional and three-dimensional full-wave perturbation methods to simulate these modes. Our simulation demonstrates that a tapered optical fiber can be used as a weak perturbation to coherently combine multiple whispering gallery modes into a polygon or star mode. Additionally, our simulation predicts an optical quality factor as high as 107 for the polygon modes, which is in good agreement with the experimental results.

Original languageEnglish
Article number033520
JournalPhysical Review A
Volume108
Issue number3
DOIs
StatePublished - Sep 2023

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