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Observations of interior whispering gallery modes in asymmetric optical resonators with rational caustics

  • Jie Gao
  • , Pascal Heider
  • , Charlton J. Chen
  • , Xiaodong Yang
  • , Chad A. Husko
  • , Chee Wei Wong
  • Nokia
  • Columbia University

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

We propose asymmetric resonant cavities with rational caustics and experimentally demonstrate interior whispering gallery modes in monolithic silicon mesoscopic microcavities. These microcavities demonstrate unique robustness of cavity quality factor against roughness Rayleigh scattering. Distinct resonant families and directional radiation from interior whispering gallery modes are observed experimentally using angle-resolved tapered fiber measurements and near-field images, which can be used for microcavity laser and cavity quantum electrodynamics applications.

Original languageEnglish
Article number181101
JournalApplied Physics Letters
Volume91
Issue number18
DOIs
StatePublished - 2007

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