Modal expansion approach for accurately computing resonant modes in a high-Q optical resonator

Young Mo Kang, Mingfeng Xue, Amir Arbabi, Jianming Jin, Lynford L Goddard

Research output: Contribution to journalArticle


We present a method based on the modal expansion approach for computing resonant modes of a high-Q optical resonator. We reconstruct both the complex eigenfrequencies and the spatial modal profiles by solving an inhomogeneous linear system excited by a current source in the resonator.

Original languageEnglish (US)
Pages (from-to)278-284
Number of pages7
JournalMicrowave and Optical Technology Letters
Issue number2
StatePublished - Feb 1 2014



  • cavity
  • eigenfrequency
  • microring resonator
  • modal expansion
  • optical resonator

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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