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Proceedings Article

How to simulate the whispering-gallery modes of dielectric microresonators in FEMLAB/COMSOL

[+] Author Affiliations
Mark Oxborrow

National Physical Lab. (United Kingdom)

Proc. SPIE 6452, Laser Resonators and Beam Control IX, 64520J (February 14, 2007); doi:10.1117/12.714954
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From Conference Volume 6452

  • Laser Resonators and Beam Control IX
  • Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko
  • San Jose, CA | January 20, 2007

abstract

It is explained how FEMLAB / COMSOL Multiphysics can be configured to calculate, the frequencies, electromagnetic-field patterns, mode volumes, filling factors, radiation losses ... of the whispering-gallery modes of axisymmetric microresonators. The method exploits COMSOL's ability to accept the definition of solutions to Maxwells equations in so-called 'weak form'. As no transverse approximation is imposed, it remains accurate even for so-called quasi-TM and -TE modes of low, finite azimuthal mode order, as are relevant to applications in non-linear/quantum optics. The method's utility is exemplified by simulating various microresonators in the form of dielectric toroids and disks.

© (2007) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Mark Oxborrow
"How to simulate the whispering-gallery modes of dielectric microresonators in FEMLAB/COMSOL", Proc. SPIE 6452, Laser Resonators and Beam Control IX, 64520J (February 14, 2007); doi:10.1117/12.714954; http://dx.doi.org/10.1117/12.714954


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