Lasing threshold for whispering-gallery-mode microsphere lasers

  • Wu Y
  • Leung P
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Abstract

The analytical expression for the lasing threshold for whispering-gallery-mode microsphere lasers under the strong-coupling condition is obtained by solving a quasi-three-level quantized model. It explicitly displays the dependence of the lasing threshold on the cavity radius, the homogeneous linewidth, the quality factors and linewidths of the relevant cavity modes.

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Authors

  • Ying Wu

  • P. T. Leung

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