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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Grover Swartzlander
  • Vol. 31, Iss. 8 — Aug. 1, 2014
  • pp: 1867–1873

Ab initio investigation of lasing thresholds in photonic molecules

Denis Gagnon, Joey Dumont, Jean-Luc Déziel, and Louis J. Dubé  »View Author Affiliations

JOSA B, Vol. 31, Issue 8, pp. 1867-1873 (2014)

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We investigate lasing thresholds in a representative photonic molecule composed of two coupled active cylinders of slightly different radii. Specifically, we use the recently formulated steady-state ab initio laser theory (SALT) to assess the effect of the underlying gain transition on lasing frequencies and thresholds. We find that the order in which modes lase can be modified by choosing suitable combinations of the gain center frequency and linewidth, a result that cannot be obtained using the conventional approach of quasi-bound modes. The impact of the gain transition center on the lasing frequencies, the frequency pulling effect, is also quantified.

© 2014 Optical Society of America

OCIS Codes
(140.3410) Lasers and laser optics : Laser resonators
(140.3430) Lasers and laser optics : Laser theory
(140.3945) Lasers and laser optics : Microcavities
(230.4555) Optical devices : Coupled resonators

ToC Category:
Lasers and Laser Optics

Original Manuscript: April 23, 2014
Manuscript Accepted: June 8, 2014
Published: July 17, 2014

Denis Gagnon, Joey Dumont, Jean-Luc Déziel, and Louis J. Dubé, "Ab initio investigation of lasing thresholds in photonic molecules," J. Opt. Soc. Am. B 31, 1867-1873 (2014)

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