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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Stephen A. Burns
  • Vol. 25, Iss. 11 — Nov. 1, 2008
  • pp: 2884–2892

Lasing frequencies and thresholds of the dipole supermodes in an active microdisk concentrically coupled with a passive microring

Elena I. Smotrova, Trevor M. Benson, Phillip Sewell, Jiri Ctyroky, and Alexander I. Nosich  »View Author Affiliations


JOSA A, Vol. 25, Issue 11, pp. 2884-2892 (2008)
http://dx.doi.org/10.1364/JOSAA.25.002884


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Abstract

The lasing spectra and threshold values of material gain for the dipole-type supermodes of an active microdisk concentrically coupled with an external passive microring are investigated. TE polarized modes are treated accurately using the linear electromagnetic formalism of the 2-D lasing eigenvalue problem (LEP) with exact boundary and radiation conditions. The influence of the microring on the lasing frequencies and thresholds is studied numerically, demonstrating threshold reduction opportunities. This is explained through the analysis of the mode near-field patterns and the degree of their overlap with the active region, as suggested by the optical theorem applied to the LEP solutions.

© 2008 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3410) Lasers and laser optics : Laser resonators
(140.3560) Lasers and laser optics : Lasers, ring
(140.3945) Lasers and laser optics : Microcavities

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: April 29, 2008
Revised Manuscript: September 8, 2008
Manuscript Accepted: September 17, 2008
Published: October 31, 2008

Citation
Elena I. Smotrova, Trevor M. Benson, Phillip Sewell, Jiri Ctyroky, and Alexander I. Nosich, "Lasing frequencies and thresholds of the dipole supermodes in an active microdisk concentrically coupled with a passive microring," J. Opt. Soc. Am. A 25, 2884-2892 (2008)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-25-11-2884

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