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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 12 — Jun. 15, 2013
  • pp: 2059–2061

Optical coupling of an active microdisk to a passive one: effect on the lasing thresholds of the whispering-gallery supermodes

Elena I. Smotrova and Alexander I. Nosich  »View Author Affiliations


Optics Letters, Vol. 38, Issue 12, pp. 2059-2061 (2013)
http://dx.doi.org/10.1364/OL.38.002059


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Abstract

The lasing spectra and thresholds of a selectively pumped photonic molecule composed of two microdisks is investigated using effective index approximation and full-wave 2-D electromagnetic equations. The lasing eigenvalue problem formulation is used to find modal frequencies and threshold values of material gain. The influence of the optical coupling between active and passive microdisks on the lasing eigenvalues and directionalities of emission is studied. It is shown that for strong coupling the effect of making one of the resonators passive leads to the doubling of the threshold.

© 2013 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 16, 2013
Revised Manuscript: May 13, 2013
Manuscript Accepted: May 13, 2013
Published: June 5, 2013

Citation
Elena I. Smotrova and Alexander I. Nosich, "Optical coupling of an active microdisk to a passive one: effect on the lasing thresholds of the whispering-gallery supermodes," Opt. Lett. 38, 2059-2061 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-12-2059


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