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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 7 — Apr. 1, 2006
  • pp: 921–923

Threshold reduction in a cyclic photonic molecule laser composed of identical microdisks with whispering-gallery modes

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


Optics Letters, Vol. 31, Issue 7, pp. 921-923 (2006)
http://dx.doi.org/10.1364/OL.31.000921


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Abstract

Lasing modes in cyclic photonic molecules (CPMs) composed of several identical thin semiconductor microdisks in free space are studied in a linear approximation. Maxwell’s equations with exact boundary conditions and the radiation condition at infinity are considered as a specific eigenvalue problem that enables one to find natural frequencies and threshold gains. It is demonstrated that careful tuning of the distance between the disks in CPMs is able to drastically reduce the lasing thresholds of the whispering-gallery modes having small azimuth indices.

© 2006 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3290) Lasers and laser optics : Laser arrays
(140.3410) Lasers and laser optics : Laser resonators
(140.5960) Lasers and laser optics : Semiconductor lasers
(230.5750) Optical devices : Resonators

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: December 19, 2005
Manuscript Accepted: December 22, 2005

Citation
Elena I. Smotrova, Alexander I. Nosich, Trevor M. Benson, and Phillip Sewell, "Threshold reduction in a cyclic photonic molecule laser composed of identical microdisks with whispering-gallery modes," Opt. Lett. 31, 921-923 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-7-921

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