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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 6 — Mar. 15, 2008
  • pp: 605–607

Wavelength and intensity switching in directly coupled semiconductor microdisk lasers

Gustavo E. Fernandes, Laurent Guyot, Grace D. Chern, Michael Kneissl, Noble M. Johnson, Qinghai Song, Lei Xu, and Richard K. Chang  »View Author Affiliations


Optics Letters, Vol. 33, Issue 6, pp. 605-607 (2008)
http://dx.doi.org/10.1364/OL.33.000605


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Abstract

We demonstrate output wavelength and intensity switching in a three-element directly coupled microdisk device consisting of one spiral microdisk coupled to two semicircle microdisks. The gapless coupling mechanism used allows individual elements to achieve lasing while achieving optimal transfer of optical power between adjacent microdisks. By controlling the transparency of the center element via injection current, the edge elements can be allowed to exchange their amplified spontaneous emission. In this manner, on–off–on switching of the output intensity, as well as discontinuous shifts in the output wavelength, can be achieved as a function of increasing injection current.

© 2008 Optical Society of America

OCIS Codes
(140.4780) Lasers and laser optics : Optical resonators
(140.5960) Lasers and laser optics : Semiconductor lasers
(230.3990) Optical devices : Micro-optical devices

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: October 26, 2007
Revised Manuscript: February 1, 2008
Manuscript Accepted: February 5, 2008
Published: March 14, 2008

Citation
Gustavo E. Fernandes, Laurent Guyot, Grace D. Chern, Michael Kneissl, Noble M. Johnson, Qinghai Song, Lei Xu, and Richard K. Chang, "Wavelength and intensity switching in directly coupled semiconductor microdisk lasers," Opt. Lett. 33, 605-607 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-6-605

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