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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 23 — Dec. 1, 2004
  • pp: 2758–2760

Unidirectional lasing from a microcavity with a rounded isosceles triangle shape

M. S. Kurdoglyan, Soo-Young Lee, Sunghwan Rim, and Chil-Min Kim  »View Author Affiliations


Optics Letters, Vol. 29, Issue 23, pp. 2758-2760 (2004)
http://dx.doi.org/10.1364/OL.29.002758


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Abstract

We report that unidirectional lasing emission can be generated from a rounded isosceles triangular microcavity within a low nkD range, where n is the refractive index, k is the vacuum wave number, and D is the characteristic size of the microcavity. It is shown that unidirectional resonance modes have relatively high-Q values and in a nonlinear dynamic model appear as stationary lasing solutions with a low threshold. The formation of a whispering-gallery-type pattern along the rounded part on the symmetry axis is responsible for the unidirectionality of the resonances.

© 2004 Optical Society of America

OCIS Codes
(140.4780) Lasers and laser optics : Optical resonators
(140.5960) Lasers and laser optics : Semiconductor lasers

Citation
M. S. Kurdoglyan, Soo-Young Lee, Sunghwan Rim, and Chil-Min Kim, "Unidirectional lasing from a microcavity with a rounded isosceles triangle shape," Opt. Lett. 29, 2758-2760 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-23-2758

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