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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 7 — Apr. 1, 2013
  • pp: 1046–1048

Low-threshold lasing in active opal photonic crystals

M. Srinivas Reddy, R. Vijaya, Ivan D. Rukhlenko, and Malin Premaratne  »View Author Affiliations


Optics Letters, Vol. 38, Issue 7, pp. 1046-1048 (2013)
http://dx.doi.org/10.1364/OL.38.001046


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Abstract

We theoretically study a low-threshold band-edge lasing in three-dimensional photonic crystals (PhCs) with a face-centered cubic lattice structure, using a complex-valued permittivity approach combined with the Korringa–Kohn–Rostoker method. We show that the lasing threshold at the low-frequency band edge is smaller than that at the high-frequency band edge for the first-order stop band of the PhC. We also analyze the impact of the number of the PhC’s layers on the frequency of band-edge lasing and the lasing threshold near the first-order stop band in the ΓL direction, and demonstrate a broad tunability of the lasing frequency with change in the emission collection angle. The obtained results are beneficial for the performance enhancement of tunable, PhC-based chip lasers.

© 2013 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(230.5298) Optical devices : Photonic crystals

ToC Category:
Photonic Crystals

History
Original Manuscript: December 28, 2012
Manuscript Accepted: February 21, 2013
Published: March 20, 2013

Citation
M. Srinivas Reddy, R. Vijaya, Ivan D. Rukhlenko, and Malin Premaratne, "Low-threshold lasing in active opal photonic crystals," Opt. Lett. 38, 1046-1048 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-7-1046

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