Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/5021
Title: Transition of lasing modes in disordered active photonic crystals
Authors: Kwan, KC
Tao, X 
Peng, GD
Issue Date: 15-Sep-2007
Source: Optics letters, 15 Sept. 2007, v. 32, no. 18, p. 2720-2722
Abstract: The transition from a photonic band-edge laser to a random laser in two-dimensional active photonic crystals is described. The lasing modes in the active photonic crystals shift from the edge of the photonic bandgap to the bulk of the gap when a certain amount of position and size disorder is introduced. The shift of lasing modes is determined with various gain profiles. The results show that the modulation of lasing modes is significant when the lasing transition wavelength overlaps the photonic bandgap.
Keywords: Edge detection
Laser beams
Phase shift
Phase transitions
Two dimensional
Wavelength
Publisher: Optical Society of America
Journal: Optics letters 
ISSN: 0146-9592
EISSN: 1539-4794
DOI: 10.1364/OL.32.002720
Rights: © 2007 Optical Society of America. This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-18-2720. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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