Lasing characteristics of random cylindrical microcavity lasers

Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/5376

Title:	Lasing characteristics of random cylindrical microcavity lasers
Authors:	Zhu, H Yu, SF Zhang, WF
Issue Date:	12-Dec-2011
Source:	Applied physics letters, 12 Dec. 2011, v. 99, no. 24, 241111, p. 1-3
Abstract:	Room-temperature lasing characteristics of random cylindrical microcavity lasers, which can be realized by coating a layer of random gain medium onto the surface of an optical fiber with various diameters, was studied experimentally. It is shown that closed-loop random modes excited inside the random gain medium are strongly confined along the radial direction so that the spacing of lasing modes is controlled by the diameter of cylindrical microcavity. In addition, lasing threshold of the random gain medium can be reduced by an order of magnitude under the influence of radial optical confinement.
Keywords:	II-VI semiconductors Laser modes Microcavity lasers Random processes Silicon compounds Zinc compounds
Publisher:	American Institute of Physics
Journal:	Applied physics letters
ISSN:	0003-6951
EISSN:	1077-3118
DOI:	10.1063/1.3670501
Rights:	© 2011 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in H. Zhu, S. F. Yu and W. F. Zhang, Appl. Phys. Lett. 99, 241111 (2011) and may be found at http://link.aip.org/link/?apl/99/241111
Appears in Collections:	Journal/Magazine Article

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