Low threshold gain metal coated laser nanoresonators
Optics Letters, Vol. 33, Issue 11, pp. 1261-1263 (2008)
http://dx.doi.org/10.1364/OL.33.001261
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Abstract
We introduce a low refractive index layer between the metal and the gain medium in metal-coated laser resonators and demonstrate that it can significantly reduce the dissipation losses. Analysis of a gain medium waveguide shows that for a given waveguide radius, the low index layer has an optimal thickness for which the lasing threshold gain is minimal. The waveguide analysis is used for the design of a novel three-dimensional cylindrical resonator that is smaller than the vacuum wavelength in all three dimensions and exhibits a low enough threshold gain to lase at room temperature.
© 2008 Optical Society of America
OCIS Codes
(140.3410) Lasers and laser optics : Laser resonators
(140.4780) Lasers and laser optics : Optical resonators
(140.5960) Lasers and laser optics : Semiconductor lasers
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(310.6628) Thin films : Subwavelength structures, nanostructures
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: March 17, 2008
Manuscript Accepted: April 20, 2008
Published: May 30, 2008
Citation
Amit Mizrahi, Vitaliy Lomakin, Boris A. Slutsky, Maziar P. Nezhad, Liang Feng, and Yeshaiahu Fainman, "Low threshold gain metal coated laser nanoresonators," Opt. Lett. 33, 1261-1263 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-11-1261
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