Low threshold gain metal coated laser nanoresonators

被引：110

作者：

Mizrahi, Amit ^{[1
]}

Lomakin, Vitahy ^{[1
]}

Slutsky, Boris A. ^{[1
]}

Nezhad, Maziar P. ^{[1
]}

Feng, Liang ^{[1
]}

Fainman, Yeshaiahu ^{[1
]}

机构：

[1] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA

来源：

OPTICS LETTERS | 2008年 / 33卷 / 11期

关键词：

D O I：

10.1364/OL.33.001261

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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. (C) 2008 Optical Society of America.

引用

页码：1261 / 1263

页数：3

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