Partial loss compensation in dielectric-loaded plasmonic waveguides at near infra-red wavelengths

被引：34

作者：

Garcia, C. ^{[1
,2
]}

Coello, V. ^{[3
]}

Han, Z. ^{[2
]}

Radko, I. P. ^{[2
]}

Bozhevolnyi, S. I. ^{[2
]}

机构：

[1] Univ Autonoma Nuevo Leon, Fac Ciencias Fis Matemat, San Nicolas De Los Garza 66450, NL, Mexico

[2] Univ So Denmark, ITI, DK-5230 Odense, Denmark

[3] Ctr Invest Cient & Educ Super Ensenada, Apodaca 66600, NI, Mexico

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 07期

基金：

中国国家自然科学基金;

关键词：

STIMULATED-EMISSION; NANOPARTICLE ARRAYS; QUANTUM DOTS; POLARITON; GAIN; PROPAGATION;

D O I：

10.1364/OE.20.007771

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on the fabrication and characterization of straight dielectric-loaded surface plasmon polaritons waveguides doped with lead-sulfide quantum dots as a near infra-red gain medium. A loss compensation of similar to 33% (an optical gain of similar to 143 cm(-1)) was observed in the guided mode. The mode propagation, coupling efficiency and stimulated emission were characterized using leakage radiation microscopy. The guided mode signature was separated using spatial filters in the Fourier plane of the microscope for quantitative measurements of stimulated emission. (C) 2012 Optical Society of America

引用

页码：7771 / 7776

页数：6

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