Spatial confinement of laser light in active random media

被引：644

作者：

Cao, H ^{[1
]}

Xu, JY

Zhang, DZ

Chang, SH

Ho, ST

Seelig, EW

Liu, X

Chang, RPH

机构：

[1] Northwestern Univ, Mat Res Ctr, Dept Phys & Astron, Evanston, IL 60208 USA

[2] Northwestern Univ, Mat Res Ctr, Dept Elect & Comp Engn, Evanston, IL 60208 USA

[3] Northwestern Univ, Mat Res Ctr, Dept Mat Sci & Engn, Evanston, IL 60208 USA

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.84.5584

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have observed spatial confinement of laser light in micrometer-sized random media. The optical confinement is attributed to the disorder-induced scattering and interference. Our experimental data suggest that coherent amplification of the scattered light enhances the interference effect and helps the spatial confinement. Using the finite-difference time-domain method, we simulate lasing with coherent feedback in the active random medium.

引用

页码：5584 / 5587

页数：4

共 20 条

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