Collective behavior and disorder-induced resonator of random lasers

被引：4
|
作者：
Li, S [1 ]
Wang, ZJ
Chen, LS
Sun, X
George, TF
机构：
[1] Fudan Univ, Res Ctr Quantum Manipulat, Shanghai 200433, Peoples R China
[2] Fudan Univ, Res Ctr Theoret Phys, Shanghai 200433, Peoples R China
[3] Shanghai Inst Tech Phys, Natl Lab Infrared Phys, Shanghai 200083, Peoples R China
[4] Univ Missouri, Off Chancellor, St Louis, MO 63121 USA
[5] Univ Missouri, Ctr Mol Elect, Dept Chem & Biochem, St Louis, MO 63121 USA
[6] Univ Missouri, Dept Phys & Astron, St Louis, MO 63121 USA
来源：
APPLIED PHYSICS LETTERS | 2005年 / 86卷 / 17期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1063/1.1920409
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The localization caused by multiple scattering of lightwaves provides a mode for random laser action. It is shown that once the gain surpasses a certain threshold, photons are driven to localized modes, which greatly suppresses the energy loss and leads to laser emission. Concurrent with the localization of the random laser, unique collective behaviors of the localized modes appear, as distinguished from the other modes, which reveals the "invisible" microcavities of random lasers. (c) 2005 American Institute of Physics.
引用
收藏
页码：1 / 3
页数：3
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