Light amplification in semiconductor nanocrystals: Quantum rods versus quantum dots

被引：142

作者：

Htoon, H ^{[1
]}

Hollingworth, JA ^{[1
]}

Malko, AV ^{[1
]}

Dickerson, R ^{[1
]}

Klimov, VI ^{[1
]}

机构：

[1] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

来源：

APPLIED PHYSICS LETTERS | 2003年 / 82卷 / 26期

关键词：

D O I：

10.1063/1.1586460

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We perform side-by-side comparison of optical gain properties of spherical and elongated nanocrystals (quantum dots and quantum rods, respectively). This comparison indicates that elongated nanoparticles provide several features beneficial for lasing applications, such as enhanced absorption cross sections (and hence reduced lasing threshold and improved photostability), increased optical gain lifetime, and extended optical gain spectral range through the use of transitions that involve both ground and excited electronic states. (C) 2003 American Institute of Physics.

引用

页码：4776 / 4778

页数：3

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