Single-wall carbon nanotubes as coherent plasmon generators

被引：28
|
作者：
Bondarev, I. V. [1 ]
机构：
[1] N Carolina Cent Univ, Dept Phys, Durham, NC 27707 USA
来源：
PHYSICAL REVIEW B | 2012年 / 85卷 / 03期
基金：
美国国家科学基金会;
关键词：
ELECTRONIC STATES; ULTRALONG;
D O I：
10.1103/PhysRevB.85.035448
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The possibility of low-energy surface plasmon amplification by optically excited excitons in small-diameter single-wall carbon nanotubes is theoretically demonstrated. The nonradiative exciton-plasmon energy transfer causes the buildup of macroscopic population numbers of coherent localized surface plasmons associated with high-intensity coherent local fields formed at nanoscale throughout the nanotube surface. These strong local fields can be used in a variety of new optoelectronic applications of carbon nanotubes, including near-field nonlinear-optical probing and sensing, optical switching, enhanced electromagnetic absorption, and materials nanoscale modification.
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页数：7
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