Photon antibunching in the photoluminescence spectra of a single carbon nanotube

被引：213

作者：

Hoegele, Alexander ^{[1
]}

Galland, Christophe ^{[1
]}

Winger, Martin ^{[1
]}

Imamoglu, Atac ^{[1
]}

机构：

[1] ETH Honggerberg, Inst Quantum Elect, CH-8093 Zurich, Switzerland

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 21期

关键词：

D O I：

10.1103/PhysRevLett.100.217401

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the first observation of photon antibunching in the photoluminescence from single carbon nanotubes. The emergence of a fast luminescence decay component under strong optical excitation indicates that Auger processes are partially responsible for inhibiting two-photon generation. Additionally, the presence of exciton localization at low temperatures ensures that nanotubes emit photons predominantly one by one. The fact that multiphoton emission probability can be smaller than 5% suggests that carbon nanotubes could be used as a source of single photons for applications in quantum cryptography.

引用

页数：4

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