Electrically driven single-photon source

被引：996

作者：

Yuan, ZL

Kardynal, BE

Stevenson, RM

Shields, AJ

Lobo, CJ

Cooper, K

Beattie, NS

Ritchie, DA

Pepper, M

机构：

[1] Toshiba Res Europe Ltd, Cambridge Res Lab, Cambridge CB4 0WE, England

[2] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

来源：

SCIENCE | 2002年 / 295卷 / 5552期

关键词：

D O I：

10.1126/science.1066790

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Electroluminescence from a single quantum dot within the intrinsic region of a p-i-n junction is shown to act as an electrically driven single-photon source. At low injection currents, the dot electroluminescence spectrum reveals a single sharp line due to exciton recombination, white another tine due to the biexciton emerges at higher currents. The second-order correlation function of the diode displays anti-bunching under a continuous drive current. Single-photon emission is stimulated by subnanosecond voltage pulses. These results suggest that semiconductor technology can be used to mass-produce a single-photon source for applications in quantum information technology.

引用

页码：102 / 105

页数：4

共 23 条

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