Electrical control of the uncertainty in the time of single photon emission events

被引：40

作者：

Bennett, AJ

Unitt, DC

See, P

Shields, AJ

Atkinson, P

Cooper, K

Ritchie, DA

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：

PHYSICAL REVIEW B | 2005年 / 72卷 / 03期

关键词：

D O I：

10.1103/PhysRevB.72.033316

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report that with appropriate voltage biasing it is possible to reduce the uncertainty in the time at which photons are emitted from a single quantum dot by an arbitrary factor. Using a resonant cavity light-emitting diode, we reduce the photon emission time jitter to one-fifth of the radiative lifetime. This enables us to demonstrate single-photon emission at a repetition rate of 1.07 GHz from both the exciton and biexciton states. This idea may lead to a new method by which pairs of indistinguishable photons can be generated for photonic quantum logic experiments.

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页数：4

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