Electron Quantum Optics: Partitioning Electrons One by One

被引：158

作者：

Bocquillon, E. ^{[1
]}

Parmentier, F. D. ^{[1
]}

Grenier, C. ^{[2
]}

Berroir, J. -M. ^{[1
]}

Degiovanni, P. ^{[2
]}

Glattli, D. C. ^{[1
]}

Placais, B. ^{[1
]}

Cavanna, A. ^{[3
]}

Jin, Y. ^{[3
]}

Feve, G. ^{[1
]}

机构：

[1] Univ D Diderot, Univ P&M Curie, Ecole Normale Super, Lab Pierre Aigrain,CNRS,UMR 8551, F-75231 Paris 05, France

[2] Univ Lyon, Ecole Normale Super Lyon, Phys Lab, CNRS, F-69364 Lyon, France

[3] CNRS, LPN, F-91460 Marcoussis, France

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 108卷 / 19期

关键词：

HANBURY-BROWN; SCATTERING-THEORY; TWISS EXPERIMENT; SHOT-NOISE; WAVE; TRANSPORT;

D O I：

10.1103/PhysRevLett.108.196803

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have realized a quantum optics like Hanbury Brown-Twiss (HBT) experiment by partitioning, on an electronic beam splitter, single elementary electronic excitations produced one by one by an on-demand emitter. We show that the measurement of the output currents correlations in the HBT geometry provides a direct counting, at the single charge level, of the elementary excitations (electron-hole pairs) generated by the emitter at each cycle. We observe the antibunching of low energy excitations emitted by the source with thermal excitations of the Fermi sea already present in the input leads of the splitter, which suppresses their contribution to the partition noise. This effect is used to probe the energy distribution of the emitted wave packets.

引用

页数：5

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