Deterministic single-photon source from a single ion

被引：104

作者：

Barros, H. G. ^{[1
,2
]}

Stute, A. ^{[1
,2
]}

Northup, T. E. ^{[1
]}

Russo, C. ^{[1
,2
]}

Schmidt, P. O. ^{[1
]}

Blatt, R. ^{[1
,2
]}

机构：

[1] Univ Innsbruck, Inst Expt Phys, A-6020 Innsbruck, Austria

[2] IQOQI, A-6020 Innsbruck, Austria

来源：

NEW JOURNAL OF PHYSICS | 2009年 / 11卷

基金：

奥地利科学基金会;

关键词：

TRAPPED IONS; ONE-ATOM; QUANTUM; CAVITY; STATE; FLUORESCENCE; ENTANGLEMENT; GENERATION; MOLECULE;

D O I：

10.1088/1367-2630/11/10/103004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We realize a deterministic single-photon source from one and the same calcium ion interacting with a high-finesse optical cavity. Photons are created in the cavity with efficiency 88 +/- 17%, a tenfold improvement over previous cavity-ion sources. Results of the second-order correlation function are presented, demonstrating a high suppression of two-photon events limited only by background counts. The cavity photon pulse shape is obtained, with good agreement between experiment and simulation. Moreover, theoretical analysis of the temporal evolution of the atomic populations provides relevant information about the dynamics of the process and opens the way to future investigations of a coherent atom-photon interface.

引用

页数：10

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