Scalable ion-photon quantum interface based on integrated diffractive mirrors

被引：30

作者：

Ghadimi, Moji ^{[1
]}

Blums, Valdis ^{[1
]}

Norton, Benjamin G. ^{[1
]}

Fisher, Paul M. ^{[1
]}

Connell, Steven C. ^{[1
]}

Amini, Jason M. ^{[2
]}

Volin, Curtis ^{[2
]}

Hayden, Harley ^{[2
]}

Pai, Chien-Shing ^{[2
]}

Kielpinski, David ^{[1
]}

Lobino, Mirko ^{[1
,3
]}

Streed, Erik W. ^{[1
,4
]}

机构：

[1] Griffith Univ, Ctr Quantum Dynam, Brisbane, Qld 4111, Australia

[2] Georgia Tech Res Inst, Atlanta, GA 30318 USA

[3] Griffith Univ, Queensland Micro & Nanotechnol Ctr, Brisbane, Qld 4111, Australia

[4] Griffith Univ, Inst Glyc, Gold Coast, Qld 4222, Australia

来源：

NPJ QUANTUM INFORMATION | 2017年 / 3卷

基金：

澳大利亚研究理事会;

关键词：

TRAPPED IONS; ATOM; ENTANGLEMENT; COMPUTER; QUBITS;

D O I：

10.1038/s41534-017-0006-6

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Quantum networking links quantum processors through remote entanglement for distributed quantum information processing and secure long-range communication. Trapped ions are a leading quantum information processing platform, having demonstrated universal small-scale processors and roadmaps for large-scale implementation. Overall rates of ion-photon entanglement generation, essential for remote trapped ion entanglement, are limited by coupling efficiency into single mode fibers and scaling to many ions. Here, we show a microfabricated trap with integrated diffractive mirrors that couples 4.1(6)% of the fluorescence from a Yb-174(+) ion into a single mode fiber, nearly triple the demonstrated bulk optics efficiency. The integrated optic collects 5.8(8)% of the p transition fluorescence, images the ion with sub-wavelength resolution, and couples 71(5)% of the collected light into the fiber. Our technology is suitable for entangling multiple ions in parallel and overcomes mode quality limitations of existing integrated optical interconnects.

引用

页数：4

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