Heralded amplification of photonic qubits

被引：22

作者：

Bruno, Natalia ^{[1
]}

Pini, Vittorio ^{[1
]}

Martin, Anthony ^{[1
]}

Verma, Varun B. ^{[2
]}

Nam, Sae Woo ^{[2
]}

Mirin, Richard ^{[2
]}

Lita, Adriana ^{[2
]}

Marsili, Francesco ^{[3
]}

Korzh, Boris ^{[1
]}

Bussieres, Felix ^{[1
]}

Sangouard, Nicolas ^{[4
]}

Zbinden, Hugo ^{[1
]}

Gisin, Nicolas ^{[1
]}

Thew, Rob ^{[1
]}

机构：

[1] Univ Geneva, Grp Appl Phys, CH-1211 Geneva 4, Switzerland

[2] NIST, Boulder, CO 80305 USA

[3] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[4] Univ Basel, Dept Phys, CH-4056 Basel, Switzerland

来源：

OPTICS EXPRESS | 2016年 / 24卷 / 01期

关键词：

NOISELESS LINEAR AMPLIFICATION; QUANTUM COMMUNICATION; STATE; CRYPTOGRAPHY; ENTANGLEMENT;

D O I：

10.1364/OE.24.000125

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate postselection free heralded qubit amplification for Time-Bin qubits and single photon states in an all-fibre, telecom-wavelength, scheme that highlights the simplicity, stability and potential for fully integrated photonic solutions. Exploiting high-efficiency superconducting detectors, the gain, fidelity and the performance of the amplifier are studied as a function of loss. We also demonstrate the first heralded single photon amplifier with independent sources. This provides a significant advance towards demonstrating device-independent quantum key distribution as well as fundamental tests of quantum mechanics over extended distances. (C) 2016 Optical Society of America

引用

页码：125 / 133

页数：9

共 38 条

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