Experimental nonlocality-based network diagnostics of multipartite entangled states

被引：1

作者：

Ciampini, Mario A. ^{[1
]}

Vigliar, Caterina ^{[1
]}

Cimini, Valeria ^{[1
]}

Paesani, Stefano ^{[1
,2
,3
]}

Sciarrino, Fabio ^{[1
]}

Crespi, Andrea ^{[4
,5
]}

Corrielli, Giacomo ^{[4
,5
]}

Osellame, Roberto ^{[4
,5
]}

Mataloni, Paolo ^{[1
]}

Paternostro, Mauro ^{[6
]}

Barbieri, Marco ^{[7
]}

机构：

[1] Sapienza Univ Roma, Dipartimento Fis, Ple Aldo Moro 5, I-00185 Rome, Italy

[2] Univ Bristol, HH Wills Phys Lab, Ctr Quantum Photon, Merchant Venturers Bldg,Woodland Rd, Bristol BS8 1UB, Avon, England

[3] Univ Bristol, Dept Elect & Elect Engn, Merchant Venturers Bldg,Woodland Rd, Bristol BS8 1UB, Avon, England

[4] CNR, IFN, Pza Leonardo da Vinci 32, I-20133 Milan, MI, Italy

[5] Politecn Milan, Dipartimento Fis, Pza Leonardo da Vinci 32, I-20133 Milan, MI, Italy

[6] Queens Univ Belfast, Sch Math & Phys, Ctr Theoret Atom Mol & Opt Phys, Belfast BT7 1NN, Antrim, North Ireland

[7] Univ Rome Tre, Dipartimento Sci, Via Vasca Navale 84, I-00146 Rome, Italy

来源：

SCIENTIFIC REPORTS | 2017年 / 7卷

基金：

欧洲研究理事会;

关键词：

QUANTUM GATES; IMPLEMENTATION;

D O I：

10.1038/s41598-017-17457-0

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We introduce a novel diagnostic scheme for multipartite networks of entangled particles, aimed at assessing the quality of the gates used for the engineering of their state. Using the information gathered from a set of suitably chosen multiparticle Bell tests, we identify conditions bounding the quality of the entangled bonds among the elements of a register. We illustrate the effectiveness of our proposal by characterizing a quantum resource engineered combining two-photon hyperentanglement and photonic-chip technology. Our approach opens up future studies on medium-sized networks due to the intrinsically modular nature of cluster states, and paves the way to section-by-section analysis of larger photonics resources.

引用

页数：7

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