Scheme for Universal High-Dimensional Quantum Computation with Linear Optics

被引：45

作者：

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

Bulmer, Jacob F. F. ^{[1
,2
]}

Jones, Alex E. ^{[1
,2
]}

Santagati, Raffaele ^{[1
,2
,4
]}

Laing, Anthony ^{[1
,2
]}

机构：

[1] Univ Bristol, HH Wills Phys Lab, Quantum Engn Technol Labs, Bristol BS8 1FD, Avon, England

[2] Univ Bristol, Dept Elect & Elect Engn, Bristol BS8 1FD, Avon, England

[3] Univ Copenhagen, Niels Bohr Inst, Ctr Hybrid Quantum Networks Hy Q, Blegdamsvej 17, DK-2100 Copenhagen, Denmark

[4] Int Iberian Nanotechnol Lab INL, Ave Mestre Jose Veiga, P-4715330 Braga, Portugal

来源：

PHYSICAL REVIEW LETTERS | 2021年 / 126卷 / 23期

基金：

英国工程与自然科学研究理事会;

关键词：

ENTANGLEMENT; GENERATION; STATES;

D O I：

10.1103/PhysRevLett.126.230504

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Photons are natural carriers of high-dimensional quantum information, and, in principle, can benefit from higher quantum information capacity and noise resilience. However, schemes to generate the resources required for high-dimensional quantum computing have so far been lacking in linear optics. Here, we show how to generate GHZ states in arbitrary dimensions and numbers of photons using linear optical circuits described by Fourier transform matrices. Combining our results with recent schemes for qudit Bell measurements, we show that universal linear optical quantum computing can be performed in arbitrary dimensions.

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