Maqola

Sarlavhasiz

S. PirandolaDepartment of Computer Science and York Centre for Quantum Technologies, University of York, York YO10 5GH, UKUlrik L. AndersenCenter for Macroscopic Quantum States (bigQ), Department of Physics, Technical University of Denmark, Fysikvej, 2800 Kgs. Lyngby, DenmarkLeonardo BanchiDepartment of Physics and Astronomy, University of Florence, via G. Sansone 1, I-50019 Sesto Fiorentino (FI), ItalyMario BertaImperial College LondonDarius BunandarResearch Laboratory of Electronics, Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts 02139, USARoger ColbeckDepartment of Mathematics, University of York, York YO10 5DD, UKDirk EnglundResearch Laboratory of Electronics, Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts 02139, USATobias GehringCenter for Macroscopic Quantum States (bigQ), Department of Physics, Technical University of Denmark, Fysikvej, 2800 Kgs. Lyngby, DenmarkCosmo LupoDepartment of Physics and Astronomy, University of Sheffield, Sheffield S3 7RH, UKC. OttavianiDepartment of Computer Science and York Centre for Quantum Technologies, University of York, York YO10 5GH, UKJason L. PereiraDepartment of Computer Science and York Centre for Quantum Technologies, University of York, York YO10 5GH, UKMohsen RazaviSchool of Electronic and Electrical Engineering, University of Leeds, Leeds, LS2 9JT, UKJesni Shamsul ShaariInstitute of Mathematical Research (INSPEM), University Putra Malaysia, 43400 UPM Serdang, Selangor, MalaysiaM. TomamichelCentre for Quantum Computation and Communication TechnologyV. C. UsenkoDepartment of Optics, Palacky University, 17. listopadu 50, 772 07 Olomouc, Czech RepublicG. ValloneDipartimento di Ingegneria dell’Informazione, Universitá degli Studi di Padova, via Gradenigo 6B, 35131 Padova, ItalyPaolo VilloresiDipartimento di Ingegneria dell’Informazione, Universitá degli Studi di Padova, via Gradenigo 6B, 35131 Padova, ItalyPetros WalldenSchool of Informatics, University of Edinburgh, 10 Crichton Street, Edinburgh EH8 9AB, UK

2020en

ABI

Annotatsiya

Quantum cryptography is arguably the fastest growing area in quantum information science. Novel theoretical protocols are designed on a regular basis, security proofs are constantly improving, and experiments are gradually moving from proof-of-principle lab demonstrations to in-field implementations and technological prototypes. In this review, we provide both a general introduction and a state of the art description of the recent advances in the field, both theoretically and experimentally. We start by reviewing protocols of quantum key distribution based on discrete variable systems. Next we consider aspects of device independence, satellite challenges, and high rate protocols based on continuous variable systems. We will then discuss the ultimate limits of point-to-point private communications and how quantum repeaters and networks may overcome these restrictions. Finally, we will discuss some aspects of quantum cryptography beyond standard quantum key distribution, including quantum data locking and quantum digital signatures.

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