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Quantum Key Distribution

2021-09-05 Science
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Release : 2021-09-05
Genre : Science
Kind : eBook
Book Rating : 910/5 ( reviews)

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Book Synopsis Quantum Key Distribution by : Ramona Wolf

Download or read book Quantum Key Distribution written by Ramona Wolf. This book was released on 2021-09-05. Available in PDF, EPUB and Kindle. Book excerpt: This textbook introduces the non-specialist reader to the concepts of quantum key distribution and presents an overview of state-of-the-art quantum communication protocols and applications. The field of quantum cryptography has advanced rapidly in the previous years, not least because with the age of quantum computing drawing closer, traditional encryption methods are at risk. The textbook presents the necessary mathematical tools without assuming much background, making it accessible to readers without experience in quantum information theory. In particular, the topic of classical and quantum entropies is presented in great detail. Furthermore, the author discusses the different types of quantum key distribution protocols and explains several tools for proving the security of these protocols. In addition, a number of applications of quantum key distribution are discussed, demonstrating its value to state-of-the-art cryptography and communication. This book leads the reader through the mathematical background with a variety of worked-out examples and exercises. It is primarily targeted at graduate students and advanced undergraduates in theoretical physics. The presented material is largely self-contained and only basic knowledge in quantum mechanics and linear algebra is required.

Quantum Cryptography

2021-01-04 Science
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Release : 2021-01-04
Genre : Science
Kind : eBook
Book Rating : 603/5 ( reviews)

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Book Synopsis Quantum Cryptography by : Federico Grasselli

Download or read book Quantum Cryptography written by Federico Grasselli. This book was released on 2021-01-04. Available in PDF, EPUB and Kindle. Book excerpt: Rising concerns about the security of our data have made quantum cryptography a very active research field in recent years. Quantum cryptographic protocols promise everlasting security by exploiting distinctive quantum properties of nature. The most extensively implemented protocol is quantum key distribution (QKD), which enables secure communication between two users. The aim of this book is to introduce the reader to state-of-the-art QKD and illustrate its recent multi-user generalization: quantum conference key agreement. With its pedagogical approach that doesn’t disdain going into details, the book enables the reader to join in cutting-edge research on quantum cryptography.

Physical-Layer Security and Quantum Key Distribution

2019-09-14 Computers
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Release : 2019-09-14
Genre : Computers
Kind : eBook
Book Rating : 655/5 ( reviews)

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Book Synopsis Physical-Layer Security and Quantum Key Distribution by : Ivan B. Djordjevic

Download or read book Physical-Layer Security and Quantum Key Distribution written by Ivan B. Djordjevic. This book was released on 2019-09-14. Available in PDF, EPUB and Kindle. Book excerpt: This textbook integrates the most advanced topics of physical-layer security, cryptography, covert/stealth communications, quantum key distribution (QKD), and cyber security to tackle complex security issues. After introducing the reader to various concepts and practices, the author addresses how these can work together to target problems, rather than treating them as separate disciplines. This book offers students an in-depth exposition on: cryptography, information-theoretic approach to cryptography, physical-layer security, covert/stealth/low-probability of detection communications, quantum information theory, QKD, and cyber security; to mention few. The goal is to provide a unified description of the most advanced topics related to: (i) modern cryptography, (ii) physical-layer security, (iii) QKD, (iv) covert communications, and (v) cyber security. Each chapter is followed by a set of problems. Also, for readers to better understand the book, an appendix covers all needed background. Homework problems and lecture notes are available online. The book does not require any prior knowledge or prerequisite material.

High-Rate, High-Dimensional Quantum Key Distribution Systems

2018-12-14 Computers
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Release : 2018-12-14
Genre : Computers
Kind : eBook
Book Rating : 484/5 ( reviews)

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Book Synopsis High-Rate, High-Dimensional Quantum Key Distribution Systems by : Nurul T. Islam

Download or read book High-Rate, High-Dimensional Quantum Key Distribution Systems written by Nurul T. Islam. This book was released on 2018-12-14. Available in PDF, EPUB and Kindle. Book excerpt: This book describes a broad research program on quantum communication. Here, a cryptographic key is exchanged by two parties using quantum states of light and the security of the system arises from the fundamental properties of quantum mechanics. The author developed new communication protocols using high-dimensional quantum states so that more than one classical bit is transferred by each photon. This approach helps circumvent some of the non-ideal properties of the experimental system, enabling record key rates on metropolitan distance scales. Another important aspect of the work is the encoding of the key on high-dimensional phase-randomized weak coherent states, combined with so-called decoy states to thwart a class of possible attacks on the system. The experiments are backed up by a rigorous security analysis of the system, which accounts for all known device non-idealities. The author goes on to demonstrate a scalable approach for increasing the dimension of the quantum states, and considers attacks on the system that use optimal quantum cloning techniques. This thesis captures the current state-of-the-art of the field of quantum communication in laboratory systems, and demonstrates that phase-randomized weak coherent states have application beyond quantum communication.

Quantum Cryptography and Secret-Key Distillation

2006-06-29 Computers
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Release : 2006-06-29
Genre : Computers
Kind : eBook
Book Rating : 852/5 ( reviews)

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Book Synopsis Quantum Cryptography and Secret-Key Distillation by : Gilles van Assche

Download or read book Quantum Cryptography and Secret-Key Distillation written by Gilles van Assche. This book was released on 2006-06-29. Available in PDF, EPUB and Kindle. Book excerpt: This self-contained 2006 text introduces the principles and techniques of quantum cryptography, with specific focus on secret-key distillation. With its blend of fundamental theory, implementation techniques, and details of recent protocols, this book will be of interest to graduate students, researchers, and practitioners in electrical engineering, physics, and computer science.

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