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Quantum Communications and Cryptography

2018-10-03 Science
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Release : 2018-10-03
Genre : Science
Kind : eBook
Book Rating : 607/5 ( reviews)

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Book Synopsis Quantum Communications and Cryptography by : Alexander V. Sergienko

Download or read book Quantum Communications and Cryptography written by Alexander V. Sergienko. This book was released on 2018-10-03. Available in PDF, EPUB and Kindle. Book excerpt: All current methods of secure communication such as public-key cryptography can eventually be broken by faster computing. At the interface of physics and computer science lies a powerful solution for secure communications: quantum cryptography. Because eavesdropping changes the physical nature of the information, users in a quantum exchange can easily detect eavesdroppers. This allows for totally secure random key distribution, a central requirement for use of the one-time pad. Since the one-time pad is theoretically proven to be undecipherable, quantum cryptography is the key to perfect secrecy. Quantum Communications and Cryptography is the first comprehensive review of the past, present, and potential developments in this dynamic field. Leading expert contributors from around the world discuss the scientific foundations, experimental and theoretical developments, and cutting-edge technical and engineering advances in quantum communications and cryptography. The book describes the engineering principles and practical implementations in a real-world metropolitan network as well as physical principles and experimental results of such technologies as entanglement swapping and quantum teleportation. It also offers the first detailed treatment of quantum information processing with continuous variables. Technologies include both free-space and fiber-based communications systems along with the necessary protocols and information processing approaches. Bridging the gap between physics and engineering, Quantum Communications and Cryptography supplies a springboard for further developments and breakthroughs in this rapidly growing area.

Quantum Computing and Quantum Communications

2003-05-20 Computers
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Release : 2003-05-20
Genre : Computers
Kind : eBook
Book Rating : 089/5 ( reviews)

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Book Synopsis Quantum Computing and Quantum Communications by : Colin P. Williams

Download or read book Quantum Computing and Quantum Communications written by Colin P. Williams. This book was released on 2003-05-20. Available in PDF, EPUB and Kindle. Book excerpt: This book contains selected papers presented at the First NASA International Conference on Quantum Computing and Quantum Communications, QCQC'98, held in Palm Springs, California, USA in February 1998. As the record of the first large-scale meeting entirely devoted to quantum computing and communications, this book is a unique survey of the state-of-the-art in the area. The 43 carefully reviewed papers are organized in topical sections on entanglement and quantum algorithms, quantum cryptography, quantum copying and quantum information theory, quantum error correction and fault-tolerant quantum computing, and embodiments of quantum computers.

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.

Multi-photon Quantum Secure Communication

2018-08-18 Technology & Engineering
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Release : 2018-08-18
Genre : Technology & Engineering
Kind : eBook
Book Rating : 184/5 ( reviews)

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Book Synopsis Multi-photon Quantum Secure Communication by : Pramode K. Verma

Download or read book Multi-photon Quantum Secure Communication written by Pramode K. Verma. This book was released on 2018-08-18. Available in PDF, EPUB and Kindle. Book excerpt: This book explores alternative ways of accomplishing secure information transfer with incoherent multi-photon pulses in contrast to conventional Quantum Key Distribution techniques. Most of the techniques presented in this book do not need conventional encryption. Furthermore, the book presents a technique whereby any symmetric key can be securely transferred using the polarization channel of an optical fiber for conventional data encryption. The work presented in this book has largely been practically realized, albeit in a laboratory environment, to offer proof of concept rather than building a rugged instrument that can withstand the rigors of a commercial environment.

Quantum Communication and Security

2007-06-28 Business & Economics
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Release : 2007-06-28
Genre : Business & Economics
Kind : eBook
Book Rating : 488/5 ( reviews)

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Book Synopsis Quantum Communication and Security by : S.Ya. Kilin

Download or read book Quantum Communication and Security written by S.Ya. Kilin. This book was released on 2007-06-28. Available in PDF, EPUB and Kindle. Book excerpt: This volume aims to assess the state-of-the-art in the field of Quantum Communication and Security and to identify new research challenges. The papers in this book concentrate mainly on quantum cryptography (both technical and experimental aspects and pure theory), general problems of theoretical quantum information and its realizations (laboratories and applied physics), and finally the related topics concerning quantum theory itself – the most fundamental questions. This publication is divided into four chapters: (1) Quantum Cryptography; (2) Theory of Quantum Information; (3) Production of Entangled States, Experimental Techniques; (4) Quantum Communication and Computation. The editors hope to disseminate a broad spectrum of advances in quantum information and communication through this book.

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