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Journal of Changshu Institute of Technology

Progress in Quantum Cryptogram Communication Research

XU Qing-zheng

Published Jan 1, 2006• 0 citations
OpenAlex

Abstract

The quantum cryptography communication is the combination of classical cryptography theory and quantum mechanics.In this paper,we review the recent research progress in quantum cryptography communication in West Country such as America,Japan,Sweden,and Germany.The result is that it is in program in West Country and it is on start in China.To shorten this gap,we can work hard in single photo house,single photo detector,anti-eavesdrop technology,quantum magnify,adapt market competition.

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The quantum cryptography communication is the combination of classical cryptography theory and quantum mechanics.In this paper,we review the recent research progress in quantum cryptography communication in West Country such as America,Japan,Sweden,and Germany.The result is that it is in program in West Country and it is on start in China.To shorten this gap,we can work hard in single photo house,single photo detector,anti-eavesdrop technology,quantum magnify,adapt market competition.
Quantum communication based on quantum mechanics is a secure communication technology,which can provide unconditional security between communication parties in principle. Recently,quantum communication technology and its practical engineering have been regarded by many counties and regions such as the US,European Union,China and Japan. With the engineering development of quantum communication technology,it has been progressing from point-to-point communications to network applications,including local area networks and wide area networks. Furthermore,global quantum communication is developing. In the review,we summarize in detail the development of the quantum communication networks built by various countries,and introduce the plans of quantum satellites.
Quantum communication is an emerging interdisciplinary discipline that combines classical telecommunication and quantum mechanics. This paper discusses the recent progress of quantum communication in terms of the basic theoretical framework of quantum communication technology, optical devices, state-of-the-art applications. Based on the analysis, quantum communication technology research hotspots mainly involve quantum key distribution, quantum confidential communication, quantum invisible transmission, quantum entanglement, quantum cryptography, etc., which exhibits an increasingly rich trend. In addition, the limitations of the quantum communication are demonstrated from the perspective of practical applications. Afterwards, the future prospects of quantum communication technology are proposed accordingly. These results reveal that quantum communication applications are promising and are moving toward practicality.
China's first quantum cryptography network has been successfully tested in Beijing,the Chinese Academy of Sciences announced on April 2,2007.It is the only fully-connected quantum network that could make simultaneous communications without any relay ever reported in the world,according to experts.The feat is a crucial step towards the practical usage of quantum cryptography from the point-to-point network.The success of this experiment,laid the foundation for the development of quantum Internet.This paper describes the generation of quantum cryptography,the basic principle of quantum cryptography in the field of experimental research and research results,and finally pointed out that quantum cryptography will be an important technology to protect the security of network communication.
As a strategic frontier technology, quantum cryptography and quantum computation are closely related to national security and forward-looking technology strategy, and the application of quantum computation in the future will definitely promote the large-scale application of quantum networks. We briefly review the research progress of quantum secure communication and quantum computing and focus on the introduction of the high-performance quantum key distribution (QKD) terminal, quantum network, basic scientific problems of quantum computing in quantum chip devices and qubits manipulation and some practical important quantum technologies such as the integration of quantum and classical communication.