In this paper, the definition and connotation of quantum communication technology are briefly analyzed, and the ideal model of quantum communication is briefly summarized.Secondly, the characteristics and advantages of quantum communication technology are briefly analyzed based on the progress process of quantum information and the existing technological degree and development space of quantum information technology.Finally, the development direction and application prospect of quantum information technology are analyzed, and the future development of quantum communication is analyzed.
In this paper, the definition and connotation of quantum communication technology are briefly analyzed, and the ideal model of quantum communication is briefly summarized.Secondly, the characteristics and advantages of quantum communication technology are briefly analyzed based on the progress process of quantum information and the existing technological degree and development space of quantum information technology.Finally, the development direction and application prospect of quantum information technology are analyzed, and the future development of quantum communication is analyzed.
Quantum Communication technology, which achieved many unprecedented breakthroughs in the past several years,is arousing the attentions from related authoritative bodies and the field of communication research with its particular characteristic of perfect security in information transmission. Firstly, in this paper, the course of development and milestones of quantum communication theory and technologies are reviewed. And the state-of-the-art of domestic and foreign quantum communication technologies are summarized, with the conclusion that the technology tends to be mature, and China stands in the front row of the world both in quantum communication theory and experiments. Then, the definition and model of the ideal quantum communication system are discussed and engineering scenarios of quantum communication system based on optical fiber channel and free space optical channel are provided. The security and communication ability now achieved by these scenarios are analyzed, drawing such conclusion that quantum communication technologies has both high practical value and broad development space. Finally, realistic application scenarios and future application prospect of quantum communication technology are presented, in consideration of the requirements and current technology levels.
Abstract With the progress of science and technology, as well as the development of the times, people begin to have higher requirements on the security and efficiency of communication, so quantum communication has attracted much more attention. Quantum communication has lots of advantages such as unconditional security, high transmission efficiency, strong anti-interference ability and good concealment performance. In this paper, the author analyzes the advantages and the present situation of quantum communication. This paper briefly introduces the model of quantum communication network, the quantum computing, data decoding based on quantum computation and the quantum search algorithm concepts, which are described in simple terms. Two quantum secure direct communication protocols are also introduced and analyzed, and the prospects of quantum communication are presented.
Quantum communication as a vital branch of quantum information science, leverages physical properties such as quantum superposition, entanglement, and the impossibility of cloning to pioneer entirely new technical pathways for achieving unconditional secure communication. This paper comprehensively and meticulously elucidates the core technological principles of quantum communication, including quantum key distribution, quantum teleportation, and quantum secure direct communication; It also delves into its application status in critical domains such as dedicated communications, finance, and government affairs. Furthermore, it analyzes the numerous technical challenges currently faced, including the stability of quantum bits, limitations on communication distance, and difficulties in standardization. Finally, it offers a prospective outlook on its future development trends. Research indicates that quantum communication technology is progressively transitioning from the laboratory to large-scale application stages, with its integration into existing communication systems and strategic value in national security domains becoming increasingly prominent.
The basic theory and the working principle on quantum secret communication are introduced in this paper, the realization process of protocols of quantum key distribution are analyzed, the key technology of quantum secret communication is discussed. In the resent year, relative experiment and research progress on quantum secret communication are summarized at home and abroad. Finally, the application and development potential on quantum secret communication are presented. This new cryptographic communication is different from classical cryptographic communication; it absolutely has the advantage of the safety.
Quantum cryptography communication technology is based on information security and it can achieve unconditional security, having been applied in many fields. Therefore, the author carries out study of the applications of the quantum cryptography communication technology. The author firstly outlines the principle of the technology, analyzes the network architecture of the technology and discusses the implementation of Quantum Key Distribution (QKD). Secondly, the author expounds the existing application scenarios and application methods, and finally prospects the future research development and the problems in engineering applications to be solved.
The paper overviews the fundamental principles, methods, technologies and applications of quantum communication. It introduces the basic protocol of secure quantum private communication, including the decoy method, quantum communication based on the entanglement distribution, quantum teleportation, manipulation of entangled photonspairs in polarization space. This review introduces recent status in quantum technology and applications, and attempts to discuss future directions in which the field is likely to develop.