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International Conference on Contemporary Computing

Quantum Communication: Concept, Applications, and Future Outlook

Tanya Rastogi, Vikas Hassija, Vikas Saxena

Published Aug 5, 2021• 5 citations
Publisher

Abstract

With the emergence of Quantum mechanics arrived the prospect of further development in technology. New areas of research and development came into the picture, one of them being Quantum communication. In 1991, the first protocol of Quantum cryptography and quantum non-duality attracted physicists, mathematicians, and computer scientists to explore the mysterious ways of the quantum world. Since then, quantum communication has evolved to an astonishing extent. Ultra-high-speed internet, computational power, optimization, and security have paved the way for innumerable possibilities ahead. This survey intends to investigate the concepts and applications of quantum communication. In this review article, we try to give an idea of quantum communication background by shedding light on polarization and entanglement, following which, we give a brief survey of its applications such as quantum teleportation, quantum key distribution, secure direct communication, and quantum memories. The study concludes with a discussion on the future outlook of this emerging paradigm.

DOI
10.1145/3474124.3474131

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With the emergence of Quantum mechanics arrived the prospect of further development in technology. New areas of research and development came into the picture, one of them being Quantum communication. In 1991, the first protocol of Quantum cryptography and quantum non-duality attracted physicists, mathematicians, and computer scientists to explore the mysterious ways of the quantum world. Since then, quantum communication has evolved to an astonishing extent. Ultra-high-speed internet, computational power, optimization, and security have paved the way for innumerable possibilities ahead. This survey intends to investigate the concepts and applications of quantum communication. In this review article, we try to give an idea of quantum communication background by shedding light on polarization and entanglement, following which, we give a brief survey of its applications such as quantum teleportation, quantum key distribution, secure direct communication, and quantum memories. The study concludes with a discussion on the future outlook of this emerging paradigm.
By the birth of Quantum Physics, many new areas were opened for research and development in the world of science and technology. One such field is Quantum Computing and Communication where there is room for all that was once a dream in the field of computing and communication. Ultra high speed, immunity to eavesdropping, security, and name it and it may be possible. This paper gives a brief review of what is happening in the field of quantum computing and communication. We try to give an idea on polarization, quantum entanglement and their use in quantum communication and also briefly explain quantum communication networks, teleportation over optic fiber cables, quantum cryptography, quantum based satellite communication and quantum memory.
This paper focuses on the concepts used in Quantum Cryptography and recent progress made. We look at the different categories of key distribution protocols that have been proposed and issues related to those. We then take an overview of two main approaches of communication using quantum cryptography concepts, i.e., ``Quantum Secure Direct Communication'' and ``Deterministic Secure Quantum Communication'', and limitations related to the usage of these schemes in a real-world system. At last, we list down the problems identified in the research and conclude our discussion by proposing areas of focus for future research.
This paper is an overview of quantum communication and propose the future directions of quantum communication, Quantum communication is a far more efficient technology compared with classical communication greater information storage capacity, higher security provided by quantum key which based on basic quantum mechanics laws and faster transmission speed without the limitation of distance. It is a mainstream of future communication developing direction. This paper depicts the basic architecture of quantum communication from different perspectives such as quantum internet, quantum key distribution and integration of quantum communication with other frontier technology. This gives a brief picture of current development of quantum communication. By integrating previous research, this paper demonstrated several existing challenges in decoherence, scalability of quantum network and verification and certification of information. Then this paper analysis the feasibility of solutions to those problems. Finaly, list the opportunities of quantum communication and its benefits, giving directions of future development like integrate photonic technology and free space quantum communication.
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.
Abstract Quantum entanglement, an unknown “spooky action” that confused scientists like Einstein, has become one of the research hotspots in quantum mechanics. Based on the technique, applications distributed among diverse fields have appeared, e.g., cryptography, computer science, distant communication, etc, which has attracted interest from researchers in varied fields. This article reviews the basics of manifestations of quantum entanglement, namely quantum key distribution, quantum computation, and quantum teleportation. An overview of milestones is presented, e.g., Bennett-Brassard 1984 protocol, entanglement-based quantum computers, Shor’s and Grover’s algorithm as well as the process of transporting quantum states at an unprecedented speed. Moreover, the implementations of quantum entanglement are demonstrated, evolving these technologies to higher levels. Finally, a brief conclusion and expectations for future developments on entanglement are given.
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.