English
Related papers

Related papers: Quantum communication networks with optical vortic…

200 papers

The topology of classical networks is determined by physical links between nodes, and after a network request the links are used to establish the desired connections. Quantum networks offer the possibility to generate different kinds of…

Quantum Physics · Physics 2023-02-15 Jorge Miguel-Ramiro , Alexander Pirker , Wolfgang Dür

Efficient communication between qubits relies on robust networks which allow for fast and coherent transfer of quantum information. It seems natural to harvest the remarkable properties of systems characterized by topological invariants to…

Quantum Physics · Physics 2017-11-23 Nicolai Lang , Hans Peter Büchler

The theoretically proven security of quantum key distribution (QKD) could revolutionise how information exchange is protected in the future. Several field tests of QKD have proven it to be a reliable technology for cryptographic key…

Quantum communication is the most secure technique of transmitting data available today. Fiber communication lines and satellite-to-ground links have served as the basis for the most successful quantum networks that have been developed so…

Networking and Internet Architecture · Computer Science 2024-09-04 Adarsh Kumar , Ali Ismail Awad , Gaurav Sharma , Rajalakshmi Krishnamurthi , Saurabh Jain , P. Srikanth , Kriti Sharma , Mustapha Hedabou , Surinder Sood

The future Quantum Internet is expected to be based on a hybrid architecture with core quantum transport capabilities complemented by conventional networking.Practical and foundational considerations indicate the need for conventional…

The Quantum Internet is envisioned as the final stage of the quantum revolution, opening fundamentally new communications and computing capabilities, including the distributed quantum computing. But the Quantum Internet is governed by the…

Data that is transient over an unsecured wireless network is always susceptible to being intercepted by anyone within the range of the wireless signal. Hence providing secure communication to keep the user information and devices safe when…

Cryptography and Security · Computer Science 2014-12-09 Priyanka Bhatia , Ronak Sumbaly

Twisted photons are photons carrying a well-defined nonzero value of orbital angular momentum (OAM). The associated optical wave exhibits a helical shape of the wavefront (hence the name) and an optical vortex at the beam axis. The OAM of…

Network-centric quantum communications (NQC) - a new, scalable instantiation of quantum cryptography providing key management with forward security for lightweight encryption, authentication and digital signatures in optical networks - is…

Realisation of significant advances in capabilities of sensors, computing, timing, and communication enabled by quantum technologies is dependent on engineering highly complex systems that integrate quantum devices into existing classical…

Emerging Technologies · Computer Science 2026-03-10 Hayato Ishida , Amal Elsokary , Maria Aslam , Catherine White , Michael J. de C. Henshaw , Siyuan Ji

A quantum network requires information transfer between distant quantum computers, which would enable distributed quantum information processing and quantum communication. One model for such a network is based on the probabilistic…

Quantum Physics · Physics 2015-06-12 A. Stute , B. Casabone , B. Brandstätter , K. Friebe , T. E. Northup , R. Blatt

The quantum internet is a global network to distribute entanglement and communicate quantum information with applications in cybersecurity, quantum computing, and quantum sensing. Here, we propose building a quantum internet using a…

Quantum Physics · Physics 2025-05-14 Alireza Shabani

Satellite-based quantum communications enable a bright future for global-scale information security. However, the spin orbital momentum of light, currently used in many mainstream quantum communication systems, only allows for quantum…

Quantum Physics · Physics 2020-07-07 Ziqing Wang , Robert Malaney , Jonathan Green

The utilization of quantum entanglement as a cryptographic resource has superseded conventional approaches to secure communication. Security and fidelity of intranetwork communication between quantum devices is the backbone of a quantum…

Quantum Physics · Physics 2023-10-11 Prateek Chawla , Adithi Ajith , C. M. Chandrashekar

Quantum networking enables the exchange of quantum information between physically separated quantum systems, which has applications ranging from quantum computing to unconditionally secure communication. Such quantum information is…

With the ability to transfer and process quantum information, large-scale quantum networks will enable a suite of fundamentally new applications, from quantum communications to distributed sensing, metrology, and computing. This perspective…

Quantum Physics · Physics 2021-09-01 Maximilian Ruf , Noel H. Wan , Hyeongrak Choi , Dirk Englund , Ronald Hanson

Quantum networks of quantum objects promise to be exponentially more powerful than the objects considered independently. To live up to this promise will require the development of error mitigation and correction strategies to preserve…

The rate and security of quantum communications between users placed at arbitrary points of a quantum communication network depend on the structure of the network, on its extension and on the nature of the communication channels. In this…

Quantum Physics · Physics 2024-05-20 Lorenzo Cirigliano , Valentina Brosco , Claudio Castellano , Claudio Conti , Laura Pilozzi

Reliable and efficient functioning of a quantum network depends on identifying and mitigating security risks originating from within and outside the network. We aim to construct a comprehensive framework for developing and assessing secure…

Quantum Physics · Physics 2021-09-30 Salini Karuvade , Barry C. Sanders

Quantum communication is developed owing to the theoretically proven security of quantum mechanics, which may become the main technique in future information security. However, most studies and implementations are limited to two or several…

Quantum Physics · Physics 2020-11-24 Xu Liu , Rong Xue , Heqing Wang , Hao Li , Xue Feng , Fang Liu , Kaiyu Cui , Zhen Wang , Lixing You , Yidong Huang , Wei Zhang