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Related papers: Entanglement Distribution in Optical Networks

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The practical roll-out of quantum communication technologies in optical networks and the adoption of novel quantum applications demand the distribution of single or entangled photons. Flexibility and dynamicity are paramount for the…

Quantum networks scale the advantages of quantum communication protocols to more than just two distant users. Here we present a fully connected quantum network architecture in which a single entangled photon source distributes quantum…

Quantum key distribution (QKD) is a crucial technology for information security in the future. Developing simple and efficient ways to establish QKD among multiple users are important to extend the applications of QKD in communication…

Quantum Physics · Physics 2020-01-15 Xu Liu , Xin Yao , Rong Xue , Heqing Wang , Hao Li , Zhen Wang , Lixing You , Xue Feng , Fang Liu , Kaiyu Cui , Yidong Huang , Wei Zhang

Entanglement serves as a fundamental resource for quantum technologies, enabling communication and computation tasks that surpass classical limits. Its distribution across networks is essential for interconnecting quantum processors,…

Entanglement distribution in quantum networks will enable next-generation technologies for quantum-secured communications, distributed quantum computing and sensing. Future quantum networks will require dense connectivity, allowing multiple…

We implement an entanglement distribution network based on wavelength-multiplexing and optical switching for quantum communication applications. Using a high-brightness source based on spontaneous parametric down-conversion in…

Quantum Physics · Physics 2017-07-26 I. Herbauts , B. Blauensteiner , A. Poppe , T. Jennewein , H. Hübel

Entanglement distribution over long distances is essential for many quantum communication schemes like quantum teleportation, some variants of quantum key distribution, or implementations of a quantum internet. Distributing entanglement…

A long-distance quantum network for distributing entangled states would support novel information applications, such as unconditionally secure cryptography and distributed quantum computing. Realizing such a network requires hardware that…

Quantum Physics · Physics 2013-10-18 Cody Jones , Kristiaan De Greve , Yoshihisa Yamamoto

A fully connected quantum network with a wavelength division multiplexing architecture plays an increasingly pivotal role in quantum information technology. With such architecture, an entanglement-based network has been demonstrated in…

The ultimate goal of quantum information science is to build a global quantum network, which enables quantum resources to be distributed and shared between remote parties. Such quantum network can be realized by all fiber elements, which…

Quantum Physics · Physics 2016-10-19 Yin-Hai Li Zhi-Yuan Zhou , Zhao-Huai Xu , Li-Xin Xu , Bao-Sen Shi , Guang-Can Guo

Entangled photon pairs are of crucial importance in quantum networks. For the future demands of large-scale and secure quantum communication, integrated photon sources are highly effective solutions. Here, we report entanglement…

We present a proof-of-principle experimental demonstration of a reconfigurable entanglement distribution scheme utilizing a poled fiber-based source of broadband polarization-entangled photon pairs and dense wavelength-division…

Quantum Physics · Physics 2019-01-18 E. Y. Zhu , C. Corbari , A. V. Gladyshev , P. G. Kazansky , H. K. Lo , L. Qian

We present a method for quantum entanglement distribution over a so-called code-division-multiple-access network, in which two pairs of users share the same quantum channel to transmit information. The main idea of this method is to use…

Quantum Physics · Physics 2015-11-04 Chang-long Zhu , Nan Yang , Yu-xi Liu , Franco Nori , Jing Zhang

Entanglement distribution is a critical technique that enables numerous quantum applications. Most fiber-based long-distance experiments reported to date have utilized photon pair sources generated in bulk optical crystals, with the…

Quantum Physics · Physics 2024-08-01 Yuan-yuan Zhao , Fuyong Yue , Feng Gao , Qibing Wang , Chao Li , Zichen Liu , Lei Wang , Zhixue He

Distributing high-fidelity, high-rate entanglement over telecommunication infrastructure is one of the main paths towards large-scale quantum networks, enabling applications such as quantum encryption and network protection, blind quantum…

We investigate resource allocation for quantum entanglement distribution over an optical network. We characterize and model a network architecture that employs a single quasideterministic time-frequency heralded EPR-pair source, and develop…

Networking and Internet Architecture · Computer Science 2024-10-07 Rohan Bali , Ashley Tittelbaugh , Shelbi L. Jenkins , Anuj Agrawal , Jerry Horgan , Marco Ruffini , Daniel Kilper , Boulat A. Bash

Distributing entangled pairs is a fundamental operation required for many quantum information science and technology tasks. In a general entanglement distribution scheme, a photonic pulse is used to entangle a pair of remote quantum…

Quantum Physics · Physics 2019-03-06 Nicolo' Lo Piparo , William J. Munro , Kae Nemoto

Distributing entanglement over long distances remains a challenge due to its fragility when exposed to environmental effects. In this work, we compare various entanglement distribution protocols in a realistic noisy fiber network. We focus…

Granting information privacy is of crucial importance in our society, notably in fiber communication networks. Quantum cryptography provides a unique means to establish, at remote locations, identical strings of genuine random bits, with a…

Reconfigurable distribution of entangled states is essential for operation of quantum networks connecting multiple devices such as quantum memories and quantum computers. We introduce new quantum distribution network architecture enabling…

Quantum Physics · Physics 2021-08-05 Shuto Osawa , David S. Simon , Vladimir S. Malinovsky , Alexander V. Sergienko
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