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A quantum internet holds promise for achieving distributed quantum sensing and large-scale quantum computer networks, as well as quantum communication among arbitrary clients all over the globe. The main building block is efficient…

量子物理 · 物理学 2023-05-19 Koji Azuma

Networking plays a ubiquitous role in quantum technology. It is an integral part of quantum communication and has significant potential for upscaling quantum computer technologies that are otherwise not scalable. Recently, it was realized…

Long-distance quantum communication via distant pairs of entangled quantum bits (qubits) is the first step towards more secure message transmission and distributed quantum computing. To date, the most promising proposals require quantum…

量子物理 · 物理学 2009-11-13 O. A. Collins , S. D. Jenkins , A. Kuzmich , T. A. B. Kennedy

In this paper, we present a distributed variant of adaptive stochastic gradient method for training deep neural networks in the parameter-server model. To reduce the communication cost among the workers and server, we incorporate two types…

机器学习 · 计算机科学 2021-06-16 Congliang Chen , Li Shen , Haozhi Huang , Wei Liu

Most traditional applications of quantum cryptography are point-to-point communications, in which only two users can exchange keys. In this letter, we present a network scheme that enable quantum key distribution between multi-user with…

量子物理 · 物理学 2007-05-23 Xiao-Fan Mo , Tao Zhang , Fang-Xing Xu , Zheng-Fu Han , Guang-Can Guo

Federated learning (FL) has attracted tremendous attentions in recent years due to its privacy preserving measures and great potentials in some distributed but privacy-sensitive applications like finance and health. However, high…

分布式、并行与集群计算 · 计算机科学 2021-04-14 Yuzhu Mao , Zihao Zhao , Guangfeng Yan , Yang Liu , Tian Lan , Linqi Song , Wenbo Ding

Federated learning (FL) enables geographically dispersed edge devices (i.e., clients) to learn a global model without sharing the local datasets, where each client performs gradient descent with its local data and uploads the gradients to a…

分布式、并行与集群计算 · 计算机科学 2022-12-19 Heting Liu , Fang He , Guohong Cao

We propose orthogonal frequency division multiplexing (OFDM), as a spectrally efficient multiplexing technique, for quantum key distribution (QKD) at the core of trustednode quantum networks. Two main schemes are proposed and analyzed in…

量子物理 · 物理学 2015-11-24 Sima Bahrani , Mohsen Razavi , Jawad A. Salehi

Pipeline parallelism has achieved great success in deploying large-scale transformer models in cloud environments, but has received less attention in edge environments. Unlike in cloud scenarios with high-speed and stable network…

分布式、并行与集群计算 · 计算机科学 2022-11-10 Haonan Wang , Connor Imes , Souvik Kundu , Peter A. Beerel , Stephen P. Crago , John Paul Walters

We study quantum entanglement distribution on networks with full-rank bi-partite mixed states linking qubits on nodes. In particular, we use entanglement swapping and purification to partially entangle widely separated nodes. The simplest…

量子物理 · 物理学 2012-01-24 G. J. Lapeyre , S. Perseguers , M. Lewenstein , A. Acín

Fault-tolerant modular quantum computing requires stabilizer measurements across the modules in a quantum network. For this, entangled states of high quality and rate must be distributed. Currently, two main types of entanglement…

Device-to-device (D2D) spectrum sharing in wireless communications is a challenging non-convex combinatorial optimization problem, involving entangled link scheduling and power control in a large-scale network. The state-of-the-art methods,…

网络与互联网体系结构 · 计算机科学 2024-08-20 Zhiwei Shan , Xinping Yi , Le Liang , Chung-Shou Liao , Shi Jin

Quantum Key Distribution (QKD) is a leading technology for enabling information-theoretic secure communication, with protocols such as BB84 and its variants already deployed in practical field implementations. As QKD evolves from…

We study a quantum switch that creates shared end-to-end entangled quantum states to multiple sets of users that are connected to it. Each user is connected to the switch via an optical link across which bipartite Bell-state entangled…

量子物理 · 物理学 2022-06-08 Thirupathaiah Vasantam , Don Towsley

Wider adoption of the Grid concept has led to an increasing amount of federated computational, storage and visualisation resources being available to scientists and researchers. Distributed and heterogeneous nature of these resources…

分布式、并行与集群计算 · 计算机科学 2007-11-05 Aleksandar Lazarevic , Lionel Sacks , Ognjen Prnjat

Quantum computing networks enable scalable collaboration and secure information exchange among multiple classical and quantum computing nodes while executing large-scale generative AI computation tasks and advanced quantum algorithms.…

网络与互联网体系结构 · 计算机科学 2024-01-17 Minrui Xu , Dusit Niyato , Jiawen Kang , Zehui Xiong , Yuan Cao , Yulan Gao , Chao Ren , Han Yu

A large scale quantum network requires the distribution of high-fidelity end-to-end entanglement. To overcome the range limitations inherent to terrestrial fiber, a leading architecture has emerged: satellite-based sources transmitting…

Distribution grid reliability and resilience has become a major topic of concern for utilities and their regulators. In particular, with the increase in severity of extreme events, utilities are considering major investments in distribution…

最优化与控制 · 数学 2023-06-13 Alexandre Moreira , Miguel Heleno , Alan Valenzuela , Joseph H. Eto , Jaime Ortega , Cristina Botero

Superconducting and photonic technologies are envisioned to play a key role in the Quantum Internet. However the hybridization of these technologies requires functional quantum transducers for converting superconducting qubits, exploited in…

量子物理 · 物理学 2026-01-15 Laura d'Avossa , Angela Sara Cacciapuoti , Marcello Caleffi

A wireless quantum network is generated between multi-hop, where each hop consists of two entangled nodes. These nodes share a finite number of entangled two qubit systems randomly. Different types of wireless quantum bridges are generated…

量子物理 · 物理学 2015-06-19 N. Metwally