Results 121 to 130 of about 8,288,417 (402)

Silicon quantum processor with robust long-distance qubit couplings

open access: yesNature Communications, 2017
Quantum computers will require a large network of coherent qubits, connected in a noise-resilient way. Tosi et al. present a design for a quantum processor based on electron-nuclear spins in silicon, with electrical control and coupling schemes that ...
Guilherme Tosi   +6 more
doaj   +1 more source

Broadband optical vortex beam generation using flat-surface nanostructured gradient index vortex phase masks

open access: yesScientific Reports, 2023
We developed a new kind of compact flat-surface nanostructured gradient index vortex phase mask, for the effective generation of optical vortex beams in broadband infrared wavelength range.
Hue Thi Nguyen   +8 more
doaj   +1 more source

Hydrogel‐Based Photothermal‐Catalytic Membrane for Efficient Cogeneration of Freshwater and Hydrogen in Membrane Distillation System

open access: yesAdvanced Functional Materials, EarlyView.
This work presents an overview of the PTC‐VMD system for water‐hydrogen co‐generation. a) Illustration of the hydrogel‐based PTC membrane and the co‐generation of water and hydrogen. b) Structure of the PTC‐VMD system and the functions of each component layer.
Jiawei Sun   +7 more
wiley   +1 more source

Covariance Dynamics and Entanglement in Translation Invariant Linear Quantum Stochastic Networks

open access: yes, 2015
This paper is concerned with a translation invariant network of identical quantum stochastic systems subjected to external quantum noise. Each node of the network is directly coupled to a finite number of its neighbours.
Petersen, Ian R.   +2 more
core   +1 more source

Packet switching in quantum networks: A path to the quantum Internet

open access: yesPhysical Review Research, 2022
Large-scale quantum networks with thousands of nodes require scalable network protocols and physical hardware to realize. In this paper, we introduce packet switching as a paradigm for quantum data transmission in both future and near-term quantum ...
Stephen DiAdamo   +4 more
doaj   +1 more source

Networking quantum networks with minimum cost aggregation [PDF]

open access: yesarXiv, 2023
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 distribution of entanglement, entangled bits (ebits), between clients with fixed error, irrespective of their distance. In
arxiv  

Entanglement distillation between solid-state quantum network nodes [PDF]

open access: yesScience, 2017
A distillation protocol is developed that enhances entanglement between distant nodes of a quantum network. Entangle, swap, purify, repeat The key to a successful quantum internet will be the ability to generate robust entanglement between distant ...
N. Kalb   +9 more
semanticscholar   +1 more source

Quantum illumination networks

open access: yesRadar Sensor Technology XXVIII
Quantum illumination is an entanglement-based target detection protocol that provides quantum advantages despite the presence of entanglement-breaking noise. However, the advantage of traditional quantum illumination protocols is limited to impractical scenarios with low transmitted power and simple target configurations.
Xiaobin Zhao   +2 more
openaire   +3 more sources

Fibrous Pb(II)‐Based Coordination Polymer Operable as a Photocatalyst and Electrocatalyst for High‐Rate, Selective CO2‐to‐Formate Conversion

open access: yesAdvanced Functional Materials, EarlyView.
A coordination polymer [Pb(tadt)]n prepared by a microwave‐assisted solvothermal method selectively reduces CO2 into formate under visible light with a high apparent quantum yield of ≈25% at 400 nm. It can function as a pre‐catalyst, along with conductive Ketjen Black, to form an active PbCO3/Pb3(CO3)2(OH)2 mixture that exhibits a high Faradaic ...
Chomponoot Suppaso   +8 more
wiley   +1 more source

Quantum Hopfield neural network

open access: yes, 2018
Quantum computing allows for the potential of significant advancements in both the speed and the capacity of widely used machine learning techniques. Here we employ quantum algorithms for the Hopfield network, which can be used for pattern recognition ...
Bromley, Thomas R.   +3 more
core   +1 more source

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