output
20132026
most citedExperimental loophole-free violation of a Bell inequality using entangled electron spins separated by 1.3 km

2.8k citations

Showing 2021 · quant-phShow all

31 papers · 2 filters

quant-ph2021★ 44 cited

Deployed MDI-QKD and Bell-State Measurements Coexisting with Standard Internet Data and Networking Equipment

Remon C. Berrevoets, Thomas Middelburg, Raymond F. L. Vermeulen +8

The forthcoming quantum Internet is poised to allow new applications not possible with the conventional Internet. The ability for both quantum and conventional networking equipment…

quant-ph2021★ 39 cited

NetQASM -- A low-level instruction set architecture for hybrid quantum-classical programs in a quantum internet

Axel Dahlberg, Bart van der Vecht, Carlo Delle Donne +4

We introduce NetQASM, a low-level instruction set architecture for quantum internet applications. NetQASM is a universal, platform-independent and extendable instruction set with s…

quant-ph2021★ 87 cited

Experimental demonstration of entanglement delivery using a quantum network stack

Matteo Pompili, Carlo Delle Donne, Ingmar te Raa +10

Scaling current quantum communication demonstrations to a large-scale quantum network will require not only advancements in quantum hardware capabilities, but also robust control o…

quant-ph2021★ 27 cited

Continuous thermomajorization and a complete set of laws for Markovian thermal processes

Matteo Lostaglio, Kamil Korzekwa

The standard dynamical approach to quantum thermodynamics is based on Markovian master equations describing the thermalization of a system weakly coupled to a large environment, an…

quant-ph2021★ 30 cited

Measurement-driven navigation in many-body Hilbert space: Active-decision steering

Yaroslav Herasymenko, Igor Gornyi, Yuval Gefen

The challenge of preparing a system in a designated state spans diverse facets of quantum mechanics. To complete this task of steering quantum states, one can employ quantum contro…

quant-ph2021★ 371 cited

Qubit teleportation between non-neighboring nodes in a quantum network

S. L. N. Hermans, M. Pompili, H. K. C. Beukers +3

Future quantum internet applications will derive their power from the ability to share quantum information across the network. Quantum teleportation allows for the reliable transfe…

quant-ph2021★ 97 cited

Spiderweb array: A sparse spin-qubit array

Jelmer M. Boter, Juan P. Dehollain, Jeroen P. G. van Dijk +8

One of the main bottlenecks in the pursuit of a large-scale--chip-based quantum computer is the large number of control signals needed to operate qubit systems. As system sizes sca…

quant-ph2021★ 505 cited

Fast universal quantum control above the fault-tolerance threshold in silicon

Akito Noiri, Kenta Takeda, Takashi Nakajima +4

Fault-tolerant quantum computers which can solve hard problems rely on quantum error correction. One of the most promising error correction codes is the surface code, which require…

quant-ph2021★ 244 cited

Fault-tolerant operation of a logical qubit in a diamond quantum processor

M. H. Abobeih, Y. Wang, J. Randall +6

Solid-state spin qubits are a promising platform for quantum computation and quantum networks. Recent experiments have demonstrated high-quality control over multi-qubit systems, e…

quant-ph2021★ 37 cited

Heisenberg-limited quantum phase estimation of multiple eigenvalues with few control qubits

Alicja Dutkiewicz, Barbara M. Terhal, Thomas E. O'Brien

Quantum phase estimation is a cornerstone in quantum algorithm design, allowing for the inference of eigenvalues of exponentially-large sparse matrices.The maximum rate at which th…

quant-ph2021★ 199 cited

Observation of a many-body-localized discrete time crystal with a programmable spin-based quantum simulator

J. Randall, C. E. Bradley, F. V. van der Gronden +7

The discrete time crystal (DTC) is a recently discovered phase of matter that spontaneously breaks time-translation symmetry. Disorder-induced many-body-localization is required to…

quant-ph2021★ 543 cited

Computing with spin qubits at the surface code error threshold

Xiao Xue, Maximilian Russ, Nodar Samkharadze +4

High-fidelity control of quantum bits is paramount for the reliable execution of quantum algorithms and for achieving fault-tolerance, the ability to correct errors faster than the…

quant-ph2021★ 49 cited

A long-lived solid-state optical quantum memory for high-rate quantum repeaters

Mohsen Falamarzi Askarani, Antariksha Das, Jacob H. Davidson +8

We argue that long optical storage times are required to establish entanglement at high rates over large distances using memory-based quantum repeaters. Triggered by this conclusio…

quant-ph2021★ 252 cited

Precision tomography of a three-qubit donor quantum processor in silicon

Mateusz T. Mądzik, Serwan Asaad, Akram Youssry +17

Nuclear spins were among the first physical platforms to be considered for quantum information processing, because of their exceptional quantum coherence and atomic-scale footprint…

quant-ph2021★ 79 cited

Quantum control of the tin-vacancy spin qubit in diamond

Romain Debroux, Cathryn P. Michaels, Carola M. Purser +12

Group-IV color centers in diamond are a promising light-matter interface for quantum networking devices. The negatively charged tin-vacancy center (SnV) is particularly interesting…

quant-ph2021★ 292 cited

Quantum networks based on color centers in diamond

Maximilian Ruf, Noel H. Wan, Hyeongrak Choi +2

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 dis…

quant-ph2021★ 3 cited

Experimental study of quantum uncertainty from lack of information

Yuan-Yuan Zhao, Filip Rozpędek, Zhibo Hou +4

Quantum uncertainty is a well-known property of quantum mechanics that states the impossibility of predicting measurement outcomes of multiple incompatible observables simultaneous…

quant-ph2021★ 29 cited

Preparing Dicke states in a spin ensemble using phase estimation

Yang Wang, Barbara M. Terhal

We present a Dicke state preparation scheme which uses global control of spin qubits: our scheme is based on the standard phase estimation algorithm, which estimates the eigenv…

quant-ph2021★ 14 cited

Fundamental thresholds of realistic quantum error correction circuits from classical spin models

Davide Vodola, Manuel Rispler, Seyong Kim +1

Mapping quantum error correcting codes to classical disordered statistical mechanics models and studying the phase diagram of the latter has proven a powerful tool to study the fun…

quant-ph2021★ 60 cited

Coherence and entanglement of inherently long-lived spin pairs in diamond

H. P. Bartling, M. H. Abobeih, B. Pingault +7

Understanding and protecting the coherence of individual quantum systems is a central challenge in quantum science and technology. Over the last decades, a rich variety of methods…

quant-ph2021★ 18 cited

Topological-Graph Dependencies and Scaling Properties of a Heuristic Qubit-Assignment Algorithm

Matthew Steinberg, Sebastian Feld, Carmen G. Almudever +2

The qubit-mapping problem aims to assign and route qubits of a quantum circuit onto a NISQ device in an optimized fashion, with respect to some cost function. Finding an optimal so…

quant-ph2021★ 40 cited

Improved analytical bounds on delivery times of long-distance entanglement

Tim Coopmans, Sebastiaan Brand, David Elkouss

The ability to distribute high-quality entanglement between remote parties is a necessary primitive for many quantum communication applications. A large range of schemes for realiz…

quant-ph2021★ 39 cited

Error mitigation and quantum-assisted simulation in the error corrected regime

Matteo Lostaglio, Alessandro Ciani

A standard approach to quantum computing is based on the idea of promoting a classically simulable and fault-tolerant set of operations to a universal set by the addition of `magic…

quant-ph2021★ 25 cited

Enumerating all bilocal Clifford distillation protocols through symmetry reduction

Sarah Jansen, Kenneth Goodenough, Sébastian de Bone +2

Entanglement distillation is an essential building block in quantum communication protocols. Here, we study the class of near-term implementable distillation protocols that use bil…