activity
20142018
most citedExperimental loophole-free violation of a Bell inequality using entangled electron spins separated by 1.3 km

2.8k citations · 5.3k across the 12 of their papers we have counts for

collaborators

12 papers

quant-ph2018★ 78 cited

Dephasing mechanisms of diamond-based nuclear-spin memories for quantum networks

N. Kalb, P. C. Humphreys, J. J. Slim +1

We probe dephasing mechanisms within a quantum network node consisting of a single nitrogen-vacancy centre electron spin that is hyperfine coupled to surrounding n…

quant-ph2018★ 542 cited

Deterministic delivery of remote entanglement on a quantum network

Peter C. Humphreys, Norbert Kalb, Jaco P. J. Morits +5

Large-scale quantum networks promise to enable secure communication, distributed quantum computing, enhanced sensing and fundamental tests of quantum mechanics through the distribu…

quant-ph2018★ 301 cited

One-second coherence for a single electron spin coupled to a multi-qubit nuclear-spin environment

Mohamed H. Abobeih, Julia Cramer, Michiel A. Bakker +4

Single electron spins coupled to multiple nuclear spins provide promising multi-qubit registers for quantum sensing and quantum networks. The obtainable level of control is determi…

quant-ph2017★ 65 cited

Parameter regimes for a single sequential quantum repeater

Filip Rozpędek, Kenneth Goodenough, Jérémy Ribeiro +6

Quantum key distribution allows for the generation of a secret key between distant parties connected by a quantum channel such as optical fibre or free space. Unfortunately, the ra…

quant-ph2017★ 411 cited

Entanglement Distillation between Solid-State Quantum Network Nodes

Norbert Kalb, Andreas A. Reiserer, Peter C. Humphreys +7

The potential impact of future quantum networks hinges on high-quality quantum entanglement shared between network nodes. Unavoidable real-world imperfections necessitate means to…

quant-ph2016★ 99 cited

Loophole-free Bell test using electron spins in diamond: second experiment and additional analysis

B. Hensen, N. Kalb, M. S. Blok +11

The recently reported violation of a Bell inequality using entangled electronic spins in diamonds (Hensen et al., Nature 526, 682-686) provided the first loophole-free evidence aga…

quant-ph2016★ 43 cited

Quantum Zeno subspaces by repeated multi-spin projections

Norbert Kalb, Julia Cramer, Matthew Markham +3

Repeated observations inhibit the coherent evolution of quantum states through the quantum Zeno effect. In multi-qubit systems this effect provides new opportunities to control com…

quant-ph2016★ 115 cited

Robust quantum-network memory using decoherence-protected subspaces of nuclear spins

Andreas Reiserer, Norbert Kalb, Machiel S. Blok +5

The realization of a network of quantum registers is an outstanding challenge in quantum science and technology. We experimentally investigate a network node that consists of a sin…

quant-ph2015★ 2.8k cited

Experimental loophole-free violation of a Bell inequality using entangled electron spins separated by 1.3 km

B. Hensen, H. Bernien, A. E. Dréau +16

For more than 80 years, the counterintuitive predictions of quantum theory have stimulated debate about the nature of reality. In his seminal work, John Bell proved that no theory…

quant-ph2015★ 253 cited

Repeated quantum error correction on a continuously encoded qubit by real-time feedback

Julia Cramer, Norbert Kalb, M. Adriaan Rol +6

Reliable quantum information processing in the face of errors is a major fundamental and technological challenge. Quantum error correction protects quantum states by encoding a log…

quant-ph2015★ 105 cited

Heralded Storage of a Photonic Quantum Bit in a Single Atom

Norbert Kalb, Andreas Reiserer, Stephan Ritter +1

Combining techniques of cavity quantum electrodynamics, quantum measurement, and quantum feedback, we have realized the heralded transfer of a polarization qubit from a photon onto…

quant-ph2014★ 403 cited

A Quantum Gate between a Flying Optical Photon and a Single Trapped Atom

Andreas Reiserer, Norbert Kalb, Gerhard Rempe +1

The steady increase in control over individual quantum systems has backed the dream of a quantum technology that provides functionalities beyond any classical device. Two particula…