Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

Frontiers in Optics

Quantum Networks of Spin Registers in Diamond

T. H. Taminiau, Wolfgang Pfaff, Hannes Bernien, Machiel Blok, Bas Hensen, Gerwin Koolstra, Toeno van der Sar, Lucio Robledo, Ronald Hanson

Published Jan 1, 2012• 1 citation
Publisher

Abstract

We discuss our recent progress in creating networks of quantum registers in diamond by controlling and entangling nuclear spins through projective measurements and by coupling remote nitrogen-vacancy centers through two-photon interference.
DOI
10.1364/fio.2012.ftu1d.3

Related papers

Quantum Information and Networks with Spins in Diamond

T. H. Taminiau

The nitrogen-vacancy center in diamond is a promising candidate to realize quantum networks. We create multi-qubit nodes of nuclear spins in the environment and couple these nodes together by entangling remote nitrogen-vacancy centers through photons.

•Jan 1, 2014•1 citation

Quantum control of single spins and photons in diamond

Yiwen Chu, Emre Togan, Mikhail D. Lukin

The nitrogen-vacancy (NV) color center in diamond shows great promise as an optically addressable solid-state qubit amenable to many quantum-optics applications. Using the NV center, we have demonstrated spin-photon entanglement and manipulation of nuclear spins through coherent population trapping.

Nonlinear Optics•Jan 1, 2011•0 citations

The nitrogen-vacancy center: controlling quantum registers in diamond

Lilian Childress, Lucio Robledo, Hannes Bernien +5 more

Using the resonant optical transitions associated with individual nitrogen-vacancy defect centers, we demonstrate techniques for single-shot readout and quantum-optical connection of spin-based quantum registers in diamond.

Conference on Lasers and Electro-Optics•Jan 1, 2012•0 citations

Heralded quantum-entanglement transfer based on photon absorption of nitrogen-vacancy centers in diamond

Yong Zhang, Zhong Ding

As a kind of hybrid spin system, nitrogen-vacancy (NV) centers in diamond have shown great advantages in implementing quantum registers for quantum information processing (QIP). When scaling up quantum registers to quantum networks for long-distance quantum communication and distributed quantum computation, determining how to entangle two registers in distant nodes is a basic challenge in the absence of direct interactions. In this paper, we present a scheme for entangling two distant NV centers based on the special optical absorption and emission of NV centers. In this demonstration, we transfer the entanglement information of a pair of photons to nuclear spins in NV centers and create remote NV–NV entanglement mediated by entangled photons. We then explain how to extract the entangled information from NV centers to prepare on-demand entangled photons for optical quantum information processing. The strategy of entanglement transfer between spins and photons demonstrated herein may pave the way for an NV-center-based quantum network.

Journal of the Optical Society of America B•Oct 19, 2021•0 citations

Hiding a Quantum Cache in Diamonds

Simon C. Benjamin

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 single nitrogen-vacancy center electronic spin hyperfine coupled to nearby nuclear spins.We demonstrate individual control and readout of five nuclear spin qubits within one node.We then characterize the storage of quantum superpositions in individual nuclear spins under repeated application of a probabilistic optical internode entangling protocol.We find that the storage fidelity is limited by dephasing during the electronic spin reset after failed attempts.By encoding quantum states into a decoherence-protected subspace of two nuclear spins, we show that quantum coherence can be maintained for over 1000 repetitions of the remote entangling protocol.These results and insights pave the way towards remote entanglement purification and the realization of a quantum repeater using nitrogen-vacancy center quantum-network nodes.

Physics•Jun 22, 2016•2 citations

Quantum control of spins and photons in diamond

Mikhail D. Lukin

We will discuss our recent work on developing new approaches for quantum control of single spins and single photons in diamond. Novel applications of these techniques to realization of quantum repeaters and nanoscale magnetic sensing will be described.

Frontiers in Optics•Jan 1, 2008•0 citations
As a kind of hybrid spin system, nitrogen-vacancy (NV) centers in diamond have shown great advantages in implementing quantum registers for quantum information processing (QIP). When scaling up quantum registers to quantum networks for long-distance quantum communication and distributed quantum computation, determining how to entangle two registers in distant nodes is a basic challenge in the absence of direct interactions. In this paper, we present a scheme for entangling two distant NV centers based on the special optical absorption and emission of NV centers. In this demonstration, we transfer the entanglement information of a pair of photons to nuclear spins in NV centers and create remote NV–NV entanglement mediated by entangled photons. We then explain how to extract the entangled information from NV centers to prepare on-demand entangled photons for optical quantum information processing. The strategy of entanglement transfer between spins and photons demonstrated herein may pave the way for an NV-center-based quantum network.
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 single nitrogen-vacancy center electronic spin hyperfine coupled to nearby nuclear spins.We demonstrate individual control and readout of five nuclear spin qubits within one node.We then characterize the storage of quantum superpositions in individual nuclear spins under repeated application of a probabilistic optical internode entangling protocol.We find that the storage fidelity is limited by dephasing during the electronic spin reset after failed attempts.By encoding quantum states into a decoherence-protected subspace of two nuclear spins, we show that quantum coherence can be maintained for over 1000 repetitions of the remote entangling protocol.These results and insights pave the way towards remote entanglement purification and the realization of a quantum repeater using nitrogen-vacancy center quantum-network nodes.