Entanglement of spin-pair qubits with intrinsic dephasing times exceeding a minute

HP Bartling, MH Abobeih, B Pingault, MJ Degen… - Physical Review X, 2022 - APS
Understanding and protecting the coherence of individual quantum systems is a central
challenge in quantum science and technology. Over the past decades, a rich variety of …

Hyperfine spectroscopy of isotopically engineered group-IV color centers in diamond

IBW Harris, CP Michaels, KC Chen, RA Parker, M Titze… - PRX Quantum, 2023 - APS
A quantum register coupled to a spin-photon interface is a key component in quantum
communication and information processing. Group-IV color centers in diamond (Si V−, Ge …

Bath-limited dynamics of nuclear spins in solid-state spin platforms

M Onizhuk, G Galli - Physical Review B, 2023 - APS
Nuclear spins in the proximity of electronic spin defects in solids are promising platforms for
quantum information processing due to their ability to preserve quantum states for a …

Coherent microwave, optical, and mechanical quantum control of spin qubits in diamond

L Orphal‐Kobin, CG Torun, JM Bopp… - Advanced Quantum …, 2023 - Wiley Online Library
Diamond has emerged as a highly promising platform for quantum network applications.
Color centers in diamond fulfill the fundamental requirements for quantum nodes: they …

Analysis, recent challenges and capabilities of spin-photon interfaces in Silicon carbide-on-insulator

J Bader, H Arianfard, A Peruzzo, S Castelletto - npj Nanophotonics, 2024 - nature.com
Silicon-carbide (SiC) is a promising platform for long-distance quantum information
transmission via single photons, offering long spin coherence qubits, excellent electronic …

Identifying electronic transitions of defects in hexagonal boron nitride for quantum memories

C Cholsuk, A Çakan, S Suwanna… - Advanced Optical …, 2024 - Wiley Online Library
A quantum memory is a crucial keystone for enabling large‐scale quantum networks.
Applicable to the practical implementation, specific properties, ie, long storage time …

Qudit-Based Spectroscopy for Measurement and Control of Nuclear-Spin Qubits in Silicon Carbide

E Hesselmeier, P Kuna, I Takács, V Ivády, W Knolle… - Physical Review Letters, 2024 - APS
Nuclear spins with hyperfine coupling to single electron spins are highly valuable quantum
bits. Here we probe and characterize the particularly rich nuclear-spin environment around …

Blueprint for efficient nuclear spin characterization with color centers

M Zahedian, V Vorobyov, J Wrachtrup - Physical Review B, 2024 - APS
Nuclear spins in solids offer a promising avenue for developing scalable quantum hardware.
Leveraging nearby single-color centers, these spins can be efficiently addressed at the …

Coherent electric field control of orbital state of a neutral nitrogen-vacancy center

H Kurokawa, K Wakamatsu, S Nakazato… - Nature …, 2024 - nature.com
The coherent control of the orbital state is crucial for realizing the extremely-low power
manipulation of the color centers in diamonds. Herein, a neutrally-charged nitrogen-vacancy …

Requirements for upgrading trusted nodes to a repeater chain over 900 km of optical fiber

FF da Silva, G Avis, JA Slater… - Quantum Science and …, 2024 - iopscience.iop.org
We perform a numerical study of the distribution of entanglement on a real-world fiber grid
connecting the German cities of Bonn and Berlin. The connection is realized using a chain of …