ArticleNature communications2022
Carbon defect qubit in two-dimensional WS
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Theoretical Investigation of Twist-Angle-Dependent Photoelectric Properties in Twisted Bilayer WSeMolecules (Basel, Switzerland) · 2026Article
- Quantum defects in two-dimensional van der Waals materials.Fundamental research · 2026Review
- Probing stress and magnetism at high pressures with two-dimensional quantum sensors.Nature communications · 2025Article
- Solid State Defect Emitters With no Electrical Activity.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Quantum sensing with optically accessible spin defects in van der Waals layered materials.Light, science & applications · 2024Article
- Review
- A substitutional quantum defect in WSNature communications · 2024Article
- Isotope engineering for spin defects in van der Waals materials.Nature communications · 2024Article
- High-throughput identification of spin-photon interfaces in silicon.Science advances · 2023Article
- Identification of an Oxygen Defect in Hexagonal Boron Nitride.The journal of physical chemistry letters · 2022Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Identifying and fabricating defect qubits in two-dimensional semiconductors are of great interest in exploring candidates for quantum information and sensing applications. A milestone has been recently achieved by demonstrating that single defect, a carbon atom substituting sulphur atom in single layer tungsten disulphide, can be engineered on demand at atomic size level precision, which holds a promise for a scalable and addressable unit. It is an immediate quest to reveal its potential as a qubit. To this end, we determine its electronic structure and optical properties from first principles. We identify the fingerprint of the neutral charge state of the defect in the scanning tunnelling spectrum. In the neutral defect, the giant spin-orbit coupling mixes the singlet and triplet excited states with resulting in phosphorescence at the telecom band that can be used to read out the spin state, and coherent driving with microwave excitation is also viable. Our results establish a scalable qubit in a two-dimensional material with spin-photon interface at the telecom wavelength region.
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Registered trials
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