ArticleNature communications2024
Approaching a fully-polarized state of nuclear spins in a solid.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Dynamic self-polarization of the nuclear spins in a GaAs quantum well.Science advances · 2026Article
- Low-Field Optical Polarization in Type-II Quantum Dots via Nuclear-Driven Dark State Mixing.Nano letters · 2026Article
- Storing quantum coherence in a quantum dot nuclear spin ensemble for over 100 milliseconds.Nature communications · 2025Article
- Telecom-wavelength quantum teleportation using frequency-converted photons from remote quantum dots.Nature communications · 2025Article
- Two-electron two-nucleus effective Hamiltonian and the spin diffusion barrier.Science advances · 2025Article
- Bidirectional nuclear polarization through electric dipole spin resonance enabled by spin-orbit interaction in a single hole planar quantum dot device.NPJ quantum information · 2025Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Magnetic noise of atomic nuclear spins is a major source of decoherence in solid-state spin qubits. In theory, near-unity nuclear spin polarization can eliminate decoherence of the electron spin qubit, while turning the nuclei into a useful quantum information resource. However, achieving sufficiently high nuclear polarizations has remained an evasive goal. Here we implement a nuclear spin polarization protocol which combines strong optical pumping and fast electron tunneling. Nuclear polarizations well above 95% are generated in GaAs semiconductor quantum dots on a timescale of 1 minute. The technique is compatible with standard quantum dot device designs, where highly-polarized nuclear spins can simplify implementations of qubits and quantum memories, as well as offer a testbed for studies of many-body quantum dynamics and magnetism.
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Registered trials
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