Prospects for Spin-Based Quantum Computing

Abstract

Experimental and theoretical progress toward quantum computation with spins in quantum dots (QDs) is reviewed, with particular focus on QDs formed in GaAs heterostructures, on nanowire-based QDs, and on self-assembled QDs. We report on a remarkable evolution of the field where decoherence, one of the main challenges for realizing quantum computers, no longer seems to be the stumbling block it had originally been considered. General concepts, relevant quantities, and basic requirements for spin-based quantum computing are explained; opportunities and challenges of spin-orbit interaction and nuclear spins are reviewed. We discuss recent achievements, present current theoretical proposals, and make several suggestions for further experiments.

21 pages, 5 figures

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Cited by in corpus (223)

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• Dissipative Long-Range Entanglement Generation between Electronic Spins
• Highly tunable quadruple quantum dot in a narrow bandgap semiconductor InAs nanowire
• Phonon-assisted relaxation and decoherence of singlet-triplet qubits in Si/SiGe quantum dots
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