Spin–orbit qubit in a semiconductor nanowire

S. Nadj-Perge, S. M. Frolov, E. P. A. M. Bakkers and L. P. Kouwenhoven ()
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S. Nadj-Perge: Kavli Institute of Nanoscience, Delft University of Technology
S. M. Frolov: Kavli Institute of Nanoscience, Delft University of Technology
E. P. A. M. Bakkers: Kavli Institute of Nanoscience, Delft University of Technology
L. P. Kouwenhoven: Kavli Institute of Nanoscience, Delft University of Technology

Nature, 2010, vol. 468, issue 7327, 1084-1087

Abstract: Towards the nanowire qubit A promising new form of quantum bit (qubit), the spin–orbit qubit, may be an improvement over both charge and spin qubits. In quantum physics, the motion of electrons can influence their spins through a fundamental effect called the spin–orbit interaction. Nadj-Perge et al. implement a spin–orbit quantum bit in an indium arsenide nanowire. The spin–orbit qubit is electrically controllable, and information can be stored in the spin. Nanowires are particularly suited to quantum computing as they can serve as one-dimensional templates for scalable qubit registers and can function in both electronic and optical devices.

Date: 2010
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DOI: 10.1038/nature09682

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