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Conferences > CLEO_QELS > 2015 > FM2B > FM2B.6

Fast High-Fidelity Hole Spin Initialisation in a Single Quantum Dot at Zero Magnetic Field

A. J. Brash, L. M. P. Martins, F. Liu, J. H. Quilter, M. S. Skolnick, and A. M. Fox

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Abstract

Fast (~50 ps) initialization of a long-lived hole spin qubit in a single InGaAs quantum dot is achieved by exciton ionization. A QD exhibiting no fine structure yields fidelities exceeding 98% at zero external field thus forming a key building block for high fidelity quantum information processing.

© 2015 Optical Society of America

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