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Conferences > QELS > 2010 > QPDA > QPDA9

The dark exciton in a quantum dot- a novel bright qubit with very long coherence time

E. Poem, Y. Kodriano, N. H. Lindner, B. D. Gerardot, P.M. Petroff, and D. Gershoni

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Abstract

We demonstrate for the first time that the quantum dot confined dark exciton is a natural, coherent and long-lived qubit. We optically “write” its spin state and successfully “read” its subsequent coherent evolution.

© 2010 Optical Society of America

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