Fast optical preparation, control, and readout of a single quantum dot spin.

Fast optical preparation, control, and readout of a single quantum dot spin. Research Abstract Details 

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Fast optical preparation, control, and readout of a single quantum dot spin. Abstract Text:

We propose and demonstrate the sequential initialization, optical control, and readout of a single spin trapped in a semiconductor quantum dot. Hole spin preparation is achieved through ionization of a resonantly excited electron-hole pair. Optical control is observed as a coherent Rabi rotation between the hole and charged-exciton states, which is conditional on the initial hole spin state. The spin-selective creation of the charged exciton provides a photocurrent readout of the hole spin state.

Fast optical preparation, control, and readout of a single quantum dot spin. Publishing Authors By Initials

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Fast optical preparation, control, and readout of a single quantum dot spin. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Physical review letters

VOLUME: 100

Page Numbers: 197401

Journal Abbreviation: Phys. Rev. Lett.

ISSN: 0031-9007

DAY: 13

MONTH: 05

YEAR: 2008

Fast optical preparation, control, and readout of a single quantum dot spin. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Fast optical preparation, control, and readout of a single quantum dot spin.

AFFILIATION: Department of Physics and Astronomy, University of Sheffield, Sheffield, S3 7RH, United Kingdom.

Country: United States

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MEDLINETA: Phys Rev Lett

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