Nondestructive Optical Measurements of a Single Electron Spin in a Quantum Dot-Reference-Cited by-同舟云学术

Nondestructive Optical Measurements of a Single Electron Spin in a Quantum Dot

Published:2006-12-22 Issue:5807 Volume:314 Page:1916-1920
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Berezovsky J.¹,Mikkelsen M. H.¹,Gywat O.¹,Stoltz N. G.¹,Coldren L. A.¹,Awschalom D. D.¹

Affiliation:

1. Center for Spintronics and Quantum Computation, University of California, Santa Barbara, CA 93106, USA.

Abstract

Kerr rotation measurements on a single electron spin confined in a charge-tunable semiconductor quantum dot demonstrate a means to directly probe the spin off-resonance, thus minimally disturbing the system. Energy-resolved magneto-optical spectra reveal information about the optically oriented spin polarization and the transverse spin lifetime of the electron as a function of the charging of the dot. These results represent progress toward the manipulation and coupling of single spins and photons for quantum information processing.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference34 articles.

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3. Optical orientation and control of spin memory in individual InGaAs quantum dots

4. Measurement of relaxation between polarization eigenstates in single quantum dots

5. Raman coherence beats from the entangled state involving polarized excitons in single quantum dots

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