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Fast high fidelity hole spin initialization in a single InGaAs quantum dot

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 نشر من قبل Timothy Godden
 تاريخ النشر 2010
  مجال البحث فيزياء
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We demonstrate fast initialization of a single hole spin captured in an InGaAs quantum dot with a fidelity F>99% by applying a magnetic field parallel to the growth direction. We show that the fidelity of the hole spin, prepared by ionization of a photo-generated electron-hole pair, is limited by the precession of the exciton spin due to the anisotropic exchange interaction.



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