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Experimental quantum key distribution based on a Bell test

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 نشر من قبل Christian Kurtsiefer
 تاريخ النشر 2008
  مجال البحث فيزياء
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We report on a complete free-space field implementation of a modified Ekert91 protocol for quantum key distribution using entangled photon pairs. For each photon pair we perform a random choice between key generation and a Bell inequality. The amount of violation is used to determine the possible knowledge of an eavesdropper to ensure security of the distributed final key.



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