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Abstract: We report on a complete free-space field implementation of a modified Ekert91protocol for quantum key distribution using entangled photon pairs. For eachphoton pair we perform a random choice between key generation and a Bellinequality. The amount of violation is used to determine the possible knowledgeof an eavesdropper to ensure security of the distributed final key.



Author: Alexander Ling, Matthew P. Peloso, Ivan Marcikic, Valerio Scarani, Antia Lamas-Linares, Christian Kurtsiefer

Source: https://arxiv.org/







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