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Optica Publishing Group
  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference
  • OSA Technical Digest (CD) (Optica Publishing Group, 2009),
  • paper IWC7
  • https://doi.org/10.1364/IQEC.2009.IWC7

Entanglement-based Free Space Quantum Cryptography in Full Daylight

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Abstract

Many free space quantum key distribution systems are restricted to operation at night. Implementing spectral, spatial and temporal filtering techniques, we were able to establish a secure key transmission over several days using entangled photons.

© 2009 Optical Society of America

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