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Optica Publishing Group
  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies
  • Technical Digest (CD) (Optica Publishing Group, 2004),
  • paper ITuI28
  • https://doi.org/10.1364/IQEC.2004.ITuI28

Quantum key distribution with coherent polarization states

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Abstract

We present an experimental quantum key distribution system with coherent light. Polarisation encoding ensures simple preparation and local oscillator free measurement. By postselection, a potential secret key can be established even in presence of losses>3dB.

© 2004 Optical Society of America

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