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A quantum key distribution system based on two polarization beam splitters

Ma Hai-Qiang Li Ya-Ling Zhao Huan Wu Ling-An

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A quantum key distribution system based on two polarization beam splitters

Ma Hai-Qiang, Li Ya-Ling, Zhao Huan, Wu Ling-An
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  • We present a quantum key distribution system based on two polarization beam splitters, by means of which the phase modulator's polarization dependence is cancelled out. A high key generation rate has been obtained for the first time at 1310nm transmitted over a 25 km long fiber, with a fringe visibility of 99.4%. A sifted key rate of about 0.6 kbits/s and quantum bit error rate of about 0.5% are obtained.
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  • Abstract views:  6806
  • PDF Downloads:  1289
  • Cited By: 0
Publishing process
  • Received Date:  24 March 2005
  • Accepted Date:  27 April 2005
  • Published Online:  20 November 2005

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