10-GHz clock differential phase shift quantum key distribution experiment.

@article{Takesue200610GHzCD,
  title={10-GHz clock differential phase shift quantum key distribution experiment.},
  author={Hiroki Takesue and Eleni Diamanti and Carsten Langrock and Martin M. Fejer and Yoshihisa Yamamoto},
  journal={Optics express},
  year={2006},
  volume={14 20},
  pages={9522-30}
}
This paper reports the first quantum key distribution experiment implemented with a 10-GHz clock frequency. We used a 10-GHz actively mode-locked fiber laser as a source of short coherent pulses and single photon detectors based on frequency up-conversion in periodically poled lithium niobate waveguides. The use of short pulses and low-jitter upconversion detectors significantly reduced the bit errors caused by detector dark counts even after long-distance transmission of a weak coherent state… CONTINUE READING