Analysis of Subcarrier Multiplexed Quantum Key Distribution Systems: Signal, Intermodulation, and Quantum Bit Error Rate

@article{Capmany2009AnalysisOS,
  title={Analysis of Subcarrier Multiplexed Quantum Key Distribution Systems: Signal, Intermodulation, and Quantum Bit Error Rate},
  author={Jos{\'e} Capmany and Arturo Ortigosa-Blanch and Jos{\'e} Mora and Antonio Ruiz-Alba and Waldimar Amaya and Alejandro Mart{\'i}nez},
  journal={IEEE Journal of Selected Topics in Quantum Electronics},
  year={2009},
  volume={15},
  pages={1607-1621}
}
This paper provides an in-depth theoretical analysis of subcarrier multiplexed quantum key distribution (SCM-QKD) systems, taking into account as many factors of impairment as possible and especially considering the influence of nonlinear signal mixing on the end-to-end quantum bit error rate (QBER) and the useful key rate. A detailed analysis of SCM-QKD is performed considering the different factors affecting the sideband visibility (drifts in the modulator bias points, modulation index… CONTINUE READING