Quantum key distribution based on phase encoding and polarization measurement
量子物理
2009-11-13 v1
摘要
A one-way quantum key distribution scheme based on intrinsically stable Faraday-mirror type Michelson interferometers with four-port polarizing beampslitters has been demonstrated which can compensate for birefringence effects automatically. The encoding is performed with phase modulators, but decoding is accomplished through measurement of the polarization state of Bob's photons. An extinction ratio of about 30dB was maintained for several hours over 50km of fiber at 1310nm without any adjustment to the setup, which shows its good potential for practical systems
引用
@article{arxiv.quant-ph/0702086,
title = {Quantum key distribution based on phase encoding and polarization measurement},
author = {Hai-Qiang Ma and Jian-Ling Zhao and Ling-An Wu},
journal= {arXiv preprint arXiv:quant-ph/0702086},
year = {2009}
}
备注
To appear in Optics Letters