摘要
介绍了在全光纤量子保密通信系统的量子信道中利用可转动光纤圈型偏振控制器实现对光纤偏振态的测量和调整。实验证明该方法能有效控制光纤中的偏振态。
A method is proposed for measuring and controlling optical polarization by using circular fiber polarization controllers. A detailed matrix analysis of the modulation of the optical polarization state is given for the two-disc type controller. It is experimentally verified that this method is effective for controlling polarization in the quantum channel of a quantum cryptography system over a transmission distance of 25 km.
出处
《量子光学学报》
CSCD
北大核心
2005年第2期74-78,共5页
Journal of Quantum Optics
基金
国家重点基础研究发展规划项目(2001CB309301)
国家自然科学基金(60178013)
中国科学院知识创新工程(1731230300009)
关键词
偏振控制
光纤
量子保密通信
polarization control
optical fiber
quantum cryptography
