面向星地量子保密通信的高功率连续变量明亮压缩光源研究  

High power continuous variable bright squeezed light source for satellite-earth quantum secure communication

作　　者：杨文海 李聪[1] 李渝[1] 冷晗阳 刁文婷[1] 蔡春晓 段崇棣[1] YANG Wenhai;LI Cong;LI Yu;LENG Hanyang;DIAO Wenting;CAI Chunxiao;DUAN Chongdi(China Academy of Space Technology(Xi’an),Xi’an 710000,China;Qian Xuesen Laboratory of Technology,China Academy of Space Technology,Beijing 100094,China)

机构地区：[1]中国空间技术研究院西安分院,西安710000 [2]中国空间技术研究院钱学森空间技术实验室,北京100094

出　　处：《空间电子技术》2022年第1期41-43,共3页Space Electronic Technology

基　　金：国家自然科学基金(编号:62001374,62005211,62071376)。

摘　　要：具有无条件安全和高速通信潜力的连续变量量子保密通信技术有望成为未来构建天地一体化信息网络的关键技术。首先介绍了基于光学参量放大器的高功率明亮压缩态光场制备技术和实验系统;然后通过理论分析实验结果,优化系统工作参数;最终获得光功率为200μW,压缩度为10 dB的明亮压缩态光场,为研制工程实用高功率连续变量明亮压缩态光源奠定了基础。With unconditional security and high-speed communication potential of the continuous variable quantum secure communication technology,which is expected to be the key technology to construct the integrated information network of heaven and earth in the future.In this paper,the fabrication technology and experimental system of high power bright squeezed state light field based on optical parametric amplifier are introduced.Then,the system parameters are optimized by theoretical analysis of the experimental results.Finally,a bright squeezed state light field with power of 200μW and quantum noise reduction of 10 dB is directly detected,which lays a foundation for the development of high-power continuous variable bright squeezed state light source in space engineering.

关 键 词：星地量子保密通信 高功率 连续变量明亮压缩光源 

分 类 号：V447[航空宇航科学与技术—飞行器设计] O413[理学—理论物理]