基于IQ/CD的单光子载波矢量信号传输系统设计  

Design of single-photon-carrier vector signal transmission system based on IQ/CD

作　　者：查文刚[1] 杨真[1] 

机构地区：[1]华东交通大学现代教育技术中心,江西南昌330013

出　　处：《激光与红外》2015年第5期564-567,共4页Laser & Infrared

基　　金：江西省科技厅自然科学青年基金项目(No.20122BAB211040)资助

摘　　要：提出并验证了一种使用单光子载波、基于IQ调制和相干检测的新方法来传输两个矢量信号,单光子载波上的同一个偏振态光携带IQ调制信号,具有正交偏振状态的光载波直接通过光波调制光波传输,两个正交极化波的光发送到相干检测器中解调。仿真实验了在25km单模光纤两个QPSK信号以数据率为1Gbps传输时的传输性能。A novel approach to transmit two vector signals based on IQ modulation and coherent detection by using a single photon cartier is proposed and demonstrated. The same polarization state light of single photon carrier carries IQ modulation signal, and the optical carrier with an orthogonal polarization state directly modulated transmission of opti- cal wave through the optical wave. At the receiver, the two orthogonally polarized light waves are separated and sent to a coherent detector. The performance of the transmission is evaluated when the transmission of two QPSK signals with a data rate of 1 Gbps is implemented over a 25 km single-mode fiber.

关 键 词：单光子载波 IQ调制 相干检测 矢量信号 

分 类 号：TN929.18[电子电信—通信与信息系统]