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将PolSK技术应用到混沌保密光通信中。利用半导体光放大器(SOA)构成光纤环状激光器产生偏振态混沌信号,并利用SOA的互相位调制(XPM)效应,通过信号光输入到激光器中,将传输数据动态地调制到混沌信号的偏振态上,实现数据保密通信。对PolSK混沌保密通信的基本原理进行了说明,给出了实验系统基本性能的测试结果,并进行了讨论。
PolSK technology is applied to chaotic secure optical communication. The optical fiber ring laser is made up of a semiconductor optical amplifier (SOA) to generate the polarization chaos signal, and the signal is input to the laser by utilizing the mutual phase modulation (XPM) effect of SOA, and the transmission data is dynamically modulated to the polarization state of the chaotic signal On the realization of data security communications. The basic principle of PolSK chaotic secure communication is described. The test results of the basic performance of the experimental system are given and discussed.