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提出了带有光延迟反馈回路的单环掺铒光纤激光器系统,并对其动力学特性进行了分析。在传输信息幅度较小时,利用信息掩盖技术在掺铒光纤激光器系统中实现了混沌的保密通信,即使系统的参数在一定范围内存在失配时,混沌同步也可以维持得非常好。
A single-loop erbium-doped fiber laser system with optical delay feedback loop is proposed and its dynamic characteristics are analyzed. When the amplitude of transmission information is small, the chaotic secure communication is realized by using information masking technique in erbium-doped fiber laser system. The chaotic synchronization can be maintained very well even if the parameters of the system are mismatched within a certain range.