双环掺铒光纤激光器混沌反相位相移同步控制

提出了双环单模掺铒光纤激光器激光混沌反相位相移双环对双环驱动-响应同步控制系统的理论模型．其中，一个双环单模掺铒光纤激光器作为驱动系统，另一个具有2个附加的反馈回路的双环单模掺铒光纤激光器作为响应系统，而2个相移控制器反相位控制注入光的相移且和双环单模掺铒光纤激光器响应系统的反馈回路共同实现光的反馈反相位控制，即在反馈反相位的基础上，通过相移控制器调制注入光的相移可以控制混沌同步；数值模拟表明，无论是注入光的对称耦合驱动控制还是非对称耦合驱动控制，该方法都能有效地使混沌系统同步．

Study on controlling chaos synchronization by reverse-phase-shift in dual-ring erbium-doped fiber lasers

A theoretical model of a dual-ring-dual-ring driving-response chaotic synchronous system with dual-ring single-mode erbium-doped fiber lasers is presented. One dual-ring single-mode erbium-doped fiber laser is used as a driving subsystem and the other with two additional feedback paths is used as a response subsystem. Two phase-shift-controllers control the reverse of the phase shift of the injection lights and together with the feedback paths of the response subsystem realize the control of two reverse-phase-shift of the lights. Based on the reverse-phase and feedback method, chaotic synchronization can be controlled by adjusting the injection light phase-shifts with the help of the phase-shift-controllers. Numerical simulations show that by this method chaotic synchronization can be achieved effectively no matter whether or not the coupling driving control of the injection lights is symmetrical.