One method is that the message is encoded into the total intensity output of the multi - mode transmitter laser . the other is that the transmitted message is encoded into the each mode intensity of the multi - mode transmitter laser . then the multi - channel communication between two identical multi - mode chaotic lasers can be achieved 在多模激光的混沌同步通讯中，通常有两种方法，一种是把信号叠加在多模激光的总强度上，另外一种是把信号叠加在多模激光中每一个模式的强度上，从而实现两台多模激光之间的多通道信号传输。
