Abstract
The synchronous transmission problem of chaotic signal between current-modulated semiconductor lasers is investigated using variable coupling method. The theoretical analysis about characteristics of current-modulated semiconductor lasers is derived. According to Lyapunov theory, the condition which can realize synchronous transmission between semiconductor lasers is derived through determining maximum Lyapunov exponent of the coupling system. Further study the synchronization performance between semiconductor lasers under the influence of bounded noise, the results show that it has a strong anti-interference ability.
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