图 1方程(2)的Lyapunov指数

Figure 1.Lyapunov exponent of equation (2)

图 2混沌吸引子(c=0.73)

Figure 2.Chaotic attractor (c=0.73)

图 3 输出随时间的演化(c=0.73)

Figure 3.Evolution of laser output with time (c=0.73)

图 4混沌吸引子(c=−2)

Figure 4.Chaotic attractor (c=−2)

图 5 输出随时间的演化(c=−2)

Figure 5.Evolution of laser output with time (c=−2)

图 6半导体 器输出随时空演化曲线

Figure 6.Evolution curve of semiconductor laser output with time and space

图 7耦合系统的最大Lyapunov指数

Figure 7.Maximum Lyapunov exponent of the coupled system

图 8两个半导体 器状态变量之间的误差 $ {e_1}(r,t) $

Figure 8.Error $ {e_1}(r,t) $ between state variables of two semiconductor lasers

图 9两个半导体 器状态变量之间的误差 $ {e_2}(r,t) $

Figure 9.Error $ {e_2}(r,t) $ between state variables of two semiconductor lasers

图 10两个半导体 器状态变量之间的误差 $ {e_3}(r,t) $

Figure 10.Error $ {e_3}(r,t) $ between state variables of two semiconductor lasers

图 11多通道信号传输

Figure 11.Multi-channel signal transmission

图 12耦合系统的最大Lyapunov指数随耦合强度g_i(i=1, 2, 3, 4)的演化

Figure 12.Evolution of the maximum Lyapunov exponent of coupled system with coupling strengthg_i(i=1, 2, 3, 4)

图 13耦合系统状态变量之间的误差 ${e_{ij}}(r,t)(i = 1,2,3,4\;\;j = 1,2,3)$

Figure 13.Error ${e_{ij}}(r,t)(i = 1,2,3,4\;\;j = 1,2,3)$ between the state variables of the coupling system