非线性光环路镜的最优切换特性及其在直列全光中继器中的应用

IEEE International Symposium on Communications and Information Technology, 2004. ISCIT 2004. Pub Date : 2004-10-26 DOI:10.1109/ISCIT.2004.1413845

P. Kaewplung, S. Phattarabunchong, P. Thipchatchawanwong

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引用次数: 0

摘要

为了使非线性光环路反射镜具有最佳的切换特性，设计了非线性光环路反射镜，并对其作为非色散补偿系统中全光中继器的组成部分进行了性能研究。通过用控制脉冲在时间轴上扫描信号脉冲来实现最佳开关特性。该方案均匀地诱导各信号分量的相移，防止了频率啁啾和脉冲压缩的发生。通过数值模拟，我们证明了在采用NOLM的40 gbit /s非色散补偿系统中，信号可以传播100公里，比不使用NOLM的系统长50公里。

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Optimum switching characteristic of nonlinear optical loop mirror and its application to inline all-optical repeater

We design the nonlinear optical loop mirror (NOLM) to have the optimum switching characteristic and study the performance of the designed NOLM as a part in all-optical repeater in non-dispersion-compensated system. The optimum switching characteristic is achieved by scanning the signal pulse in time axis with the control pulse. This scheme induces the phase shift on each signal component equally, preventing the occurrence of the frequency chirp and pulse compression. By numerical simulations, we demonstrate that the signal can propagate in 40-Gbit/s non-dispersion-compensated system that employs NOLM for 100 km, which is 50 km longer than the system without NOLM.

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IEEE International Symposium on Communications and Information Technology, 2004. ISCIT 2004.

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