All-optical data format conversion between RZ and NRZ based on a Mach-Zehnder interferometric wavelength converter
All-optical data format conversion between RZ and NRZ based on a Mach-Zehnder interferometric wavelength converter
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DOI：
10.1109/lpt.2002.806105
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发表时间：
2003-01
影响因子：
2.6
通讯作者：
Lei Xu;B. Wang;V. Baby;I. Glesk;P. Prucnal
中科院分区：
文献类型：
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作者：
Lei Xu;B. Wang;V. Baby;I. Glesk;P. Prucnal
我们演示了两种不同数据格式之间的全光转换：返回到零（RZ）和非返回到零（NRZ）使用马赫-曾达干涉波长转换器。对于rz - nrz转换，提出了一种可减小半导体光放大器载流子恢复引起的波纹的复制方案。数值分析了脉波信号比与脉冲重复次数的关系。对于nrz - rz转换，该波长转换器也显示出高性能。由于数据格式的改变，转换后的RZ信号对NRZ信号有负的功率惩罚。
We demonstrate all-optical conversion between two different data formats: return-to-zero (RZ) and nonreturn-to-zero (NRZ) using a Mach-Zehnder interferometric wavelength converter. For RZ-to-NRZ conversion, a duplication scheme is demonstrated to reduce the ripples caused by the carrier recovery of the semiconductor optical amplifier. The relationship between the ripple-to-signal ratio and the number of pulse duplications is numerically analyzed. For the NRZ-to-RZ conversion, the wavelength converter also shows high performance. The converted RZ signal has a negative power penalty to the NRZ signal due to the change of the data format.