All-optical data format conversion between RZ and NRZ based on a Mach-Zehnder interferometric wavelength converter

被引：116
|
作者：
Xu, L [1 ]
Wang, BC [1 ]
Baby, V [1 ]
Glesk, I [1 ]
Prucnal, PR [1 ]
机构：
[1] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2003年 / 15卷 / 02期
关键词：
format conversion; optical communications; optical networks; semiconductor optical amplifiers (SOAs);
D O I：
10.1109/LPT.2002.806105
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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.
引用
收藏
页码：308 / 310
页数：3
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