Spectral amplitude-coding optical CDMA system using Mach-Zehnder interferometers

被引：19
|
作者：
Lin, CH [1 ]
Wu, JS
Tsao, HW
Yang, CL
机构：
[1] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan
[2] Natl Taiwan Univ, Grad Inst Commun Engn, Taipei 10617, Taiwan
[3] Tamkang Univ, Dept Elect Engn, Taipei 10617, Taiwan
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2005年 / 23卷 / 04期
关键词：
optical code-division multiple access (OCDMA); spectral amplitude coding (SAC); modified prime codes; multi-user interference (MUI); Mach-Zehnder interferometer;
D O I：
10.1109/JLT.2005.844205
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：
In this paper, we propose a family of newly constructed codes to suppress the phase-induced intensity noise (PIIN) in spectral amplitude-coding (SAC) optical code division multiple access (OCDMA) systems. These new codes are derived from modified prime codes and their cross-correlation is not larger than one. We also present a novel SAC-OCDMA system employing the new codes together with Mach-Zehnder interferometers to eliminate the multi-user interference (MUI). Compared with the systems employing modified quadratic congruence codes (MQC codes), numerical results verify that our proposed system can more effectively suppress the PUN and eliminate MUI. Hence, the number of simultaneously users and total transmission rate increases significantly.
引用
收藏
页码：1543 / 1555
页数：13
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