Design of FBG en/decoders in coherent 2-D time-wavelength OCDMA systems

被引：15
|
作者：
Zhang, Ye [1 ]
Chen, Hongwei [1 ]
Si, Zhijian [1 ]
Ji, Heng [1 ]
Xie, Shizhong [1 ]
机构：
[1] Tsinghua Univ, Beijing 100084, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2008年 / 20卷 / 9-12期
基金：
中国国家自然科学基金;
关键词：
fiber Bragg grating (FBG); optical code-division multiple-access (OCDMA);
D O I：
10.1109/LPT.2008.922331
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：
A novel fiber Bragg grating (FBG)-based en/decoder for the two-dimensional (2-D) time-spreading wavelength-hopping optical coding is proposed. Compared with other 2-D en/decoders, the proposed en/decoding for an optical code-division multiple-access (OCDMA) system uses a single phase-encoded FBG and coherent en/decoding. Furthermore, combined with reconstruction-equivalent-chirp technology, such en/decoders can be realized with a conventional simple fabrication setup. Experimental results of such en/decoders and the corresponding system test at a data rate of 5 Gb/s demonstrate that this kind of 2-D FBG-based en/decoders could improve the performances of OCDMA systems.
引用
收藏
页码：891 / 893
页数：3
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