Novel method of chirped fiber Bragg grating optimization for 40Gbps optical transmission

  • Authors:

  • Bo Lv;Ou Xu;Shui-sheng Jian

  • Affiliations:

  • Beijing Jiaotong University, Beijing, China;Beijing Jiaotong University, Beijing, China;Beijing Jiaotong University, Beijing, China

  • Venue:
  • ICAIT '08 Proceedings of the 2008 International Conference on Advanced Infocomm Technology
  • Year:
  • 2008

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Abstract

This paper presents a novel methodology with which the linear chirped fiber Bragg grating (CFBG) can be effectively optimized in both reflection bandwidth and group delay ripples (GDR). The parameters of specified apodization functions is designed combining with transferring matrix method (TMM) and genetic algorithm (GA) in this scheme. The simulation shows that after 200 generations, chirped fiber Bragg grating can reveal its better performance of no more than 44.13ps GDR in 40Gbps working bandwidth used for chromatic dispersion compensation. Moreover, experimental results of 500km 40Gbps optical transmission verify that this kind of fabricated CFBG is qualified for high speed dense wavelength division multiplexing (DWDM) system.