RZ-OOK to NRZ-OOK format conversion based on a single fiber Bragg grating

• 作 者: 曹辉 舒学文 Javid Atai 董骞 左军 陈国杰 余宇
• 机 构: School of Electronics and Information Engineering, Foshan University,Wuhan National Laboratory for O
• 出 处: Chinese Optics Letters
• 发表日期: 2014年09期
• 关键词: format grating Bragg custom return interferometer cascaded replace converted key

We propose a return-to-zero on-off keying(RZ-OOK) to non-return-to-zero(NRZ) OOK conversion scheme based on a single custom-designed fiber Bragg grating(FBG). The custom-made FBG is designed and synthesized using discrete layer-peeling algorithm. It is shown that such a FBG can replace the combination of interferometer and the cascaded filter that are invariably employed together in the reported schemes for RZ-OOK to NRZ-OOK format conversion. Simulation results show that the input 20-Gb/s RZ-OOK signals with different duty cycles can be converted into NRZ-OOK signals with high Q-factor.

We propose a return-to-zero on-off keying (RZ-OOK) to non-return-to-zero (NRZ) OOK conversion scheme based on a single custom- designed fiber Bragg grating (FBG) is designed and synthesized using discrete layer-peeling algorithm. It shows such a FBG can replace the combination of interferometer and the cascaded filter that are invariably employed together in the reported schemes for RZ-OOK to NRZ-OOK format conversion. show that the input 20-Gb / s RZ-OOK signals with different duty cycles can be converted into NRZ-OOK signals with high Q-factor.