Chinese Optics Letters, 2014, 12 (9): 090603, Published Online: Aug. 21, 2014
RZ-OOK to NRZ-OOK format conversion based on a single fiber Bragg grating Download: 753次
Abstract
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 syn-thesized 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.
Hui Cao, Xuewen Shu, Javid Atai, Qian Dong, Jun Zuo, GuoJie Chen, Yu Yu. RZ-OOK to NRZ-OOK format conversion based on a single fiber Bragg grating[J]. Chinese Optics Letters, 2014, 12(9): 090603.