We propose a novel configuration for clock extraction by converting the NRZ data into the PRZ data and by employing a polarization-maintaining fibre loop mirror （PMFLM） which is usually used as an optical comb filte...We propose a novel configuration for clock extraction by converting the NRZ data into the PRZ data and by employing a polarization-maintaining fibre loop mirror （PMFLM） which is usually used as an optical comb filter. It is found that the PMFLM can simply be constructed by a polarization controller and polarization-maintaining fibre （PMF）. We theoretically analyse the principle of PMFLM for the NRZ-to-PRZ conversion. Experimentally we demonstrate 10 Gbit/s all-optical clock recovery through our proposed setup, It is shown that recovered clock signal with an extinction ratio above 10 dB can be achieved.展开更多
文摘We propose a novel configuration for clock extraction by converting the NRZ data into the PRZ data and by employing a polarization-maintaining fibre loop mirror （PMFLM） which is usually used as an optical comb filter. It is found that the PMFLM can simply be constructed by a polarization controller and polarization-maintaining fibre （PMF）. We theoretically analyse the principle of PMFLM for the NRZ-to-PRZ conversion. Experimentally we demonstrate 10 Gbit/s all-optical clock recovery through our proposed setup, It is shown that recovered clock signal with an extinction ratio above 10 dB can be achieved.
基金the National Natural Science Foundation of China (Grant Nos.21474035and 51773072)the Recruitment Program of Global Youth Experts,the Huazhong University of Science and Technology (HUST)Innovation Research Fund (Nos. 2016JCTD 111and 2017KFKJXX012)+1 种基金the Science and Technology Program of Hubei Province (No.2017AHB040) China Postdoctoral Science Foundation funded project (No.2016M602289).
