NRZ to Manchester code conversion based on nonlinear optical fiber loop mirror |
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| Authors: | Tianye Huang Junqiang Sun |
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| Affiliation: | 1. Wuhan National Laboratory for optoelectronics, School of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;2. Department of Electrical and Computer Engineering, McGill University, Montreal, QC, Canada H3A 2A7;1. Orange Labs, 2 Avenue Pierre Marzin, 22300 Lannion, France;2. Huawei Technologies Co., Ltd., Bantian, Longgang District, Shenzhen 518129, PR China;1. State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu Province, 210093, PR China;2. College of Sciences, Nanjing University of Technology, Nanjing, Jiangsu Province, 210009, PR China;1. Department of Physics, University of Pune, Pune 07, India;2. National Chemical Laboratory, Pune, India;1. Iqra University, Islamabad, Pakistan;2. University of Engineering and Technology, Lahore, Pakistan |
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| Abstract: | An approach to convert NRZ signal to Manchester code at 20 Gbit/s based on nonlinear optical fiber loop mirror (NOLM) is demonstrated. Using 20 Gbit/s NRZ data and optical clock as external pumps of the NOLM, the conversion of NRZ to Manchester code is successfully realized. The eye diagrams, waveforms and optical spectra are presented. We investigated the extinction ratio (ER) penalty (5 dB) to evaluate the system performance and analyzed the method to improve it. The proposed scheme is potential for applications in future networks. |
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