| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Multi-Channel NRZ/RZ-DPSK to CSRZ-DPSK Format Conversion Based on Nonlinear Polarization Rotation of SOA |
| Ya-Ya Mao1**, Chong-Qing Wu2, Xin-Zhi Sheng2, Bo Liu1, Rahat Ullah1, Feng Tian1 |
1Institute of Optoelectronics, Nanjing University of Information Science & Technology, Nanjing 210044
2Key Lab of Luminescence and Optical Information Technology (Ministry of Education), School of Science, Beijing Jiaotong University, Beijing 100044
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| Cite this article: |
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Ya-Ya Mao, Chong-Qing Wu, Xin-Zhi Sheng et al 2017 Chin. Phys. Lett. 34 104201 |
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Abstract We present an all-optical nonreturn-to-zero/return-to-zero (NRZ/RZ) to carrier-suppressed return-to-zero (CSRZ) format conversion scheme for differential phase-shift keying (DPSK) signals. The conversion is based on nonlinear polarization rotation of a semiconductor optical amplifier (SOA). The 4-channel NRZ-DPSK or RZ-DPSK signals at 10 Gb/s are simultaneously converted to the corresponding CSRZ-DPSK signals, with $-$0.8 and 1.4 dB average power penalties, respectively. Additionally, high quality format conversion performances are shown with the optical spectra and eye diagrams.
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Received: 22 May 2017
Published: 27 September 2017
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| PACS: |
42.79.Sz
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(Optical communication systems, multiplexers, and demultiplexers?)
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42.25.Kb
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(Coherence)
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42.65.Yj
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(Optical parametric oscillators and amplifiers)
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42.65.Re
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(Ultrafast processes; optical pulse generation and pulse compression)
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| Fund: Supported by the National Natural Science Foundation of China under Grant Nos 61425022, 61522501, 61675004, 61307086, 61475024, 61672290, 61475094 and 61605013, the National Basic Research Program of China under Grant Nos 2015AA015501, 2015AA015502, 2015AA015504, 2015AA016904 and 2015AA016901, and the Beijing Nova Program under Grant No Z141101001814048. |
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