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Code synchronization based on lumped time-delay compensation scheme with a linearly chirped fiber Bragg grating in all-optical analog-to-digital conversion |
| Wang Tao (王涛)a, Kang Zhe (康哲)a, Yuan Jin-Hui (苑金辉)a b, Tian Ye (田野)a, Yan Bin-Bin (颜玢玢)a, Sang Xin-Zhu (桑新柱)a, Yu Chong-Xiu (余重秀)a |
a State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications), Beijing 100876 China;
b Laboratory of Nanophotonic Functional Materials and Devices, South China Normal University, Guangzhou 510006, China |
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Abstract We propose a novel lumped time-delay compensation scheme for all-optical analog-to-digital conversion based on soliton self-frequency shift and optical interconnection techniques. A linearly chirped fiber Bragg grating is optimally designed and used to compensate for the entire time-delays of the quantized pulses precisely. Simulation results show that the compensated coding pulses are well synchronized with a time difference less than 3.3 ps, which can support a maximum sampling rate of 151.52 GSa/s. The proposed scheme can efficiently reduce the structure complexity and cost of all-optical analog-to-digital conversion compared to the previous schemes with multiple optical time-delay lines.
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Received: 18 December 2013
Revised: 21 March 2014
Accepted manuscript online:
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PACS:
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42.65.Re
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(Ultrafast processes; optical pulse generation and pulse compression)
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42.65.Tg
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(Optical solitons; nonlinear guided waves)
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42.79.Dj
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(Gratings)
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42.81.Dp
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(Propagation, scattering, and losses; solitons)
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| Fund: Project supported by the National Basic Research Program, China (Grant Nos. 2010CB327605 and 2010CB328300), the National High-Technology Research and Development Program of China (Grant No. 2013AA031501), the National Natural Science Foundation of China (Grant No. 61307109), the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20120005120021), the Fundamental Research Funds for the Central Universities, China (Grant No. 2013RC1202), the Program for New Century Excellent Talents in University, China (Grant No. NECT-11-0596), the Beijing Nova Program, China (Grant No. 2011066), the Fund of State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications), China, the China Postdoctoral Science Foundation (Grant No. 2012M511826), and the Postdoctoral Science Foundation of Guangdong Province, China (Grant No. 244331). |
Corresponding Authors:
Wang Tao
E-mail: wangtaoseasky@163.com
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| About author: 42.65.Re; 42.65.Tg; 42.79.Dj; 42.81.Dp |
Cite this article:
Wang Tao (王涛), Kang Zhe (康哲), Yuan Jin-Hui (苑金辉), Tian Ye (田野), Yan Bin-Bin (颜玢玢), Sang Xin-Zhu (桑新柱), Yu Chong-Xiu (余重秀) Code synchronization based on lumped time-delay compensation scheme with a linearly chirped fiber Bragg grating in all-optical analog-to-digital conversion 2014 Chin. Phys. B 23 104212
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| | [24] | Kang Z, Yuan J H, Wu Q, Wang T, Li S, Sang X Z, Yu C X and Farrell G 2013 IEEE Photon. J. 57 201109
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