ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Six-bit all-optical quantization using photonic crystal fiber with soliton self-frequency shift and pre-chirp spectral compression techniques |
Kang Zhe (康哲), Yuan Jin-Hui (苑金辉), Li Sha (李莎), Xie Song-Lin (解松霖), Yan Bin-Bin (颜玢玢), Sang Xin-Zhu (桑新柱), Yu Chong-Xiu (余重秀) |
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China |
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Abstract In this paper, we propose an optical quantization scheme for all-optical analog-to-digital conversion that facilitates photonics integration. A segment of 10-m photonic crystal fiber with a high nonlinear coefficient of 62.8 W-1/km is utilized to realize large scale soliton self-frequency shift relevant to the power of the sampled optical signal. Furthermore, a 100-m dispersion-increasing fiber is used as the spectral compression module for further resolution enhancement. Simulation results show that 317-nm maximum wavelength shift is realized with 1550-nm initial wavelength and 6-bit quantization resolution is obtained with a subsequent spectral compression process.
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Received: 28 January 2013
Revised: 26 April 2013
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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42.70.Mp
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(Nonlinear optical crystals)
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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 of China (Grant Nos. 2010CB327605 and 2010CB328304), the National High-Technology Research and Development Program of China (Grant No. 2013AA031501), the National Natural Science Foundation of China (Grant No. 61307109), the Research Foundation from Ministry of Education of China (Grant No. 109015), the Program for New Century Excellent Talents in University of Ministry of Education of China (Grant No. NECT-11-0596), the Beijing Nova Program, China (Grant No. 2011066), the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20120005120021), the Fundamental Research Funds for the Central Universities of Ministry of Education of China (Grant No. 2013RC1202), the China Postdoctoral Science Foundation (Grant No. 2012M511826), and the Postdoctoral Science Foundation of Guangdong Province, China (Grant No. 244331). |
Corresponding Authors:
Yuan Jin-Hui
E-mail: yuanjinhui81@163.com
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Cite this article:
Kang Zhe (康哲), Yuan Jin-Hui (苑金辉), Li Sha (李莎), Xie Song-Lin (解松霖), Yan Bin-Bin (颜玢玢), Sang Xin-Zhu (桑新柱), Yu Chong-Xiu (余重秀) Six-bit all-optical quantization using photonic crystal fiber with soliton self-frequency shift and pre-chirp spectral compression techniques 2013 Chin. Phys. B 22 114211
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