| Theoretical analysis and experimental verification of a cost-effective chromatic dispersion monitoring method in a 40-Gb/s optical fiber communication system |
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| 作者姓名： | 李岩 章锦 于晋龙 井文才 张以谟 周革 |
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| 作者单位： | College of Precision Instrument & Opto-Electronics Engineering，Key Laboratory of Opto-Electronics Information and Technical Science，Ministry of Education，Laboratory of Optical Fiber Communication，Tianjin University，Tianjin 300072，College of Precision Instrument & Opto-Electronics Engineering，Key Laboratory of Opto-Electronics Information and Technical Science，Ministry of Education，Laboratory of Optical Fiber Communication，Tianjin University，Tianjin 300072，College of Precision Instrument & Opto-Electronics Engineering，Key Laboratory of Opto-Electronics Information and Technical Science，Ministry of Education，Laboratory of Optical Fiber Communication，Tianjin University，Tianjin 300072，College of Precision Instrument & Opto-Electronics Engineering，Key Laboratory of Opto-Electronics Information and Technical Science，Ministry of Education，Laboratory of Optical Fiber Communication，Tianjin University，Tianjin 300072，College of Precision Instrument & Opto-Electronics Engineering，Key Laboratory of Opto-Electronics Information and Technical Science，Ministry of Education，Laboratory of Optical Fiber Communication，Tianjin University，Tianjin 300072，College of Precision Instrument & Opto-Electronics Engineering，Key Laboratory of Opto-Electronics Information and Technical Science，Ministry of Education，Laboratory of Optical Fiber Communication，Tianjin University，Tianjin 300072 |
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| 基金项目： | This work was supported by the National Natural Sci-ence Fund of China (No. 60377031), and the NationalBasic Research Program of China (No. 2003CB314907). |
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| 摘 要： | Dynamic and tunable chromatic dispersion compensationtechnique is one of the essential features of 40-Gb/s op-tical fiber transmission systems. The tolerable residualchromatic dispersion for 40-Gb/s transmission system isonly 60 ps/nm or even less[1]. At the same time, chro-matic dispersion varies due to network reconfigurations,temperature fluctuation, and laser's wavelength drift,etc[2]. Therefore, it is necessary to apply a simple andeffective method for monitoring the residual chromaticdi…
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