| 基于相干光OFDM的WDM系统传输性能分析 |
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| 引用本文： | 张帅,白成林,罗清龙. 基于相干光OFDM的WDM系统传输性能分析[J]. 光通信技术, 2012, 36(7): 54-56. DOI: 10.3969/j.issn.1002-5561.2012.07.016 |
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| 作者姓名： | 张帅 白成林 罗清龙 |
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| 作者单位： | 1.聊城大学物理科学与信息工程学院,山东聊城252059;山东省光通信科学与技术重点实验室,山东聊城252059;2.聊城大学物理科学与信息工程学院,山东聊城252059;山东省光通信科学与技术重点实验室,山东聊城252059;3.聊城大学物理科学与信息工程学院,山东聊城252059;山东省光通信科学与技术重点实验室,山东聊城252059 |
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| 基金项目： | 区域光纤通信网与新型光通信系统国家重点实验室开放课题(2011GZKF031109)资助 |
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| 摘 要： | 首先对相干光OFDM WDM系统理论模型和基本原理进行了研究,然后基于Optisystem仿真软件,对相干光OFDM WDM传输系统进行了仿真分析,并研究了该系统的传输性能,发现基于相干检测的光OFDM技术和WDM技术结合,可以有效抑制光纤色散和非线性影响,提高系统的性能.将此系统与传统的NRZ WDM光传输系统进行比较,发现系统性能较NRZ系统有很大的提高.
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| 关 键 词： | 相干光OFDM WDM 单模光纤 色散效应 非线性效应 |
Transmission performance of WDM system based on coherent optical OFDM |
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| ZHANG Shuai,BAI Cheng-lin,LUO Qing-long. Transmission performance of WDM system based on coherent optical OFDM[J]. Optical Communication Technology, 2012, 36(7): 54-56. DOI: 10.3969/j.issn.1002-5561.2012.07.016 |
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| Authors: | ZHANG Shuai BAI Cheng-lin LUO Qing-long |
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| Affiliation: | 1,2(1.School of Physics Science and Information Technology of Liaocheng University, Liaocheng Shandong252059,china;2.Shandong Key Laboratery of Modern Optical Communciation,Liaocheng Shandong 252059,china) |
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| Abstract: | Theoretical model and the basic principles of coherent optical OFDM WDM system have studied, simulated the coherent optical OFDM WDM transmission system based on Optisystem software,and analysised the transmission performance of the system,the results showed that the combination of coherent detection optical OFDM technology and WDM technology can effectively suppress the fiber dispersion and nonlinear effects, improve system performance.Compared with the conventional NRZ WDM optical transmission system, found that the performance of the system has greatly improved than NRZ system. |
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| Keywords: | coherent optical OFDM WDM single-mode fiber dispersion effect nonlinearity effect |
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