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双用户2.5 Gb/s 100 km光码分多址传输实验 被引量：1

Two-User 2.5 Gb/s 100 km Optical Code Division Multiple Access Transmission Experiment
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摘要 稳定性高、低成本的窄脉冲光源、高性能编解码器和具有旁瓣/噪声抑制功能的接收机是光码分多址系统实用化的3个关键模块。实验中利用增益开关脉冲光源和63 chip等效相移超结构布拉格光纤光栅相位编解码器的半边带应用,判决门限调整与宽带判决相结合的接收机实现了双用户、2.5Gb/s 100 km传输。实验中测量了误码率与判决时刻和判决门限的关系曲线,系统在10 ps的判决时刻容限内和17%的幅度判决容限内实现了无误码传输。 There are three key modules in coherent optical code division multiple access （OCDMA） system： source of ultra-short optical pulse, en/decoder and receiver. Two-user 2.5 Gb/s OCDMA experiment is shown to achieve 100 km transmission using single-band application between gain switch laser diode and 63-chip equivalent phase shift superstructured fiber Bragg grating （EPS-SSFBG） phase en/decoder, and threshold adjustable receiver with broadband decision. Relations between bit error rate （BER） and decision level and time are observed in the experiment, error-free transmission is achieved in the range of 10 ps decision time and 17 % decision level.
作者 卢麟 蒲涛 余罗陈 郑吉林 方涛 李玉权
机构地区 解放军理工大学通信工程学院
出处 《光学学报》 EI CAS CSCD 北大核心 2009年第8期2087-2092,共6页 Acta Optica Sinica
基金 国家863计划(2007AA01Z274) 国家自然科学基金(60472007)资助课题
关键词 光通信 光码分多址 超结构光纤布拉格光栅 等效相移 optical communication optical code division multiple access （OCDMA） superstructured fiber Bragg grating equivalent phase shift
分类号 TN929.1 [电子电信—通信与信息系统]
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参考文献15

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二级参考文献36

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共引文献27

同被引文献20

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  • 3TEH P C. A 4-channel WDM/OCDMAsystem incorporating 255-chip,320Gchip/squaternary phase coding and decodinggratings [C]//Proceedings of the Optical FiberCommunication Conference and Exhibit, 17-22 March 2001, Anaheim, CA, USA,OFC2001: PD37-1.
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引证文献1

光学学报
2009年 第8期

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