| 差分相移键控的非归零到归零格式转换研究 |
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| 引用本文： | 余文科,娄采云,邢燕飞,赵晓凡,陆丹,霍力.差分相移键控的非归零到归零格式转换研究[J].中国激光,2011(2). |
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| 作者姓名： | 余文科 娄采云 邢燕飞 赵晓凡 陆丹 霍力 |
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| 作者单位： | 清华信息科学与技术国家实验室(筹);集成光电子国家重点实验室;清华大学电子工程系; |
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| 基金项目： | 国家自然科学基金(60736036,61077055); 国家863计划(2009AA01Z256); 国家973计划(2011CB301700); 北京市优秀博士论文(YB20091000301)资助课题 |
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| 摘 要： | 提出了一种全新的基于相位-强度混合调制和色散补偿的光差分相移键控(DPSK)信号的非归零(NRZ)到归零(RZ)格式转换器,理论分析了转换器参数对转换的影响,数值研究了恶化条件下的10 Gb/s的NRZ-DPSK到RZ-DPSK的格式转换。实验展示了10 Gb/s的DPSK信号格式转换及解调后的误码性能。计算结果表明,通过设计转换器参数可获得低占空比RZ-DPSK信号,且转换后信号质量较高。实验结果表明格式转换功率代价较低,转换后RZ-DPSK信号时间抖动较原NRZ-DPSK信号减小。该格式转换器还适合光四相差分相移键控(DQPSK)的非归零到归零格式转换及多波长操作。
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| 关 键 词： | 光通信 格式转换器 相位-强度混合调制 差分相移键控 |
Non-Return-to-Zero to Return-to-Zero Format Conversion for Differential Phase Shift Keying |
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| Yu Wenke, Lou Caiyun, Xing Yanfei, Zhao Xiaofan, Lu Dan, Huo Li, Tsinghua National Laboratory for Information Science , Technology,Beijing ,China State Key Laboratory on Integrated Optoelectronics,China.Non-Return-to-Zero to Return-to-Zero Format Conversion for Differential Phase Shift Keying[J].Chinese Journal of Lasers,2011(2). |
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| Authors: | Yu Wenke Lou Caiyun Xing Yanfei Zhao Xiaofan Lu Dan Huo Li Tsinghua National Laboratory for Information Science Technology Beijing China State Key Laboratory on Integrated Optoelectronics China |
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| Affiliation: | Yu Wenke1,2,3 Lou Caiyun1,3 Xing Yanfei1,3 Zhao Xiaofan1,3 Lu Dan1,3 Huo Li1,3 1Tsinghua National Laboratory for Information Science and Technology(TNLIST),Beijing 100084,China 2State Key Laboratory on Integrated Optoelectronics,China 3Department of Electronic Engineering,Tsinghua University,China |
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| Abstract: | A novel non-return-to-zero(NRZ) to return-to-zero(RZ) format converter for differential phase shift keying(DPSK) signal is proposed based on phase-intensity hybrid modulation and dispersion compensation.Influence on the format conversion of the converter parameters is theoretically analyzed and format conversion of 10-Gb/s degraded DPSK signal is investigated through numerical simulation.Experimental 10-Gb/s NRZ-DPSK signal to RZ-DPSK signal conversion and the bit error rate(BER) performance of the demodula... |
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| Keywords: | optical communications format converter phase-intensity hybrid modulation differential phase shift keying |
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