基于QDSOA-TOAD结构的NRZ-RZ格式转换器被引量：1

Data format conversion from NRZ to RZ using QDSOA-TOAD

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摘要针对光网络中非归零(NRZ)与归零(RZ)格式转换的问题,利用量子点半导体光放大器(QD-SOA)的快速非线性效应和全光非对称解复用器(TOAD)干涉结构,提出了一种基于QDSOA-TOAD结构的光数据格式转换器,可以实现高速格式转换,且在很大程度上减少了频率啁啾对转换信号的影响。通过系统建模,验证了160Gbit/s NRZ-RZ光信号格式转换的可行性和有效性;并给出了关键参数的选择范围。通过合理设置系统参数,可以获得较高的输出品质因子Q。 In this paper,an all-optical data format converter using quantum-dot semiconductor optical amplifier（QD-SOA） assisted Terahertz optical asymmetric demultiplexer（TOAD） is proposed for format conversion from non-return-to-zero to return-to-zero.Due to the potential of QD-SOA in high-speed optical signal processing,this scheme can operate at much larger bit rate of 160Gbit/s,and the converted signal has a lower frequency chirp.With properly selected parameters,the converted signal with a Q-factor over 8 can be achieved.

作者杨玮张民叶培大

机构地区北京信息科技大学光电信息与通信工程学院

出处《北京信息科技大学学报（自然科学版）》 2011年第6期30-34,38,共6页 Journal of Beijing Information Science and Technology University

基金国家自然科学基金资助项目(61171039) 北京信息科技大学校科研基金(5026010915)

关键词非归零格式归零格式格式转换量子点半导体光放大器 THz全光非对称解复用器(TOAD) non-return-to-zero return-to-zero format conversion quantum-dot semiconductor optical amplifiers terahertz optical asymmetric demultiplexer（TOAD）

分类号 TN929.1 [电子电信—通信与信息系统]

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