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基于半导体放大器实现多功能超宽带调制的研究 被引量：4

Research of multi-functional ultra-wideband modulation based on semiconductor optical amplifier
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摘要 基于半导体放大器(SOA)的增益饱和效应,提出了一种简单的实现多功能超宽带(UWB)调制的方案。方案采用一个光源和单个SOA,可以实现脉冲波形调制(PSM)、脉冲幅度调制(PAM)和脉冲极性调制(BPM),因此实现容易、结构简单和成本低。利用OptiSystem软件对方案进行了仿真研究,分析了各参数对调制信号的影响以及信号的传输特性。结果表明,本方案对光源的波长和光源的光功率的变化不敏感,仿真输出的调制信号在单模光纤(SMF)中可传输35km。 We propose a simple scheme for realizing multi-functional ultra-wideband （UWB） pulse modu- lation based on the gain saturation in a semiconductor optical amplifier （SOA）. In the scheme, adopting only one SOA and optical source can achieve pulse shape modulation （PSM）, pulse amplitude modulation （PAM） and bi-phase modulation （BPM）,which is with easy implementation, simple structure and low cost. By using the software of OptiSystem, the impacts of parameters and transmission characteristics of signal are numerically simulated and studied. The results show that this scheme is insensitive to the wavelength and source power change. In addition,the modulation signal can be transmitted for 35 km in the single mode optical fiber.
作者 赵猛 李培丽 郑加金 沈丹鸿 马蔷 周雯 赵赞善
机构地区 南京邮电大学光电工程学院 中国移动集团海南有限公司
出处 《光电子．激光》 EI CAS CSCD 北大核心 2013年第7期1328-1337,共10页 Journal of Optoelectronics·Laser
基金 国家自然科学基金(61275067) 江苏省自然科学基金(BK2012830)资助项目
关键词 脉冲波形调制(PSM) 脉冲幅度调制(PAM) 脉冲极性调制(BPM) 半导体放大器 (SOA) 增益饱和效应 pulse shape modulation （PSM） pulse amplitude modulation （PAM） bi-phase modulation（BPM） ~ semiconductor optical amplifier （SOA） gain saturation
分类号 TN911.74 [电子电信—通信与信息系统]
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参考文献13

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二级参考文献34

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共引文献11

同被引文献42

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引证文献4

二级引证文献2

光电子．激光
2013年 第7期

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