基于光移相器的全光正交频分复用技术研究OACSTPCD
Research on all optical OFDM based on optical phase shifter
为了克服光正交频分复用系统中傅里叶变换和数模转换实现的“电子瓶颈”,达到提高系统传输速率的目的,采用光延迟器和光移相器构建全光离散傅里叶逆变换(IDFT)和离散傅里叶变换(DFT)的方法,设计一个3路全光IDFT/DFT模块,利用Optisystem软件平台仿真实现一个3×40 Gb/s的全光正交频分复用实验系统,并分析系统性能,获得发射光脉冲宽度与系统传输误码率的关系,得到了光脉宽越大误码率越大的结论.
To overcome electronic bottleneck of Fourier transformer and D/A in optical OFDM system and improve system capacity, an all optical inverse discrete Fourier transformer/discrete Fourier transformer (IDFT/DFT) based on optical delay and phase shifter is proposed. Then a 3X40 Gb/s all optical frequency division multiplex system is designed and investigated using Optisystem software. It is found that the bit error ratio is increased with the optical pulse width.
梁猛;陆蓉
西安邮电学院,陕西西安710121西安邮电学院,陕西西安710121
信息技术与安全科学
正交频分复用离散傅里叶变换光移相器光延迟器
OFDMDFToptical phase shifteroptical delay
《现代电子技术》 2012 (7)
34-36,3
陕西省教育厅科学研究计划项目(11JK1020)
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