Influence of Chromatic Dispersion and Polarization Mode Dispersion in Microwave Photonic Link colour intense dispersion 色度色散与偏振模色散对微波光子链路的影响染透分散作用,着色分散作用
For present and future high capacity optical communication systems, chromatic dispersion compensation and polarization mode dispersion compensation are the necessary means of improving system performance. 高速光纤通信系统中,色散补偿和极化模色散补偿是提高信噪比、改善系统性能的必要手段。
Theory and applications of chromatic polarization 色偏振的理论及应用
In optical measurement, we could calibrate precision instrument and increase the measuring precision by using the laser interference ( diffraction) fringe orders; the fringe orders could be automatically determined by the zero order fringes 'minimum chromatic polarization; 光测量主要通过激光发生干涉(衍射),利用干涉(衍射)条纹的级次进行定标、精确测量,利用零级条纹色偏最小原理,对条纹级次进行自动判断;
Brocade Color Apply the theory of chromatic polarization to change hues and saturation of transmissive light 应用色偏振理论改变透射光的色调和饱和度
Transmission impairments originate from chromatic dispersion in fibers, nonlinear effects, polarization mode dispersion, node crosstalk, noise introduced by optical amplifiers, etc. The evaluation of transmission impairments requires modeling of every network component. 光信号的传输损伤来源于光纤色散、非线性效应、偏振模色散、节点串扰、放大器噪声等,对传输损伤的评估需要建立光信号与各个网络器件的模型。
This article analyses the spectrum of chromatic polarization with relative curve of d ( n o-n e), obtains some laws and applications in phenomenon of chromatic polarization. 分析了色偏振的光谱与d(no-ne)的关系曲线,得出了色偏振现象的一些规律和应用。
When bit-rate of optical fiber communication system comes to 40Gbit/ s or beyond, dispersion which represents chromatic dispersion ( CD) and polarization mode dispersion ( PMD), will become a big problem and be dominating factor of impairing system performance. 当光纤通信系统单信道速率升级到40Gbit/s及以上时,色度色散(CD)和偏振模色散(PMD)已经成为严重影响系统性能的主要因素。
After coherent detection, DSP algorithm can compensate linear effects of fiber lossless, such as chromatic dispersion and polarization mode dispersion. 对于相干检测后的信号,DSP算法可以对光纤信道的线性效应做到无损补偿,例如色散效应和偏振模色散效应。
With the enhancement of optical fiber transmission systems capacity, performance improvement in nonlinear effect, chromatic dispersion tolerance and polarization mode dispersion ( PMD) tolerance has drawn researchers 'attention of new modulation formats. 随着光纤通信系统传输容量的提升,新型调制格式在非线性效应、色度色散容限和偏振模色散(PMD)容限等方面的传输性能的改善,吸引了越来越多的关注。
Secondly, there is an introduction about optical fiber characteristics which influence the performance of high-speed optical com-munication systems, such as attenuation, chromatic dispersion, polarization mode dispersion and nonlinear effects. 接着详细介绍了影响高速光通信系统性能的光纤特性:损耗、色度色散、偏振模色散和非线性效应及各自相应的克服措施。
Performance of simulated transmission link is discussed on base of chromatic dispersion ( CD), polarization mode dispersion ( PMD) and polarization dependent loss ( PDL) in polarization division multiplex transmission link. 在对链路性能进行仿真时,讨论了在偏振复用传输链路上色度色散、偏振模色散和偏振相关损耗对系统传输性能的影响。
Aided by electronic fast Fourier transform circuit and sophisticated digital signal processing technologies, optical OFDM exhibits advanced tolerances both of chromatic dispersion and polarization mode dispersion ( PMD). 借助于快速傅立叶变换电子芯片和成熟的数字信号处理技术,光OFDM系统显示出强大的色度色散容限和偏振模色散容限。
Coherent optical orthogonal frequency division multiplexing ( CO-OFDM) systems have the advantages of high spectrum efficiency, high communication capacity, strong resistance to chromatic dispersion and polarization mode dispersion, and high receiving sensitivity. 相干光正交频分复用(CO-OFDM)系统具有频谱利用率高、传输容量大、抗光纤色散和偏振模色散、接收灵敏度强等特点。
Based on this theory modal, a new spectral-domain intermodal chromatic dispersion difference measurement method have been proposed. The results obtained by this method can provide usefull data for numerical dispersion compensation in polarization mode coupling measurement and polarization-maintaining fibers sensors based on intermodal interference. 提出了一种白光频域干涉保偏光纤模间色度色散差的测量方法,能为保偏光纤偏振耦合测量和基于保偏光纤模间干涉原理的光纤传感器提供数值色散补偿的准确数据。