色散值

特别是LP02模具有良好的负色散值和能量分布，所以选用了LP02模作为高阶模补偿的模式。

Especially LP02 mode has huge dispersion and good energy distributing , so we choice LP02 mode as dispersion compensate .

哨声群时延和色散值主要决定于电离密度；

The group delay and dispersion of whistler wave are mainly dependent on ionization density .

通过数值迭代的方法计算了一定条件下各种模型的大气折射和大气色散值。

The atmospheric refraction and atmospheric dispersion values for various models under the certain conditions are calculated through numerical iteration .

模拟了偏振模色散值为25ps时二阶偏振模色散的几率分布，所得结果与理论结果能够很好地吻合；

Using this corrected model , the frequency correlation function of PMD vector and the probability distribution of 2 nd PMD are obtained when the value of PMD is 25 ps ; the results show good agreements with the theoretical prediction .

结果表明，当光纤的色散值关于中心波长对称、且随着传输距离增加，经由反常色散区过渡到正常色散区的、凹形色散分布的色散渐减光纤更有利于产生平坦、带宽的超连续谱。

Results show that DDF with concave dispersion profile is more beneficial to generate flat and broad SC spectra , when the dispersion profile of the fiber is symmetrical to central wavelength and decreases from anomalous dispersion region to normal with propagation distance .

采用15m长的多孔光纤可以获得约10nm的3dB调谐带宽，最大转换效率约为-16dB，并且采用较低色散斜率值的多孔光纤可以进一步增大调谐范围。

A maximum conversion efficiency of about - 16 dB and a 3-dB tuning bandwidth of ~ 10 nm are achieved for a 15 m holey fiber , and the tuning range can be improved with lower dispersion slope .

10Gb/s的传输结果表明，链路色散绝对值小于1000ps/nm时，施加相位预调制的非归零信号功率代价小于1dB，比普通非归零信号具有更高的接收灵敏度和更低的色散功率代价。

Results of 10 Gb / s transmission show that the phase-pre-modulated NRZ signals have a power penalty lower than 1 dB with the absolute value of link dispersion less than 1000 ps / nm , exhibiting higher sensitivity and lower dispersion-induced penalty than conventional NRZ signals .

在光缆割接中如何调整高速环网的色散补偿值

Methods for High Speed Network Dispersion Compensation Adjustment in Optical Line Cutting

色散补偿值对高速长距离传输系统的影响

The Effects of Different Dispersion Compensation Value on High Speed Transmission System With Long Distance

结果表明，偏振相关损耗的增加单向改变偏振模色散的值，可能增大也可能减少。

Results show that increase of PDL can change the value of PMD in single direction . The value of PMD may increase or decrease .

计算结果表明，随着群时延色散绝对值的降低，输出脉宽近线性减小，此数值结论与已有实验结果定性一致。

The conclusion shows that the pulse width decreases nearly linearly while the absolute value of group delay dispersion decreases , and it is consistent with the result of experiments qualitatively .

该光纤具有平坦的色散特性，同时色散值沿光纤长度方向逐渐减小，由正值减小到负值。

The fiber is characterized by flattened chromatic dispersion which also decreases from a positive value to a negative one with fiber length .

然而传统的色散补偿器只能补偿各信道色散值相同的情况。

However traditional dispersion compensator only can compensate the channels which have same dispersion .

并且针对常规单模光纤色散特性，设计出合适κ值的色散补偿光子晶体光纤，色散值为-519.3ps/km/nm，补偿能力远大于常规色散补偿光纤。

Furthermore , according to the dispersion property of the conventional fiber , a κ matched dispersion compensation PCF is designed with a dispersion of-519.3ps/km/nm .

2.5Gb/s偏振模色散自动补偿对偏振模色散容限值的影响

Effect of Automatic Polarization Mode Dispersion Compensation on Bit-Error-Rate in 2.5Gb/s Transmission System

通过理论分析得出高阶模用于色散补偿时，它具有很大的负色散值；

By theory analysis , the high-order mode has huge negative dispersion ;

利用时域有限差分法（FDTD）来分析光波在PCF中传输的色散特性，结果表明，PBG光子晶体光纤的色散值和色散斜率比常规的通信光纤要小。

The dispersion properties of optical wave in PCF were analyzed by the finite differential time domain ( FDTD ) method . The result demonstrates that the value and the slope of the dispersion of optical wave in PCF are smaller than those in the normal optical fiber .

提出了一种用于40Gbit/s单信道光纤通信系统的动态色度色散补偿方法，该方法通过检测线路中的色散值，以此作为反馈信号控制动态色散补偿器件实现系统的动态色散补偿。

A method for dynamic chromatic dispersion ( CD ) compensation in a 40Gbit / s single-channeled optical fiber communication system is demonstrated in this paper .

色散管理孤子光波系统的色散图周期由具有正负色散值的两段光纤组成，并且在系统中周期性放置集中放大器及滤波器装置。

The lumped amplifiers and filters are placed on the dispersion-managed soliton system with two-step periodic dispersion map .

通过数值模拟，研究了新型光子晶体光纤包层结构参量与其色散之间的关系，并且通过优化得出低至-924.6ps/nm/km的色散值，这在常规色散补偿光纤（DCF）中是不可能实现的。

Through numerical simulating , the relations between dispersion and structural parameters are studied . The PCF achieves a negative dispersion of-924.6ps/nm/km . It is difficult to realize in conventional dispersion compensation fiber ( DCF ) .

该方法利用同一微波信号同时调制两路不同波长的光载波在待测色散介质中传输，通过监测光探测器输出干涉微波功率的变化可以计算得到待测介质在不同波长处的色散值。

In this method light with different wavelengths are simultaneously modulated by the same microwave signal and then transmit through the dispersive medium under test , the dispersion value of the test media at different wavelengths can be obtained by monitoring the changing interference microwave power after photodetector .