正常色散

用正常色散光纤进行增益开关DFB激光器光脉冲压缩

Compression of optical pulses from gain switched DFB laser diode through normal dispersion fiber

研究结果表明，具有正常色散的非线性PCF适合于全光2R再生。

The research results confirm the suitability of nonlinear PCF with normal dispersion for all-optical 2R regeneration . 8 .

本文还应用此方法，在理论上研究了通过三色场相位操纵电磁诱导透明，从而实现N型四能级原子系统的从正常色散到反常色散的双重转换行为。

Using the present numerical method , we also study theoretically the behalf of double switching from normal to anomalous dispersion of N-type four-level atomic system via trichromatic phase manipulation of electromagnetically induced transparency .

由于相位噪声涨落，利用分裂步长傅里叶变换法与MonteCarlo法，模拟了有源放大器链路中反常色散和正常色散情况下的调制不稳定性。

Secondly , making use of the split step Fourier transform and Monte-Carlo method , we simulated the cross-phase modulation instability in active normal and anomalous dispersion fibers with fluctuation of phase noise .

研究结果表明，XPM产生的MI不仅在光纤反常色散区可以产生，而且在正常色散区也可以产生；

The results show that the XPM induced MI not only in the anomalous dispersion regime but also in the normal dispersion regime ;

对线性啁啾光纤光栅消啁啾技术进行了理论和数值分析，给出光纤光栅设计中的一些重要参数，并与F-P光谱窗消啁啾法和正常色散光纤消啁啾法做了比较。

The use of a linearly chirped fiber grating for chirp elimination is numerically and theoretically discussed . Some important parameters are given for designing the optical fiber gratings .

提出了一种结合正常色散和反常色散效应来提高M-Z光纤干涉仪灵敏度的新方法，并在实验上验证了该方法的有效性。

In addition , we suggested a novel method to enhance the sensitivity of the M-Z interferometer by combining the anomalous dispersion and normal dispersion at the resonance region .

利用PCF中的高阶色散参量，分析了光纤中FWM的相位匹配条件，研究发现调制不稳定不仅产生于光纤的反常色散区，也可以产生于正常色散区。

Phase-matching condition of four-wave mixing is analyzed by use of higher-order dispersion in PCFs . It is found that MI occurs not only in the anomalous-dispersion regime but also in the normal-dispersion regime of a fiber .

运用行波法求解正常色散区含频率啁啾和介质非线性饱和效应的NLS方程，并由得到的孤子解讨论了啁啾和介质非线性饱和效应对暗孤子传输特性的影响。

The solution for NLS equation in normal dispersion has been gotten , including chirped and nonlinear saturation medium effect , the solution for the influence of dark soliton by chirped and nonlinear saturation medium effect is discussed in detail .

利用正常色散光纤消啁啾成功地进行了1Gbit／s，23km的光孤子传输，观察到了一阶和高阶孤子传输现象。

Gbit / s , 23 km optical soliton transmission was achieved using normal dispersion fiber elimination chirp . The fundamental and high order optical Soliton were observed .

圆偏光和线偏光在正常色散材料中脉冲自压缩的比较

Pulses self-compression in normally dispersive media : circular polarization versus linear polarization

用正常色散的双折射光纤所作的暗孤子开关的开关条件

Switching Condition for Dark Soliton Switching Made by Birefringent Fiber with Normal Dispersion

啁啾脉冲在正常色散光纤中频域特性实验研究

Experimental research on the spectral feature 0f chirp pulse in normal dispersion fiber

负啁啾高强度飞秒脉冲在正常色散材料中传输特性研究

Properties of the propagation of negatively chirped femtosecond pulses in normally dispersive media

单模光纤正常色散区零色散波长附近的啁啾演变特性

The evolution of chirp in normal-dispersion near the zero-dispersion wavelength in the single-mode fibers

色散阶变光纤正常色散区啁啾演变特性之讨论

Evolution of chirp in the normal dispersion region of stepwise decreasing dispersion profiled fiber

正常色散光纤消啁啾的孤子传输实验

Normal Dispersion Fiber Elimination Chirp to Transmit Soliton

正常色散区高阶群速度色散对啁啾演变的影响

Influence of the higher-order group-velocity dispersion on evolution of chirp in the normal-dispersion region

非克尔光纤正常色散区内啁啾特性研究

Studied on the property of chirp in the normal dispersion region of Non-Kerr-Like optical fibers

正常色散介质中双脉冲的传输问题及低频表面波的非线性声光效应

Study on the Two Pulses Propagating in Normal Dispersive Media and Nonlinear Acoustic-optical Effect at Low-frequency

同时，增益的大小和平坦性能也受到光纤色散特性的影响，从反常色散区到正常色散区，增益带宽逐渐变小，增益不平坦性有一定的改善；

From abnormal dispersion region to normal dispersion region , the bandwidth reduced and became flattened .

单模光纤正常色散区啁啾演变研究

The Study of the Chirps Evolution

光纤正常色散区基于脉冲对交叉相位调制的亮脉冲压缩

Compression of bright optical pulse by pulse pair in the normal dispersion regime of single mode fibers

实验研究了圆偏振和线偏振高强度飞秒激光脉冲在正常色散材料中传输时的时空自压缩现象。

Spatiotemporal self-compression of high-intensity femtosecond pulses with linear and circular polarization in normally dispersive media is experimentally studied .

建议利用三能级级联型介质实现从正常色散到反常色散的变换。

We suggest that a three-level cascade medium be used to achieve the switching from normal dispersion to anomalous dispersion .

结果表明，在反常非线性区和正常色散区都能产生调制不稳定性；

The results show that modulation instability can be produced both in anomalous dispersion regime and in normal dispersion regime .

通过改变耦合到探测跃迁的驱动场强度，可以实现从正常色散到反常色散的转换。

The switching from normal dispersion to anomalous dispersion is obtained by varying the intensity from couple to probe transition .

通过计算结构的有效折射率，证实了杂质带色散是正常色散。

After calculating the effective refractive index of the structure , we have verified that the impurity band has a normal dispersion .

结果表明，对于每一种情形，在同一频率区域系统既能呈现正常色散，也能呈现反常色散。

It is shown that for each case , the medium exhibits either normal or anomalous dispersion at the same frequency regime .

提出一种在单模光纤正常色散区由连续波产生超短光脉冲串的新方法。

A new method for ultrashort optical pulse train generation from a cw signal in the normal dispersion regime of optical fibers is suggested .