fwm

FWM effect redistributes the energy of different oscillating lines and causes multi-wavelength operation .

四波混频效应重新分配不同振荡线的能量从而产生多波长输出。

Compared with the quantum model , the FWM model gives analytic formulas and clear physical pictures , and has the advantage of efficient computing time .

相对于量子模型，四波混频理论给出了更加直接明显的物理规律，同时也大大节省了计算时间。

Study on measurement and control system of FWM resin viscosity

FWM树脂粘度测量控制系统的研究

Effect of time delay in FWM on intensity of output signal

四波混频中光束延迟对信号强度的影响

Theoretical analysis of wavelength converter based on FWM in semiconductor optical amplifier

半导体光放大器四波混频的波长转换器理论分析

The FWM filter is defined by only four parameters .

模糊加权中值滤波器只由4个参数确定。

One in-band OSNR monitoring method based on cascaded FWM is presented .

提出了基于级联四波混频的OSNR监测方式，并阐述了其基本原理。

Application of FWM photorefractive crystals in image real-time addition , subtraction and dynamic tracking display

光折变晶体四波混频在图象实时加减及动态追迹显示中的应用

These studies above will provide references for obtaining and modulating the best FWM signal .

上述的研究将为获得最佳的FWM信号以及对信号进行调制提供参考。

Frequency Chirp Performance of Tunable Wavelength Conversion Based on FWM in a Semiconductor Fiber Ring Laser

基于SFRL的FWM型可调谐波长转换器啁啾特性分析

Exact solution of the FWM in plasmas in the case of reflection grating

等离子体四波混频精确解反射光栅位形

The output characteristic of an erbium-doped fiber laser without FWM medium is analyzed , on condition of different structure parameters .

对没有四波混频介质的掺铒光纤激光器在不同结构参数下的输出特性进行了分析。

In this dissertation , all-optical signal processing based on FWM effects of SOAs is systematically investigated .

本文研究了基于SOA的四波混频效应的全光信号处理技术。

Effect of FWM on DWDM and Its Improving

FWM对DWDM系统的影响及改进措施研究

Experimental Study of All optical Wavelength Conversion Based on FWM in Optical Fiber Using a Spectrum sliced Fiber Amplifier Light Source

利用频谱分割法实现光纤中四波混频全光波长变换的实验研究

Based on technics and rule of winding , the tension control system of FWM is researched in this dissertation .

在分析缠绕工艺和规律的基础上，深入研究了该纤维缠绕机的张力控制系统。

Widely Tunable Wavelength Converter Based on Degenerated FWM in a High-nonlinearity Optical Fiber

基于光纤简并四波混频的可调谐波长转换器的优化设计

Analysis of Phase-conjugate Reflectivity by FWM in Bismuth Silicate Crystal

硅酸铋晶体四波混频共轭反射率分析

The results show that the relative intensity of the generated FWM signal be controlled by adjusting the EIT window .

研究表明，相对四波混频信号强度可以通过电磁诱导透明窗口来调节。

An all-optical comparator based on PolSK modulation format and FWM in semiconductor optical amplifier

基于PolSK调制格式的FWM型全光比较器

Affections of SPM / XPM / FWM on high-speed optical transmission and the related solutions

SPM/XPM/FWM对高速光传输的影响与对策探讨

The results show that FWM , XMP and SRS respectively take different effect under the different channel numbers and spacing ;

结果表明，在信道数和信道间隔不同时，FWM、XPM和SRS分别起不同作用；

Combined with large optical gain without cavity enhancement , FWM can make the spatial-multi-mode entangled images experimentally available .

加上不需要腔增强作用下足够大的光学增益，因此在实验上可以实现空间多模的纠缠量子成像。

This paper discusses the theory of FWM and its applications in all optical wavelength converter . And the improvement of wavelength conversion efficiency .

本文首先介绍了四波混频的相关理论，然后又研究了光纤四波混频效应在全光波长变换技术中的应用，和提高波长转换效率的办法。

The Coupled-Wave Equations of the Collinear FWM with a Slowly Varying Envelope

场振幅随时间慢变化的共线四波混频耦合方程组

Through increasing the power of pump beam and atomic density , the gain due to FWM parametric amplification can be enhanced .

通过增加泵浦光的光强和原子数密度，使得四波混频参量放大过程产生大的增益。

FWM researched in this thesis is the primary equipment that manufactures fiber production , and the controller is core in control system of this equipment .

本课题所研究的纤维缠绕机就是生产纤维缠绕制品的主要设备，控制器便是该设备控制系统的核心。

We also demonstrate a scheme to realize microwave photonic filters with arbitrary frequency response based on XGM and FWM in SOA .

利用半导体光放大器（SOA）的四波混频和交叉增益调制效应实现了具有任意频率响应的微波光子学滤波器。

Based on dual-pump FWM effect in SOA , this paper proposed a scheme of all optical wavelength conversion for PolSK .

本文基于SOA的双泵浦FWM效应，提出了适用于PolSK调制格式全光波长转换方案。

A new method for equally-spaced channel WDM + EDFA terrestrial systems to combat with fiber dispersion and FWM effects is proposed .

提出了一种用以克服等信道间距划分、波分复用（WDM）＋掺饵光纤放大器（EDFA）陆上光纤通信系统中光纤色散和四波混频（FWM）效应的新方案。