It is very important to the wavelength conversion through fwm . the result shows that a shorter fiber is necessary to get an enough efficiency when employing high optical energy 结果表明相位调制对四波混频的效率会有影响，用四波混频进行波长转换时该情况有很大作用。
Fifth ieee symp . computers and communications , antibes , france , july 3 - 6 , 2000 , pp . 773 - 778 . 12 viswanathan a , feldman n , wang z , callon r . evolution of multiprotocol label switching 此外，算法所建立的路径，尽量减少封包传送时经过波长转换器的次数，以避免封包延迟或丢弃，并增加封包传送的效率。
Secondly we introduce the independence model to analyse the sparse wavelength conversion case . then we compute the mean blocking probability for a whole network and discuss some network topologies in common use 接着,对于wdm光网络中只有部分节点具有全波长转换能力时网络阻塞率的计算这一问题也提出了其独立模型的解法。
A single fiber can be employed for multiple data streams simultaneously . all - optical networks employing the concept of wdm and wavelength routing are considered as the transport networks for the future 鉴于目前具备全波长转换能力的波长路由节点仍然相当昂贵,因此实际应用中为所有网络节点装配全波长转换器的作法并不现实。
In the part of contention resolution in wavelength domain , the schemes of contention resolution with wavelength conversion , spc ( single - per - channel ) , spl ( share - per - link ) and spn ( share - per - node ) are analyzed and compared 在波长域的竞争解决研究中,首先对spc 、 spl和spn三种共享波长转换器结构的竞争解决方案进行了仿真分析。
This paper introduced the effects on appling fwm in the soa , described the methods of the increasing the power effciency and snr in the wavelength conversion through the record of the experiment 摘要介绍了半导体光放大器内四波混频的特点，研究了波长转换过程中的一些特性，通过实验记录给出了波长转换时提高转换效率和增强信噪比的方法。
In this paper , wavelength assignment in wdm optical networks with dynamic traffic is studied and a fair priority based dynamic threshold algorithm for wavelength assignment without wavelength conversion proposed 摘要文章研究了波分复用( wdm )光网络中动态业务下的波长分配问题，在无波长转换器的条件下，提出了一种加入了公平性考虑的动态门限算法。
But up to now , none of them are commercially available . among these technologies , wavelength converters based on cross - gain modulation , cross - phase modulation and four - wave mixing in semiconductor optical amplifier is the mainstream of research 其中，基于半导体光放大器中的交叉增益调制、交叉相位调制和四波混频效应的波长转换技术是研究的主流方向。
Generalized multiprotocol label switching : an overview of routing and management enhancements . ieee communications magazine , 2001 , 39 : 144 - 150 . 19 fontaine m , smith d g . bandwidth allocation and connection admission control in atm networks 在论文中，将针对波长的使用效率路径的长度波长转换器使用的个数及点对点传送所花费的网络资源，来评估所研究的算法执行效能。
This work mainly studies the influence of cross phase modulation ( xpm ) on dwdm systems and schemes to suppress the influence . in addition , all - optical wavelength converter based on xpm in optical fiber is studied 本文主要研究密集波分复用系统中的一种重要的非线性效应? ?交叉相位调制对系统性能的影响及减小其影响的方法，并研究基于光纤中交叉相位调制的波长转换器。
