A packet transfer apparatus (3) executes mutual conversion and transfer of an upper layer packet on a user terminal side and a lower layer frame on an optical wavelength path side.
数据包传送装置(3)执行用户终端侧的上层数据包和光波长路径侧的下层帧的相互转换和传送。
Virtual wavelength path is very important for making full use of bandwidth resource of WDM optical network and the wavelength converter is the key to realize the virtual wavelength path.
虚波长通道是充分发挥WDM光网络带宽资源的关键所在，而波长变换器又是实现虚波长通道的根本途径。
Stimulated Raman scattering signal wavelength is like making a longer wavelength signal path or spontaneous Raman scattering of a Raman - displacement pump.
受激喇曼散射使得信号波长就象是更长波长信号通道或者自发散射的喇曼位移光的一个喇曼泵。
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