光纤通信:optical fiber communications
光源：light source
波长：wavelength
激光器：laser
色散：dispersion
传输介质：transmission medium
多模光纤：multi-mode fiber
长途干线：long-haul trunks
单模光纤：singer-mode fiber
带宽：band
带宽用户：wideband subscriber
纤维光学：fiber-optics
商用技术：commercial technology
门限电流：threshold current
光检测器：photodetector
波分复用：wavelength multiplexing
纤维光网络：fiber-optic network
视频带宽：video band
长途传输：long distance transmission
中继距离：repeater spacing
已装光纤的总长度：the total length of installed fiber
长途通信系统：long-haul telecommunication system
低衰减的石英纤维：the low-loss silica fiber
衰减接近瑞利极限的光纤：fibers with losses approaching the Rayleigh limit
室温下的门限电流：room temperature threshold currents
较长波长区：the longer wavelength region
用户接入工程：subscriber access project
部件性能和可靠性的改进：improvements in component performance and reliability
已安装的光纤系统的数据速率：data rates for installed fiber optic system
每秒吉比特：gigabit per second range
波分复用：wavelength multiplexing
带宽用户环路系统：wideband subscriber loop system
多纤连接器：multifibre connectors
设计寿命：projected lifetime
光源：light source
单模光纤：single-mode fiber
分布反馈式激光器：distributed-feedback laser
信息容量：information capacity
交换体系：switching hierarchy
带宽业务：broadband services