FWDM滤波片波分复用器接纳介质膜滤光片滤波，波长稳固性好；接纳密封工艺封装，情形稳固性高。

微型CCWDM波分复用器基于薄膜滤波片手艺和自由空间手艺，具有优异的热稳固性。在公共端及各通道之间的有一瞄准直器，产品插入消耗低且通道一致性好

Recent innovations in DWDM transport systems include pluggable and software-tunable transceiver modules capable of operating on 40 or 80 channels. This dramatically reduces the need for discrete spare pluggable modules, when a handful of pluggable devices can handle the full range of wavelengths.

Passive CWDM is an implementation of CWDM that uses no electrical power. Its ability to work is based on the principals of a prism. Many manufactures are promoting passive CWDM to deploy fiber to the home. Used with CWDM SFP transceiver, CWDM XFP transceiver, CWDM X2 transceiver, CWDM SFP+ transceiver

电信多通道DWDM光纤放大器：FTA- 1550D系列 顶级型EDFA是CATV及电信单、多通道光纤放大器即增益平展光纤放大器，是 现在光纤放大器中具有代表性的一种。由于EDFA事情波长为1550nm，与光纤的低消耗波段一致且其手艺已较量成熟，以是获得普遍应用。掺铒光纤是 EDFA的焦点原件，它以石英光纤作基质质料，并在其纤芯中掺入一定比例的稀土原素铒离子（Er3+）。

电信用DWDM系统光纤放大器,该产品为高平展性EDFA。焦点器件接纳高可靠性的 Pump激光器，接纳奇异的APC(自动功率控制) 和ATC(自动温度控制)电路,使得输出功率稳固度高、可靠性好；奇异的光路设计包管优异的光路指标；接纳高稳固和高精度的MPU（微处置惩罚器）系统使调 节、显示利便、可靠、智能。专业设计的GFF（增益平展滤波器），配合优异的光路设计，使平展度与噪声都获得最佳的优化。