The technology of WDM combined with EDFA can take fully advantage of capability of fibers, being a premium method of realizing high-capacity, long-haul, high-speed communications.

• 波分复用(WDM)和掺铒光纤放大器(EDFA)的结合应用是充分挖掘光纤带宽能力，实现大容量、高速率、长距离通信的最佳手段。