This optical amplifier EDFA employ double cladding Erbium Ytterbium co-doped fiber, and employ the high power multimode pump, with a 10 times Conversion efficiency higher than the single mode general technology, and therefore have a lower relative cost and more compact size and lower power consumption, in particular, for FTTH or FTTB or other large distribution system applications.
The EY-doped fiber Amplifier bulit-in FWDM, which is ideal application for FTTX.
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