| 摘要 |
The invention is related to a passive optical network with a central station and at least one remote station, the stations are connected via a downstream link and a upstream link. The remote station is connected with subscriber unit that comprises receiving and transmitting devices for wavelength multiplexed optical signals over fiber links. The remote station comprises a fiber amplifier with a demultiplexer parallel arranged amplification fibers linked to a pump laser source wherein the output links of the amplification fibers are connected to related subscriber units.
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