| 摘要 |
Optical systems of the present invention includes power sources that provide dedicated and shared power to a plurality of optical amplification sections. In various embodiments, multiple optical pump sources are provided the inclu de a plurality of optical sources, which supply dedicated optical pump power an d shared optical pump power to two or more optical amplification sections. In other embodiments, remote dispersion compensation is performed and Raman amplification is provided to overcome at least a portion of the loss.</SDOAB >
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