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1. 发明申请

US20050226622A1 Underwater repeater employing rare earth element doped fiber amplifier, Raman assist and optical pump source sparing 审中-公开
标题翻译：使用稀土元素掺杂光纤放大器的水下中继器，拉曼辅助和光泵源保护
公开(公告)号：US20050226622A1
公开(公告)日：2005-10-13
申请号：US10818888
申请日：2004-04-06
申请人： Patrick Trischitta , Koji Goto , Hidenori Taga
发明人： Patrick Trischitta , Koji Goto , Hidenori Taga
IPC分类号： H04B10/17 , H04J14/02
CPC分类号： H04B10/2918 , H04B10/2916 , H04J14/0221
摘要： An optical repeater is provided which is operable to amplify signals propagated by a pair of optical transmission fibers. The optical repeater includes a first rare earth element doped (REED) fiber coupled to a first transmission fiber of the pair of optical transmission fibers. A second rare earth element doped (REED) fiber is coupled to a second transmission fiber of the pair of optical transmission fibers. A plurality of optical pump sources are provided, there being either four or more pump sources, or at least two pump sources in which each pump source has a different center wavelength. One or more optical energy couplers are coupled to combine portions of the outputs of all the optical pump sources and to distribute the combined portions for insertion into each of the first and second REED fibers for amplification of signals and into each of the first and second transmission fibers for Raman amplification of signals.
摘要翻译：提供了一种光中继器，其可操作以放大由一对光传输光纤传播的信号。光中继器包括耦合到该对光传输光纤的第一传输光纤的第一稀土元素掺杂（REED）光纤。第二稀土元素掺杂（REED）光纤耦合到该对光传输光纤的第二传输光纤。提供了多个光泵浦源，其中有四个或更多个泵浦源，或至少两个泵浦源，其中每个泵浦源具有不同的中心波长。一个或多个光能耦合器被耦合以组合所有光泵浦源的输出的部分并且分配用于插入到每个第一和第二REED光纤中的组合部分，用于放大信号并进入第一和第二传输用于信号拉曼放大的纤维。

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