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引言近年来分布式光纤喇曼放大器(DFRA)以其优异的噪音特性成为长跨距传输中的关键器件,但是对于超长距离的传输系统,有时仅仅依靠喇曼放大器是解决不了问题的,远程泵浦则为此提供了良好的解决方案。远程泵浦光放大器(ROPA,RemotelyOptically Pumped Amplifier)简称
Introduction In recent years, the distributed optical fiber Raman amplifier (DFRA) has become a key component of long-span transmission due to its excellent noise characteristics. However, for ultra-long-distance transmission systems, Raman amplifiers alone sometimes can not solve the problem. Remotely Pump provides a good solution for this. Remote Pump Optical Amplifier (ROPA, Remotely Optically Pumped Amplifier) referred to