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1. 发明公开

EP4318976A1 OPTICAL SIGNAL AMPLIFICATION APPARATUS AND METHOD 审中-实审
公开(公告)号：EP4318976A1
公开(公告)日：2024-02-07
申请号：EP22794506.0
申请日：2022-04-01
申请人： Huawei Technologies Co., Ltd.
发明人： GUO, Qiang , ZHOU, Rui , JI, Xiaofan , ZHANG, Lin
IPC分类号： H04B10/291
摘要： This application provides an optical signal amplification apparatus and method, so that gains of different channels in different spatial dimensions are dynamically adjusted based on power configuration information, to compensate for a differential mode gain DMG generated after signal light is amplified through an optical fiber, thereby implementing gain equalization of different channels in different spatial dimensions. The optical signal amplification apparatus includes a power detection module, a pump control module, and a Raman amplification module. The power detection module is configured to detect power of each of G wavelength channels in N spatial dimensions, and send power configuration information to the pump control module. The pump control module is configured to output N channels of pump light, where each channel of pump light includes M pieces of split pump light of different wavelengths, and a proportion of each piece of split pump light in pump light of a corresponding wavelength is determined based on the power configuration information. The Raman amplification module is configured to perform Raman amplification on a space division multiplexed signal in all of the N spatial dimensions by using the N channels of pump light.

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