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Title:
ASSEMBLIES AND METHODS FOR MANAGING SPECTRAL HOLE BURNING
Document Type and Number:
WIPO Patent Application WO/2024/067160
Kind Code:
A1
Abstract:
System and method for managing spectral hole burning (SHB) effect in an optical transport network (OTN) link. The method is performed by an automatic gain control (AGC) circuit of an amplification assembly of the OTN link. The method comprises determining, via a first photodetector communicatively connected to the AGC circuit, an input power of an income signal and, in response to the input power being less than a predetermined portion of a full-loading signal power, causing a pump power variable attenuator (PVOA) of the amplification assembly to attenuate pump power from a pump source, the PVOA being disposed optically intermediate a first doped fiber and a second doped fiber of the amplification assembly.

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Inventors:
WANG LIXIAN (CA)
JIANG ZHIPING (CA)
Application Number:
PCT/CN2023/119037
Publication Date:
April 04, 2024
Filing Date:
September 15, 2023
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04J14/02
Domestic Patent References:
WO2018166381A12018-09-20
WO2022048751A12022-03-10
Foreign References:
US20080074731A12008-03-27
CN1965510A2007-05-16
US20020060837A12002-05-23
US20010028490A12001-10-11
US20090091819A12009-04-09
US20130004181A12013-01-03
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