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1.发明申请公开(公告)号：US20230084074A1
公开(公告)日：2023-03-16
申请号：US17990331
申请日：2022-11-18
发明人： Qiang Guo , Kui Ouyang , Minghui Liu , Shiyi Cao
IPC分类号： H04B10/564 , H04B10/294 , H04B10/291
摘要： A filter includes a first filter component coupled to a second filter component. The first filter component is configured to receive an optical signal, and filter the optical signal based on a first power difference of signals transmitted on a plurality of frequency bands in the optical signal, where the first power difference includes a difference caused by a first doped optical fiber. The second filter component is loaded with a first driving electrical signal used to control a frequency response of the second filter component. The second filter component is configured to filter, using the frequency response based on a second power difference of the signals transmitted on the plurality of frequency bands, an optical signal obtained after the filtering by the first filter component.
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2.发明授权公开(公告)号：US12034486B2
公开(公告)日：2024-07-09
申请号：US17990331
申请日：2022-11-18
发明人： Qiang Guo , Kui Ouyang , Minghui Liu , Shiyi Cao
IPC分类号： H04B10/564 , H04B10/291 , H04B10/294
CPC分类号： H04B10/564 , H04B10/2916 , H04B10/2941
摘要： A filter includes a first filter component coupled to a second filter component. The first filter component is configured to receive an optical signal, and filter the optical signal based on a first power difference of signals transmitted on a plurality of frequency bands in the optical signal, where the first power difference includes a difference caused by a first doped optical fiber. The second filter component is loaded with a first driving electrical signal used to control a frequency response of the second filter component. The second filter component is configured to filter, using the frequency response based on a second power difference of the signals transmitted on the plurality of frequency bands, an optical signal obtained after the filtering by the first filter component.
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