WO2023147782 - SYSTEM AND METHOD FOR PHASE NOISE COMPENSATION IN FIBERED OPTICAL PATHS
National phase entry:
Publication Number
WO/2023/147782
Publication Date
10.08.2023
International Application No.
PCT/CN2023/074648
International Filing Date
06.02.2023
Title **
[English]
SYSTEM AND METHOD FOR PHASE NOISE COMPENSATION IN FIBERED OPTICAL PATHS
[French]
SYSTÈME ET PROCÉDÉ DE COMPENSATION DE BRUIT DE PHASE DANS DES CHEMINS OPTIQUES À FIBRES
Applicants **
HUAWEI TECHNOLOGIES CO., LTD.
Inventors
JIANG, Zhiping
LIN, Jiachuan
Priority Data
17/665,945
07.02.2022
US
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
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| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
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International Searching Authority |
CNIPA
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 1778 | |
| EPO | Filing, Examination, Granting | 12599 | |
| Japan | Filing, Examination, Granting | 2216 | |
| South Korea | Filing, Examination, Granting | 2270 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
23,603
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
A system for laser phase noise compensation for a fibered communication path, the system being configured for connection with a node of the fibered communication path, including at least one signal splitter optically coupled to a laser source of the fibered communication path, the at least one signal splitter having two output communication path, the communication paths having a path difference therebetween; an integrated coherent receiver (ICR) optically coupled to the first output communication path and the second output communication path; and a digital signal processor (DSP) communicatively connected to the ICR, the ICR being configured to determine, based signals received from the first and second output communication paths, at least one phase noise indication related to phase noise of the laser source, the DSP being configured to determine an estimated laser phase noise based on at least the at least one phase noise indication.[French]
Un système de compensation de bruit de phase laser pour un trajet de communication à fibres, le système étant configuré pour une connexion avec un noeud du trajet de communication à fibres, comprenant au moins un diviseur de signal couplé optiquement à une source laser du trajet de communication à fibres, le ou les diviseurs de signal ayant deux trajets de communication de sortie, les trajets de communication ayant une différence de trajet entre eux ; un récepteur cohérent intégré (ICR) couplé optiquement au premier trajet de communication de sortie et au second trajet de communication de sortie ; et un processeur de signal numérique (DSP) connecté en communication à l'ICR, l'ICR étant configuré pour déterminer, sur la base de signaux reçus en provenance des premier et second trajets de communication de sortie, au moins une indication de bruit de phase liée au bruit de phase de la source laser, le DSP étant configuré pour déterminer un bruit de phase laser estimé sur la base d'au moins l'au moins une indication de bruit de phase.