METHOD AND APPARATUS FOR DETERMINING MAXIMUM GAIN OF RAMAN FIBER AMPLIFIER

The present disclosure relates to a technical field of optical communication, and provides a method and an apparatus for determining maximum gain of Raman fiber amplifier. Wherein the method includes obtaining transmission performance parameters of a current optical fiber transmission line; respecti...

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Hauptverfasser:	FANG, Di, YU, Chunpin, ZHANG, Peng, BU, Qinlian, LE, Menghui, FU, Chengpeng, TAO, Jintao, LIU, Fei, ZHANG, Cuihong
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS DEVICES USING STIMULATED EMISSION ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION
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creator	FANG, Di YU, Chunpin ZHANG, Peng BU, Qinlian LE, Menghui FU, Chengpeng TAO, Jintao LIU, Fei ZHANG, Cuihong
description	The present disclosure relates to a technical field of optical communication, and provides a method and an apparatus for determining maximum gain of Raman fiber amplifier. Wherein the method includes obtaining transmission performance parameters of a current optical fiber transmission line; respectively obtaining impact factors A1, A2, A4according to a distance between a joint and a pump source, a fiber loss coefficient, and a fiber length included in the transmission performance parameters; calculating a joint loss value AttAeffaccording to a distance between a joint and a pump source, a fiber loss coefficient, and looking up impact factor A3according to AttAeff; determining an actual maximum gain which may actually be achieved by the Raman fiber amplifier according to A1, A2, A3, A4. The actual maximum gain obtained in the present disclosure is the maximum gain that may be achieved over all input power ranges, and the original signal in system is kept to operate at a fixed gain, such that a gain locking effect is realized, and fluctuation of existing transmission signal power caused by signal change in transmission fiber link is avoided.
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Wherein the method includes obtaining transmission performance parameters of a current optical fiber transmission line; respectively obtaining impact factors A1, A2, A4according to a distance between a joint and a pump source, a fiber loss coefficient, and a fiber length included in the transmission performance parameters; calculating a joint loss value AttAeffaccording to a distance between a joint and a pump source, a fiber loss coefficient, and looking up impact factor A3according to AttAeff; determining an actual maximum gain which may actually be achieved by the Raman fiber amplifier according to A1, A2, A3, A4. The actual maximum gain obtained in the present disclosure is the maximum gain that may be achieved over all input power ranges, and the original signal in system is kept to operate at a fixed gain, such that a gain locking effect is realized, and fluctuation of existing transmission signal power caused by signal change in transmission fiber link is avoided.</description><language>eng ; fre ; ger</language><subject>BASIC ELECTRIC ELEMENTS ; DEVICES USING STIMULATED EMISSION ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; TRANSMISSION</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220330&DB=EPODOC&CC=EP&NR=3588810B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220330&DB=EPODOC&CC=EP&NR=3588810B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FANG, Di</creatorcontrib><creatorcontrib>YU, Chunpin</creatorcontrib><creatorcontrib>ZHANG, Peng</creatorcontrib><creatorcontrib>BU, Qinlian</creatorcontrib><creatorcontrib>LE, Menghui</creatorcontrib><creatorcontrib>FU, Chengpeng</creatorcontrib><creatorcontrib>TAO, Jintao</creatorcontrib><creatorcontrib>LIU, Fei</creatorcontrib><creatorcontrib>ZHANG, Cuihong</creatorcontrib><title>METHOD AND APPARATUS FOR DETERMINING MAXIMUM GAIN OF RAMAN FIBER AMPLIFIER</title><description>The present disclosure relates to a technical field of optical communication, and provides a method and an apparatus for determining maximum gain of Raman fiber amplifier. 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Wherein the method includes obtaining transmission performance parameters of a current optical fiber transmission line; respectively obtaining impact factors A1, A2, A4according to a distance between a joint and a pump source, a fiber loss coefficient, and a fiber length included in the transmission performance parameters; calculating a joint loss value AttAeffaccording to a distance between a joint and a pump source, a fiber loss coefficient, and looking up impact factor A3according to AttAeff; determining an actual maximum gain which may actually be achieved by the Raman fiber amplifier according to A1, A2, A3, A4. The actual maximum gain obtained in the present disclosure is the maximum gain that may be achieved over all input power ranges, and the original signal in system is kept to operate at a fixed gain, such that a gain locking effect is realized, and fluctuation of existing transmission signal power caused by signal change in transmission fiber link is avoided.</abstract><oa>free_for_read</oa></addata></record>
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language	eng ; fre ; ger
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subjects	BASIC ELECTRIC ELEMENTS DEVICES USING STIMULATED EMISSION ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION
title	METHOD AND APPARATUS FOR DETERMINING MAXIMUM GAIN OF RAMAN FIBER AMPLIFIER
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