{"id":"https://openalex.org/W7154147794","doi":"https://doi.org/10.1364/jocn.580631","title":"Link-adaptive digital twin for robust physical-layer modeling in hybrid-amplified ultra-wideband optical networks","display_name":"Link-adaptive digital twin for robust physical-layer modeling in hybrid-amplified ultra-wideband optical networks","publication_year":2026,"publication_date":"2026-04-13","ids":{"openalex":"https://openalex.org/W7154147794","doi":"https://doi.org/10.1364/jocn.580631"},"language":"en","primary_location":{"id":"doi:10.1364/jocn.580631","is_oa":false,"landing_page_url":"https://doi.org/10.1364/jocn.580631","pdf_url":null,"source":{"id":"https://openalex.org/S180088163","display_name":"Journal of Optical Communications and Networking","issn_l":"1943-0620","issn":["1943-0620","1943-0639"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Optical Communications and Networking","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102599674","display_name":"Xiaoxuan Gao","orcid":"https://orcid.org/0009-0003-1923-7243"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xiaoxuan Gao","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0009-0003-1923-7243","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110521306","display_name":"Rentao Gu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Rentao Gu","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-3183-2857","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133506577","display_name":"Yingchun Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I180662265","display_name":"China Mobile (China)","ror":"https://ror.org/05gftfe97","country_code":"CN","type":"company","lineage":["https://openalex.org/I180662265"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yingchun Wang","raw_affiliation_strings":["China Mobile Group Design Institute Co., Ltd"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Mobile Group Design Institute Co., Ltd","institution_ids":["https://openalex.org/I180662265"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133504644","display_name":"Xinyi Liu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xinyi Liu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042618558","display_name":"Junshi Gao","orcid":null},"institutions":[{"id":"https://openalex.org/I180662265","display_name":"China Mobile (China)","ror":"https://ror.org/05gftfe97","country_code":"CN","type":"company","lineage":["https://openalex.org/I180662265"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junshi Gao","raw_affiliation_strings":["China Mobile Group Design Institute Co., Ltd"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"China Mobile Group Design Institute Co., Ltd","institution_ids":["https://openalex.org/I180662265"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5133498039","display_name":"Yuefeng Ji","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yuefeng Ji","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-6618-272X","affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.37600973,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"18","issue":"6","first_page":"553","last_page":"553"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10767","display_name":"Advanced Photonic Communication Systems","score":0.569100022315979,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10767","display_name":"Advanced Photonic Communication Systems","score":0.569100022315979,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","score":0.15549999475479126,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12024","display_name":"Ultra-Wideband Communications Technology","score":0.06369999796152115,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/optical-communication","display_name":"Optical communication","score":0.3831999897956848},{"id":"https://openalex.org/keywords/packet-switching","display_name":"Packet switching","score":0.301800012588501},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.2971000075340271},{"id":"https://openalex.org/keywords/telecommunications-network","display_name":"Telecommunications network","score":0.2921999990940094},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.2854999899864197},{"id":"https://openalex.org/keywords/data-transmission","display_name":"Data transmission","score":0.27639999985694885}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6437000036239624},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.40869998931884766},{"id":"https://openalex.org/C129404179","wikidata":"https://www.wikidata.org/wiki/Q1469765","display_name":"Optical communication","level":2,"score":0.3831999897956848},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3239000141620636},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3181000053882599},{"id":"https://openalex.org/C113508815","wikidata":"https://www.wikidata.org/wiki/Q193446","display_name":"Packet switching","level":3,"score":0.301800012588501},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.2971000075340271},{"id":"https://openalex.org/C192126672","wikidata":"https://www.wikidata.org/wiki/Q1068715","display_name":"Telecommunications network","level":2,"score":0.2921999990940094},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.2854999899864197},{"id":"https://openalex.org/C557945733","wikidata":"https://www.wikidata.org/wiki/Q389772","display_name":"Data transmission","level":2,"score":0.27639999985694885},{"id":"https://openalex.org/C197417287","wikidata":"https://www.wikidata.org/wiki/Q7098837","display_name":"Optical burst switching","level":5,"score":0.26930001378059387},{"id":"https://openalex.org/C45613198","wikidata":"https://www.wikidata.org/wiki/Q1134091","display_name":"Optical filter","level":2,"score":0.2605000138282776},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.2597000002861023},{"id":"https://openalex.org/C101336846","wikidata":"https://www.wikidata.org/wiki/Q17105111","display_name":"Optical switch","level":2,"score":0.2565000057220459},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.25600001215934753},{"id":"https://openalex.org/C2984692560","wikidata":"https://www.wikidata.org/wiki/Q523846","display_name":"Integrated optics","level":2,"score":0.2551000118255615}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1364/jocn.580631","is_oa":false,"landing_page_url":"https://doi.org/10.1364/jocn.580631","pdf_url":null,"source":{"id":"https://openalex.org/S180088163","display_name":"Journal of Optical Communications and Networking","issn_l":"1943-0620","issn":["1943-0620","1943-0639"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Optical Communications and Networking","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.7026014924049377}],"awards":[{"id":"https://openalex.org/G5291491730","display_name":null,"funder_award_id":"U25B2013","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W3003464172","https://openalex.org/W3006729569","https://openalex.org/W3009871171","https://openalex.org/W3036115760","https://openalex.org/W3047903619","https://openalex.org/W4220714411","https://openalex.org/W4225941096","https://openalex.org/W4280634078","https://openalex.org/W4312105794","https://openalex.org/W4313417953","https://openalex.org/W4362604592","https://openalex.org/W4365450780","https://openalex.org/W4365790437","https://openalex.org/W4366525217","https://openalex.org/W4385627178","https://openalex.org/W4385695891","https://openalex.org/W4388052847","https://openalex.org/W4388214389","https://openalex.org/W4388730117","https://openalex.org/W4391305678","https://openalex.org/W4396891594","https://openalex.org/W4396892521","https://openalex.org/W4396892567","https://openalex.org/W4396892823","https://openalex.org/W4396909596","https://openalex.org/W4396941283","https://openalex.org/W4396941306","https://openalex.org/W4399310999","https://openalex.org/W4401387262","https://openalex.org/W4402125146","https://openalex.org/W4402804223","https://openalex.org/W4405718014","https://openalex.org/W4407937801","https://openalex.org/W4408181076"],"related_works":[],"abstract_inverted_index":{"Ultra-wideband":[0],"optical":[1],"networks":[2],"represent":[3],"a":[4,140,274],"practical":[5,199],"solution":[6],"for":[7,186,278],"expanding":[8],"communication":[9],"capacity":[10,40],"and":[11,22,39,68,117,223,242,249,259,261,307,311],"supporting":[12],"emerging":[13],"applications":[14],"such":[15],"as":[16,79,81,268,270],"artificial":[17],"intelligence":[18],"data":[19],"center":[20],"interconnection":[21],"6G-oriented":[23],"intelligent":[24],"networks.":[25],"Accurate":[26],"physical-layer":[27,77,209],"modeling":[28,73,78,100,196,210],"has":[29],"become":[30],"increasingly":[31],"essential":[32],"to":[33,64,92,125,142,155,159,172,246,254],"ensure":[34],"reliable":[35],"ultra-wideband":[36,62],"network":[37,146],"operation":[38],"optimization,":[41],"particularly":[42],"under":[43,198],"the":[44,55,66,94,98,122,174,178,181,205,228,231,234,283],"intensified":[45],"inter-channel":[46],"stimulated":[47],"Raman":[48,191,220],"scattering":[49],"(ISRS)":[50],"effect.":[51],"This":[52],"paper":[53],"proposes":[54],"link-adaptive":[56],"digital":[57],"twin":[58],"(LA-DT)":[59],"of":[60,71,96,177,239,256,304],"hybrid-amplified":[61],"links":[63],"overcome":[65],"generalization":[67,127],"speed":[69],"limitations":[70],"existing":[72],"methods,":[74],"achieving":[75,298],"accurate":[76,208],"well":[80],"robust":[82],"generalized":[83],"signal-to-noise":[84],"ratio":[85],"(GSNR)":[86],"estimation":[87,266,302],"across":[88,211],"diverse":[89,215],"links.":[90],"First,":[91],"address":[93],"heterogeneity":[95],"EDFAs,":[97],"GSNR":[99,265,301],"task":[101],"is":[102],"decomposed":[103],"into":[104],"three":[105,132,167],"key":[106],"power":[107,130,244],"predictions,":[108],"including":[109],"amplified":[110],"spontaneous":[111],"emission":[112],"(ASE),":[113],"nonlinear":[114],"interference":[115],"(NLI),":[116],"signal":[118,243],"powers":[119],"before":[120],"entering":[121],"EDFA.":[123],"Second,":[124],"enhance":[126],"in":[128],"cross-scenario":[129],"prediction,":[131],"dedicated":[133],"DT":[134],"models":[135],"are":[136,170],"developed":[137],"based":[138],"on":[139],"novel,":[141],"our":[143],"knowledge,":[144],"neural":[145],"architecture":[147],"that":[148,204],"introduces":[149],"linear":[150],"modulation":[151],"layers":[152],"(LMLs).":[153],"Third,":[154],"enable":[156],"rapid":[157],"adaptation":[158],"previously":[160,280],"unseen":[161,281],"scenarios":[162,213],"with":[163,214,227,292],"only":[164,293],"limited":[165],"data,":[166],"domain":[168],"discriminators":[169],"designed":[171],"guide":[173],"few-shot":[175,290],"fine-tuning":[176,291],"LMLs.":[179],"Finally,":[180],"proposed":[182],"LA-DT":[183,206,232,284],"explicitly":[184],"accounts":[185],"insertion":[187,224],"loss":[188],"induced":[189],"by":[190],"amplifiers":[192],"(RAs),":[193],"thereby":[194],"improving":[195],"reliability":[197],"deployment":[200],"conditions.":[201],"Results":[202],"demonstrate":[203],"achieves":[207,262],"35":[212],"fiber":[216],"lengths,":[217],"launch":[218],"powers,":[219,222],"pump":[221],"losses.":[225],"Compared":[226],"baseline":[229],"method,":[230],"reduces":[233],"average":[235,264,300],"root-mean-square":[236],"error":[237],"(RMSE)":[238],"NLI,":[240],"ASE,":[241],"predictions":[245],"0.151,":[247],"0.111,":[248],"0.113":[250],"dBm,":[251,272],"respectively,":[252],"corresponding":[253],"improvements":[255],"56.0%,":[257],"58.4%,":[258],"52.7%,":[260],"an":[263,299],"RMSE":[267,303],"low":[269],"0.114":[271],"representing":[273],"55.8%":[275],"improvement.":[276],"Moreover,":[277],"12":[279],"scenarios,":[282],"maintains":[285],"high":[286],"accuracy":[287],"through":[288],"domain-discriminator-guided":[289],"20":[294],"samples":[295],"per":[296],"scenario,":[297],"0.159":[305],"dB":[306],"demonstrating":[308],"strong":[309],"adaptability":[310],"robustness.":[312]},"counts_by_year":[],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2026-04-14T00:00:00"}
