{"id":"https://openalex.org/W4417282101","doi":"https://doi.org/10.1109/pimrc62392.2025.11274893","title":"Neural Network Based Digital Pre-Distortion for Coherent Optical Transmitter","display_name":"Neural Network Based Digital Pre-Distortion for Coherent Optical Transmitter","publication_year":2025,"publication_date":"2025-09-01","ids":{"openalex":"https://openalex.org/W4417282101","doi":"https://doi.org/10.1109/pimrc62392.2025.11274893"},"language":null,"primary_location":{"id":"doi:10.1109/pimrc62392.2025.11274893","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc62392.2025.11274893","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE 36th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)","raw_type":"proceedings-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/A5088090552","display_name":"Hamza Imtiaz","orcid":"https://orcid.org/0000-0002-9576-7081"},"institutions":[{"id":"https://openalex.org/I4210107211","display_name":"Applied Photonics (United Kingdom)","ror":"https://ror.org/01rm78x24","country_code":"GB","type":"company","lineage":["https://openalex.org/I4210107211"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Hamza Imtiaz","raw_affiliation_strings":["Université Lavel,Centre for Optics, Photonics and Lasers (COPL),Dept. of Electrical and Computer Eng,Canada"],"affiliations":[{"raw_affiliation_string":"Université Lavel,Centre for Optics, Photonics and Lasers (COPL),Dept. of Electrical and Computer Eng,Canada","institution_ids":["https://openalex.org/I4210107211"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5093382153","display_name":"Arman Safarnejadian","orcid":"https://orcid.org/0009-0004-5402-4291"},"institutions":[{"id":"https://openalex.org/I4210107211","display_name":"Applied Photonics (United Kingdom)","ror":"https://ror.org/01rm78x24","country_code":"GB","type":"company","lineage":["https://openalex.org/I4210107211"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Arman Safarnejadian","raw_affiliation_strings":["Université Lavel,Centre for Optics, Photonics and Lasers (COPL),Dept. of Electrical and Computer Eng,Canada"],"affiliations":[{"raw_affiliation_string":"Université Lavel,Centre for Optics, Photonics and Lasers (COPL),Dept. of Electrical and Computer Eng,Canada","institution_ids":["https://openalex.org/I4210107211"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087912112","display_name":"Leslie A. Rusch","orcid":"https://orcid.org/0000-0002-3888-3596"},"institutions":[{"id":"https://openalex.org/I4210107211","display_name":"Applied Photonics (United Kingdom)","ror":"https://ror.org/01rm78x24","country_code":"GB","type":"company","lineage":["https://openalex.org/I4210107211"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Leslie A. Rusch","raw_affiliation_strings":["Université Lavel,Centre for Optics, Photonics and Lasers (COPL),Dept. of Electrical and Computer Eng,Canada"],"affiliations":[{"raw_affiliation_string":"Université Lavel,Centre for Optics, Photonics and Lasers (COPL),Dept. of Electrical and Computer Eng,Canada","institution_ids":["https://openalex.org/I4210107211"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100447292","display_name":"Ming Zeng","orcid":"https://orcid.org/0000-0002-7318-6382"},"institutions":[{"id":"https://openalex.org/I4210107211","display_name":"Applied Photonics (United Kingdom)","ror":"https://ror.org/01rm78x24","country_code":"GB","type":"company","lineage":["https://openalex.org/I4210107211"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Ming Zeng","raw_affiliation_strings":["Université Lavel,Centre for Optics, Photonics and Lasers (COPL),Dept. of Electrical and Computer Eng,Canada"],"affiliations":[{"raw_affiliation_string":"Université Lavel,Centre for Optics, Photonics and Lasers (COPL),Dept. of Electrical and Computer Eng,Canada","institution_ids":["https://openalex.org/I4210107211"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5088090552"],"corresponding_institution_ids":["https://openalex.org/I4210107211"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.39323008,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","score":0.8021000027656555,"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/T10232","display_name":"Optical Network Technologies","score":0.8021000027656555,"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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.10520000010728836,"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/T11248","display_name":"Advanced Power Amplifier Design","score":0.04540000110864639,"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/artificial-neural-network","display_name":"Artificial neural network","score":0.7207000255584717},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.7153000235557556},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.5767999887466431},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.5569999814033508},{"id":"https://openalex.org/keywords/optical-communication","display_name":"Optical communication","score":0.47510001063346863},{"id":"https://openalex.org/keywords/quadrature-amplitude-modulation","display_name":"Quadrature amplitude modulation","score":0.43320000171661377},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.4180999994277954},{"id":"https://openalex.org/keywords/amplitude","display_name":"Amplitude","score":0.3928999900817871}],"concepts":[{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.7207000255584717},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.7153000235557556},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.647599995136261},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.5767999887466431},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.5569999814033508},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5333999991416931},{"id":"https://openalex.org/C129404179","wikidata":"https://www.wikidata.org/wiki/Q1469765","display_name":"Optical communication","level":2,"score":0.47510001063346863},{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.43320000171661377},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.4180999994277954},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.3928999900817871},{"id":"https://openalex.org/C45235069","wikidata":"https://www.wikidata.org/wiki/Q278425","display_name":"Table (database)","level":2,"score":0.38100001215934753},{"id":"https://openalex.org/C201905106","wikidata":"https://www.wikidata.org/wiki/Q183755","display_name":"Amplitude modulation","level":4,"score":0.3783999979496002},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.36649999022483826},{"id":"https://openalex.org/C26840048","wikidata":"https://www.wikidata.org/wiki/Q7098880","display_name":"Optical performance monitoring","level":4,"score":0.310699999332428},{"id":"https://openalex.org/C50831002","wikidata":"https://www.wikidata.org/wiki/Q7098873","display_name":"Optical modulation amplitude","level":4,"score":0.28189998865127563},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.28049999475479126},{"id":"https://openalex.org/C134835016","wikidata":"https://www.wikidata.org/wiki/Q690265","display_name":"Lookup table","level":2,"score":0.27219998836517334},{"id":"https://openalex.org/C11930861","wikidata":"https://www.wikidata.org/wiki/Q181417","display_name":"Frequency modulation","level":3,"score":0.2705000042915344},{"id":"https://openalex.org/C96834759","wikidata":"https://www.wikidata.org/wiki/Q750463","display_name":"Phase modulation","level":3,"score":0.2687000036239624},{"id":"https://openalex.org/C2991936344","wikidata":"https://www.wikidata.org/wiki/Q756033","display_name":"Nonlinear optical","level":3,"score":0.26669999957084656},{"id":"https://openalex.org/C175202392","wikidata":"https://www.wikidata.org/wiki/Q2434543","display_name":"Time delay neural network","level":3,"score":0.2655999958515167},{"id":"https://openalex.org/C192126672","wikidata":"https://www.wikidata.org/wiki/Q1068715","display_name":"Telecommunications network","level":2,"score":0.2597000002861023}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pimrc62392.2025.11274893","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc62392.2025.11274893","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE 36th International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320334971","display_name":"Science and Engineering Research Council","ror":"https://ror.org/00zgdb249"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1561394723","https://openalex.org/W1972295349","https://openalex.org/W2126667631","https://openalex.org/W2147914016","https://openalex.org/W2163026646","https://openalex.org/W2910519053","https://openalex.org/W2911654923","https://openalex.org/W3011243856","https://openalex.org/W3014655277","https://openalex.org/W3036632838","https://openalex.org/W3128855577","https://openalex.org/W3210954860","https://openalex.org/W4212783543","https://openalex.org/W4387133984","https://openalex.org/W4389542623","https://openalex.org/W4402206858","https://openalex.org/W4405937374","https://openalex.org/W4409992518"],"related_works":[],"abstract_inverted_index":{"High":[0],"throughput":[1],"coherent":[2,58],"optical":[3,10,59],"transmitters":[4],"are":[5],"critical":[6],"elements":[7],"in":[8,106],"future":[9],"communication":[11],"systems,":[12],"but":[13],"their":[14],"performance":[15],"is":[16],"constrained":[17],"by":[18],"components":[19],"nonlinearities.":[20],"We":[21,49,68],"propose":[22],"a":[23,51,102],"bidirectional":[24],"recurrent":[25],"neural":[26,72],"network":[27,73],"(RNN)":[28],"based":[29],"digital":[30],"pre-distortion":[31],"(DPD)":[32],"method,":[33],"trained":[34,90],"using":[35],"both":[36],"direct":[37],"learning":[38,42],"(DL)":[39],"and":[40,66,80],"indirect":[41],"(IL),":[43],"to":[44,101],"effectively":[45],"mitigate":[46],"nonlinear":[47,96],"distortions.":[48],"simulate":[50],"64":[52],"Gbaud":[53],"64-quadrature":[54],"amplitude":[55],"modulation":[56],"(QAM)":[57],"transmitter":[60],"under":[61],"varying":[62],"levels":[63],"of":[64],"nonlinearity":[65],"noise.":[67],"evaluate":[69],"the":[70,88],"proposed":[71],"(NN)-DPD":[74],"against":[75],"Volterra,":[76],"look-up":[77],"table":[78],"(LUT)-3":[79],"linear":[81,112],"DPD":[82,97],"solutions.":[83],"Our":[84],"results":[85],"show":[86],"that":[87],"NN-DPD":[89],"via":[91],"DL":[92],"consistently":[93],"outperforms":[94],"other":[95],"methods,":[98],"achieving":[99],"up":[100],"4.4":[103],"dB":[104],"gain":[105],"effective":[107],"signal-to-noise":[108],"ratio":[109],"(SNR)":[110],"over":[111],"DPD.":[113]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-12-12T00:00:00"}