{"id":"https://openalex.org/W3132977656","doi":"https://doi.org/10.1109/ecoc48923.2020.9333191","title":"Digital Backpropagation for Optical Path Monitoring: Loss Profile and Passband Narrowing Estimation","display_name":"Digital Backpropagation for Optical Path Monitoring: Loss Profile and Passband Narrowing Estimation","publication_year":2020,"publication_date":"2020-12-01","ids":{"openalex":"https://openalex.org/W3132977656","doi":"https://doi.org/10.1109/ecoc48923.2020.9333191","mag":"3132977656"},"language":"en","primary_location":{"id":"doi:10.1109/ecoc48923.2020.9333191","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ecoc48923.2020.9333191","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 European Conference on Optical Communications (ECOC)","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/A5026016606","display_name":"Takeo Sasai","orcid":"https://orcid.org/0000-0001-9354-2770"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Takeo Sasai","raw_affiliation_strings":["NTT Network Innovation Laboratories"],"affiliations":[{"raw_affiliation_string":"NTT Network Innovation Laboratories","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017696825","display_name":"Masanori Nakamura","orcid":"https://orcid.org/0000-0003-1145-8036"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Masanori Nakamura","raw_affiliation_strings":["NTT Network Innovation Laboratories"],"affiliations":[{"raw_affiliation_string":"NTT Network Innovation Laboratories","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056307566","display_name":"Etsushi Yamazaki","orcid":"https://orcid.org/0000-0001-5373-353X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Etsushi Yamazaki","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018771928","display_name":"Shuto Yamamoto","orcid":"https://orcid.org/0000-0003-2027-2751"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shuto Yamamoto","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062577045","display_name":"Hideki Nishizawa","orcid":"https://orcid.org/0000-0002-3241-7797"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hideki Nishizawa","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5069919729","display_name":"Yoshiaki Kisaka","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yoshiaki Kisaka","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5026016606"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.0549,"has_fulltext":false,"cited_by_count":29,"citation_normalized_percentile":{"value":0.87493354,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","score":1.0,"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":1.0,"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":0.9995999932289124,"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/T10847","display_name":"Advanced Optical Network Technologies","score":0.9979000091552734,"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/backpropagation","display_name":"Backpropagation","score":0.8671690225601196},{"id":"https://openalex.org/keywords/passband","display_name":"Passband","score":0.6682953238487244},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5985869765281677},{"id":"https://openalex.org/keywords/path","display_name":"Path (computing)","score":0.5572985410690308},{"id":"https://openalex.org/keywords/optical-filter","display_name":"Optical filter","score":0.5436235666275024},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.5343177914619446},{"id":"https://openalex.org/keywords/propagation-delay","display_name":"Propagation delay","score":0.4259708523750305},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3175140917301178},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.27734604477882385},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.2742794156074524},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.19738730788230896},{"id":"https://openalex.org/keywords/band-pass-filter","display_name":"Band-pass filter","score":0.17238563299179077},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16214781999588013},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.13364988565444946},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.12691015005111694},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.07541272044181824}],"concepts":[{"id":"https://openalex.org/C155032097","wikidata":"https://www.wikidata.org/wiki/Q798503","display_name":"Backpropagation","level":3,"score":0.8671690225601196},{"id":"https://openalex.org/C46416853","wikidata":"https://www.wikidata.org/wiki/Q254758","display_name":"Passband","level":3,"score":0.6682953238487244},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5985869765281677},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.5572985410690308},{"id":"https://openalex.org/C45613198","wikidata":"https://www.wikidata.org/wiki/Q1134091","display_name":"Optical filter","level":2,"score":0.5436235666275024},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.5343177914619446},{"id":"https://openalex.org/C90806461","wikidata":"https://www.wikidata.org/wiki/Q1144416","display_name":"Propagation delay","level":2,"score":0.4259708523750305},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3175140917301178},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.27734604477882385},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.2742794156074524},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.19738730788230896},{"id":"https://openalex.org/C147788027","wikidata":"https://www.wikidata.org/wiki/Q2718101","display_name":"Band-pass filter","level":2,"score":0.17238563299179077},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16214781999588013},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.13364988565444946},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12691015005111694},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.07541272044181824}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ecoc48923.2020.9333191","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ecoc48923.2020.9333191","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 European Conference on Optical Communications (ECOC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1522301498","https://openalex.org/W1926854729","https://openalex.org/W1984094234","https://openalex.org/W2137814205","https://openalex.org/W2145425707","https://openalex.org/W2593369542","https://openalex.org/W2765936348","https://openalex.org/W2888918761","https://openalex.org/W2901381220","https://openalex.org/W2964121744","https://openalex.org/W2978338708","https://openalex.org/W3009709775","https://openalex.org/W6745700431"],"related_works":["https://openalex.org/W2328419659","https://openalex.org/W4239286941","https://openalex.org/W2547473582","https://openalex.org/W1535322912","https://openalex.org/W2041031710","https://openalex.org/W2798954539","https://openalex.org/W2059368849","https://openalex.org/W2328864241","https://openalex.org/W2105204029","https://openalex.org/W2064696752"],"abstract_inverted_index":{"We":[0],"propose":[1],"an":[2,41],"optical-path":[3],"backpropagation":[4,33],"algorithm":[5],"that":[6],"enables":[7],"monitoring":[8],"the":[9,15,30],"loss":[10],"profile":[11],"along":[12],"fibres":[13],"and":[14,38],"individual":[16],"frequency-detuning":[17],"of":[18,32],"cascaded":[19],"optical":[20,43],"filters":[21,37],"in":[22],"multi-span":[23],"links.":[24],"The":[25],"method":[26],"is":[27],"based":[28],"on":[29],"learning":[31],"with":[34],"complex-valued":[35],"FIR":[36],"successfully":[39],"identifies":[40],"anomaly":[42],"filter.":[44]},"counts_by_year":[{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":8}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
