{"id":"https://openalex.org/W2254798465","doi":"https://doi.org/10.1587/elex.12.20150884","title":"First demonstration of digital coherent transmission in a deployed ROADM network with a 120 Gbit/s polarization-multiplexed 64 QAM signal","display_name":"First demonstration of digital coherent transmission in a deployed ROADM network with a 120 Gbit/s polarization-multiplexed 64 QAM signal","publication_year":2015,"publication_date":"2015-01-01","ids":{"openalex":"https://openalex.org/W2254798465","doi":"https://doi.org/10.1587/elex.12.20150884","mag":"2254798465"},"language":"en","primary_location":{"id":"doi:10.1587/elex.12.20150884","is_oa":true,"landing_page_url":"https://doi.org/10.1587/elex.12.20150884","pdf_url":"https://www.jstage.jst.go.jp/article/elex/12/23/12_12.20150884/_pdf","source":{"id":"https://openalex.org/S207433681","display_name":"IEICE Electronics Express","issn_l":"1349-2543","issn":["1349-2543","1349-9467"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Electronics Express","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.jstage.jst.go.jp/article/elex/12/23/12_12.20150884/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5006690054","display_name":"Toshihiko Hirooka","orcid":"https://orcid.org/0000-0002-7446-7119"},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Toshihiko Hirooka","raw_affiliation_strings":["Research Institute of Electrical Communication, Tohoku University"],"affiliations":[{"raw_affiliation_string":"Research Institute of Electrical Communication, Tohoku University","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036687786","display_name":"Keisuke Kasai","orcid":"https://orcid.org/0000-0002-0261-2006"},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Keisuke Kasai","raw_affiliation_strings":["Research Institute of Electrical Communication, Tohoku University"],"affiliations":[{"raw_affiliation_string":"Research Institute of Electrical Communication, Tohoku University","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100328550","display_name":"Yixin Wang","orcid":"https://orcid.org/0009-0004-0875-2538"},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yixin Wang","raw_affiliation_strings":["Research Institute of Electrical Communication, Tohoku University"],"affiliations":[{"raw_affiliation_string":"Research Institute of Electrical Communication, Tohoku University","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030709830","display_name":"Masataka Nakazawa","orcid":"https://orcid.org/0000-0001-6323-1445"},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masataka Nakazawa","raw_affiliation_strings":["Research Institute of Electrical Communication, Tohoku University"],"affiliations":[{"raw_affiliation_string":"Research Institute of Electrical Communication, Tohoku University","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018453061","display_name":"Masaki Shiraiwa","orcid":"https://orcid.org/0000-0001-6166-6971"},"institutions":[{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masaki Shiraiwa","raw_affiliation_strings":["National Institute of Information and Communications Technology (NICT)"],"affiliations":[{"raw_affiliation_string":"National Institute of Information and Communications Technology (NICT)","institution_ids":["https://openalex.org/I90023481"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028664106","display_name":"Yoshinari Awaji","orcid":null},"institutions":[{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshinari Awaji","raw_affiliation_strings":["National Institute of Information and Communications Technology (NICT)"],"affiliations":[{"raw_affiliation_string":"National Institute of Information and Communications Technology (NICT)","institution_ids":["https://openalex.org/I90023481"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054467709","display_name":"Naoya Wada","orcid":"https://orcid.org/0000-0002-8519-7599"},"institutions":[{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Naoya Wada","raw_affiliation_strings":["National Institute of Information and Communications Technology (NICT)"],"affiliations":[{"raw_affiliation_string":"National Institute of Information and Communications Technology (NICT)","institution_ids":["https://openalex.org/I90023481"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5006690054"],"corresponding_institution_ids":["https://openalex.org/I201537933"],"apc_list":null,"apc_paid":null,"fwci":0.1973,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.60365405,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"12","issue":"23","first_page":"20150884","last_page":"20150884"},"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":0.9994000196456909,"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/gigabit","display_name":"Gigabit","score":0.6698983907699585},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.6035435199737549},{"id":"https://openalex.org/keywords/polarization-division-multiplexing","display_name":"Polarization-division multiplexing","score":0.5690745115280151},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.539364218711853},{"id":"https://openalex.org/keywords/multiplexer","display_name":"Multiplexer","score":0.5151618719100952},{"id":"https://openalex.org/keywords/qam","display_name":"QAM","score":0.46815040707588196},{"id":"https://openalex.org/keywords/quadrature-amplitude-modulation","display_name":"Quadrature amplitude modulation","score":0.46459531784057617},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4415547251701355},{"id":"https://openalex.org/keywords/wavelength-division-multiplexing","display_name":"Wavelength-division multiplexing","score":0.42100638151168823},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4197959303855896},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3995235562324524},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3483056426048279},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.31016096472740173},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.3063606321811676},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2626497149467468},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23796814680099487},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.19382092356681824},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.1494581401348114}],"concepts":[{"id":"https://openalex.org/C21922175","wikidata":"https://www.wikidata.org/wiki/Q3105497","display_name":"Gigabit","level":2,"score":0.6698983907699585},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.6035435199737549},{"id":"https://openalex.org/C2780894989","wikidata":"https://www.wikidata.org/wiki/Q7209150","display_name":"Polarization-division multiplexing","level":4,"score":0.5690745115280151},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.539364218711853},{"id":"https://openalex.org/C70970002","wikidata":"https://www.wikidata.org/wiki/Q189434","display_name":"Multiplexer","level":3,"score":0.5151618719100952},{"id":"https://openalex.org/C59030546","wikidata":"https://www.wikidata.org/wiki/Q7265371","display_name":"QAM","level":5,"score":0.46815040707588196},{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.46459531784057617},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4415547251701355},{"id":"https://openalex.org/C160724564","wikidata":"https://www.wikidata.org/wiki/Q1620670","display_name":"Wavelength-division multiplexing","level":3,"score":0.42100638151168823},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4197959303855896},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3995235562324524},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3483056426048279},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.31016096472740173},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.3063606321811676},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2626497149467468},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23796814680099487},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.19382092356681824},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.1494581401348114},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1587/elex.12.20150884","is_oa":true,"landing_page_url":"https://doi.org/10.1587/elex.12.20150884","pdf_url":"https://www.jstage.jst.go.jp/article/elex/12/23/12_12.20150884/_pdf","source":{"id":"https://openalex.org/S207433681","display_name":"IEICE Electronics Express","issn_l":"1349-2543","issn":["1349-2543","1349-9467"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Electronics Express","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1587/elex.12.20150884","is_oa":true,"landing_page_url":"https://doi.org/10.1587/elex.12.20150884","pdf_url":"https://www.jstage.jst.go.jp/article/elex/12/23/12_12.20150884/_pdf","source":{"id":"https://openalex.org/S207433681","display_name":"IEICE Electronics Express","issn_l":"1349-2543","issn":["1349-2543","1349-9467"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Electronics Express","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2254798465.pdf","grobid_xml":"https://content.openalex.org/works/W2254798465.grobid-xml"},"referenced_works_count":9,"referenced_works":["https://openalex.org/W105286987","https://openalex.org/W1511605306","https://openalex.org/W1974934320","https://openalex.org/W1988261556","https://openalex.org/W2063770243","https://openalex.org/W2070396998","https://openalex.org/W2082906601","https://openalex.org/W2083471915","https://openalex.org/W2150164197"],"related_works":["https://openalex.org/W4390873927","https://openalex.org/W2147334234","https://openalex.org/W2159438609","https://openalex.org/W2900995485","https://openalex.org/W2064534496","https://openalex.org/W3196902411","https://openalex.org/W2139936226","https://openalex.org/W1970526599","https://openalex.org/W3026565890","https://openalex.org/W2161389097"],"abstract_inverted_index":{"We":[0],"demonstrate":[1],"the":[2,29,36,62,69],"add/drop":[3],"operation":[4],"and":[5,42,78],"transmission":[6],"of":[7,64],"120":[8,82],"Gbit/s":[9,56,76,83],"(10":[10],"Gsymbol/s)":[11],"polarization-multiplexed":[12],"(PDM)":[13],"64":[14],"QAM":[15,37],"digital":[16,65],"coherent":[17,66],"signals":[18],"in":[19],"a":[20,45],"deployed":[21,70],"ROADM":[22,30,71],"network.":[23],"By":[24],"equalizing":[25],"waveform":[26],"distortions":[27],"at":[28],"node":[31],"with":[32,51],"an":[33],"FIR":[34],"filter,":[35],"signal":[38],"was":[39],"successfully":[40],"add/drop-multiplexed,":[41],"transmitted":[43],"over":[44],"50":[46],"km":[47],"ring":[48],"network":[49,72],"testbed":[50],"neighboring":[52],"9":[53],"\u00d7":[54],"10":[55,75],"OOK":[57],"WDM":[58],"data.":[59],"This":[60],"indicates":[61],"applicability":[63],"systems":[67],"to":[68,81],"based":[73],"on":[74],"OOK,":[77],"its":[79],"upgradability":[80],"PDM-64":[84],"QAM.":[85]},"counts_by_year":[{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
