{"id":"https://openalex.org/W4379352903","doi":"https://doi.org/10.1587/transele.2022oci0002","title":"128 Gbit/s Operation of AXEL with Energy Efficiency of 1.5 pJ/bit for Optical Interconnection","display_name":"128 Gbit/s Operation of AXEL with Energy Efficiency of 1.5 pJ/bit for Optical Interconnection","publication_year":2023,"publication_date":"2023-06-04","ids":{"openalex":"https://openalex.org/W4379352903","doi":"https://doi.org/10.1587/transele.2022oci0002"},"language":"en","primary_location":{"id":"doi:10.1587/transele.2022oci0002","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transele.2022oci0002","pdf_url":"https://www.jstage.jst.go.jp/article/transele/E106.C/11/E106.C_2022OCI0002/_pdf","source":{"id":"https://openalex.org/S2489501747","display_name":"IEICE Transactions on Electronics","issn_l":"0916-8524","issn":["0916-8524","1745-1353"],"is_oa":false,"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 Transactions on Electronics","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.jstage.jst.go.jp/article/transele/E106.C/11/E106.C_2022OCI0002/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5069039507","display_name":"Wataru Kobayashi","orcid":"https://orcid.org/0009-0005-3993-1739"},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Wataru KOBAYASHI","raw_affiliation_strings":["NTT Device Technology Laboratories, NTT Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Device Technology Laboratories, NTT Corporation","institution_ids":["https://openalex.org/I2251713219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022205967","display_name":"Shigeru Kanazawa","orcid":"https://orcid.org/0000-0001-7606-6215"},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shigeru KANAZAWA","raw_affiliation_strings":["NTT Device Innovation Center, NTT Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Device Innovation Center, NTT Corporation","institution_ids":["https://openalex.org/I2251713219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088127948","display_name":"Takahiko Shindo","orcid":"https://orcid.org/0000-0002-7057-1920"},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takahiko SHINDO","raw_affiliation_strings":["NTT Device Technology Laboratories, NTT Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Device Technology Laboratories, NTT Corporation","institution_ids":["https://openalex.org/I2251713219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072220591","display_name":"Manabu Mitsuhara","orcid":"https://orcid.org/0000-0002-1700-7829"},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Manabu MITSUHARA","raw_affiliation_strings":["NTT Device Technology Laboratories, NTT Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Device Technology Laboratories, NTT Corporation","institution_ids":["https://openalex.org/I2251713219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057642101","display_name":"Fumito Nakajima","orcid":"https://orcid.org/0009-0003-1779-664X"},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Fumito NAKAJIMA","raw_affiliation_strings":["NTT Device Technology Laboratories, NTT Corporation"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NTT Device Technology Laboratories, NTT Corporation","institution_ids":["https://openalex.org/I2251713219"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5069039507"],"corresponding_institution_ids":["https://openalex.org/I2251713219"],"apc_list":null,"apc_paid":null,"fwci":0.2537,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.51718293,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":"E106.C","issue":"11","first_page":"732","last_page":"738"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.9997000098228455,"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/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.9997000098228455,"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/T10299","display_name":"Photonic and Optical Devices","score":0.9980999827384949,"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/T10022","display_name":"Semiconductor Quantum Structures and Devices","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.5993674397468567},{"id":"https://openalex.org/keywords/gigabit","display_name":"Gigabit","score":0.5493816137313843},{"id":"https://openalex.org/keywords/optical-amplifier","display_name":"Optical amplifier","score":0.5321760773658752},{"id":"https://openalex.org/keywords/laser","display_name":"Laser","score":0.5294187664985657},{"id":"https://openalex.org/keywords/optical-interconnect","display_name":"Optical interconnect","score":0.5165945291519165},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.5030669569969177},{"id":"https://openalex.org/keywords/interconnection","display_name":"Interconnection","score":0.48802652955055237},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.4770852029323578},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.47362038493156433},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.46066537499427795},{"id":"https://openalex.org/keywords/vertical-cavity-surface-emitting-laser","display_name":"Vertical-cavity surface-emitting laser","score":0.4201931655406952},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3302172124385834},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.32760757207870483},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.24818989634513855},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2321183681488037},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16778212785720825},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.08579182624816895}],"concepts":[{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.5993674397468567},{"id":"https://openalex.org/C21922175","wikidata":"https://www.wikidata.org/wiki/Q3105497","display_name":"Gigabit","level":2,"score":0.5493816137313843},{"id":"https://openalex.org/C101649071","wikidata":"https://www.wikidata.org/wiki/Q1359305","display_name":"Optical amplifier","level":3,"score":0.5321760773658752},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.5294187664985657},{"id":"https://openalex.org/C2777759342","wikidata":"https://www.wikidata.org/wiki/Q7098860","display_name":"Optical interconnect","level":3,"score":0.5165945291519165},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5030669569969177},{"id":"https://openalex.org/C123745756","wikidata":"https://www.wikidata.org/wiki/Q1665949","display_name":"Interconnection","level":2,"score":0.48802652955055237},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.4770852029323578},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.47362038493156433},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.46066537499427795},{"id":"https://openalex.org/C106246969","wikidata":"https://www.wikidata.org/wiki/Q2009618","display_name":"Vertical-cavity surface-emitting laser","level":3,"score":0.4201931655406952},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3302172124385834},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.32760757207870483},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.24818989634513855},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2321183681488037},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16778212785720825},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.08579182624816895}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1587/transele.2022oci0002","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transele.2022oci0002","pdf_url":"https://www.jstage.jst.go.jp/article/transele/E106.C/11/E106.C_2022OCI0002/_pdf","source":{"id":"https://openalex.org/S2489501747","display_name":"IEICE Transactions on Electronics","issn_l":"0916-8524","issn":["0916-8524","1745-1353"],"is_oa":false,"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 Transactions on Electronics","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1587/transele.2022oci0002","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transele.2022oci0002","pdf_url":"https://www.jstage.jst.go.jp/article/transele/E106.C/11/E106.C_2022OCI0002/_pdf","source":{"id":"https://openalex.org/S2489501747","display_name":"IEICE Transactions on Electronics","issn_l":"0916-8524","issn":["0916-8524","1745-1353"],"is_oa":false,"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 Transactions on Electronics","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.9100000262260437,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320335153","display_name":"Research Institute of Electrical Communication, Tohoku University","ror":"https://ror.org/01dq60k83"}],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4379352903.pdf"},"referenced_works_count":14,"referenced_works":["https://openalex.org/W1017838019","https://openalex.org/W1963839135","https://openalex.org/W1968580371","https://openalex.org/W2045268748","https://openalex.org/W2059668678","https://openalex.org/W2131667827","https://openalex.org/W2548109759","https://openalex.org/W2559581424","https://openalex.org/W2602393051","https://openalex.org/W2744992697","https://openalex.org/W2758458089","https://openalex.org/W2891113010","https://openalex.org/W3009944882","https://openalex.org/W4301238681"],"related_works":["https://openalex.org/W2035582719","https://openalex.org/W2245029068","https://openalex.org/W2560224803","https://openalex.org/W2057228333","https://openalex.org/W2989900336","https://openalex.org/W2113004054","https://openalex.org/W2017012266","https://openalex.org/W2008275853","https://openalex.org/W1989581220","https://openalex.org/W654105023"],"abstract_inverted_index":{"We":[0],"evaluated":[1],"the":[2,34,40,45,83,103],"energy":[3,41],"efficiency":[4,42],"per":[5],"1-bit":[6],"transmission":[7],"of":[8,63,110],"an":[9,79],"optical":[10,18,22,35],"light":[11,36],"source":[12,37],"on":[13],"InP":[14],"substrate":[15],"to":[16,38,44,92],"achieve":[17,93],"interconnection.":[19],"A":[20],"semiconductor":[21],"amplifier":[23],"(SOA)":[24],"assisted":[25],"extended":[26],"reach":[27],"EADFB":[28],"laser":[29,53,76],"(AXEL)":[30],"was":[31],"utilized":[32],"as":[33],"enhance":[39],"compared":[43],"conventional":[46],"electro-absorption":[47],"modulator":[48],"integrated":[49],"with":[50,102],"a":[51,71],"DFB":[52],"(EML).":[54],"The":[55],"AXEL":[56,84],"has":[57],"frequency":[58],"bandwidth":[59],"extendibility":[60],"for":[61,85],"operation":[62,99],"over":[64],"100Gbit/s,":[65],"which":[66],"is":[67],"difficult":[68],"when":[69],"using":[70],"vertical":[72],"cavity":[73],"surface":[74],"emitting":[75],"(VCSEL)":[77],"without":[78],"equalizer.":[80],"By":[81],"designing":[82],"low":[86],"power":[87],"consumption,":[88],"we":[89],"were":[90],"able":[91],"64-Gbit/s,":[94],"1.0pJ/bit":[95],"and":[96,106],"128-Gbit/s,":[97],"1.5pJ/bit":[98],"at":[100],"50\u00b0C":[101],"transmitter":[104],"dispersion":[105],"eye":[107],"closure":[108],"quaternary":[109],"1.1dB.":[111]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2026-05-05T08:41:31.759640","created_date":"2025-10-10T00:00:00"}
