{"id":"https://openalex.org/W4384785170","doi":"https://doi.org/10.1587/elex.20.20230268","title":"Numerical analysis of negative chirp operation in hybrid modulation semiconductor lasers","display_name":"Numerical analysis of negative chirp operation in hybrid modulation semiconductor lasers","publication_year":2023,"publication_date":"2023-07-18","ids":{"openalex":"https://openalex.org/W4384785170","doi":"https://doi.org/10.1587/elex.20.20230268"},"language":"en","primary_location":{"id":"doi:10.1587/elex.20.20230268","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1587/elex.20.20230268","pdf_url":"https://www.jstage.jst.go.jp/article/elex/advpub/0/advpub_20.20230268/_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/advpub/0/advpub_20.20230268/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5111010923","display_name":"Shoki Asami","orcid":null},"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":"Shoki Asami","raw_affiliation_strings":["Graduate School of Engineering, Tohoku University","Research Institute of Electrical Communication, Tohoku University"],"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering, Tohoku University","institution_ids":["https://openalex.org/I201537933"]},{"raw_affiliation_string":"Research Institute of Electrical Communication, Tohoku University","institution_ids":["https://openalex.org/I201537933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037554696","display_name":"Nobuhide Yokota","orcid":"https://orcid.org/0000-0003-3833-6565"},"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":"Nobuhide Yokota","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/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":false,"raw_author_name":"Wataru Kobayashi","raw_affiliation_strings":["NTT Device Technology Laboratories, NTT Corporation"],"affiliations":[{"raw_affiliation_string":"NTT Device Technology Laboratories, 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"],"affiliations":[{"raw_affiliation_string":"NTT Device Technology Laboratories, NTT Corporation","institution_ids":["https://openalex.org/I2251713219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064707028","display_name":"Hiroshi Yasaka","orcid":"https://orcid.org/0000-0003-2204-3573"},"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":"Hiroshi Yasaka","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"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5111010923"],"corresponding_institution_ids":["https://openalex.org/I201537933"],"apc_list":null,"apc_paid":null,"fwci":0.5673,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.65215733,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"20","issue":"17","first_page":"20230268","last_page":"20230268"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10299","display_name":"Photonic and Optical Devices","score":0.9998999834060669,"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/T10299","display_name":"Photonic and Optical Devices","score":0.9998999834060669,"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/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.9998999834060669,"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":0.9998000264167786,"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/chirp","display_name":"Chirp","score":0.8117615580558777},{"id":"https://openalex.org/keywords/semiconductor-laser-theory","display_name":"Semiconductor laser theory","score":0.6310709118843079},{"id":"https://openalex.org/keywords/gigabit","display_name":"Gigabit","score":0.6264554262161255},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.6168882846832275},{"id":"https://openalex.org/keywords/laser","display_name":"Laser","score":0.5523875951766968},{"id":"https://openalex.org/keywords/dispersion","display_name":"Dispersion (optics)","score":0.543120265007019},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.515600860118866},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.48469141125679016},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4615841507911682},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.3845803141593933},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3448498845100403},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.17953377962112427},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.10224542021751404}],"concepts":[{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.8117615580558777},{"id":"https://openalex.org/C121477167","wikidata":"https://www.wikidata.org/wiki/Q17154002","display_name":"Semiconductor laser theory","level":3,"score":0.6310709118843079},{"id":"https://openalex.org/C21922175","wikidata":"https://www.wikidata.org/wiki/Q3105497","display_name":"Gigabit","level":2,"score":0.6264554262161255},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.6168882846832275},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.5523875951766968},{"id":"https://openalex.org/C177562468","wikidata":"https://www.wikidata.org/wiki/Q182893","display_name":"Dispersion (optics)","level":2,"score":0.543120265007019},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.515600860118866},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.48469141125679016},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4615841507911682},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.3845803141593933},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3448498845100403},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.17953377962112427},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.10224542021751404},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1587/elex.20.20230268","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1587/elex.20.20230268","pdf_url":"https://www.jstage.jst.go.jp/article/elex/advpub/0/advpub_20.20230268/_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.20.20230268","is_oa":true,"landing_page_url":"http://dx.doi.org/10.1587/elex.20.20230268","pdf_url":"https://www.jstage.jst.go.jp/article/elex/advpub/0/advpub_20.20230268/_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":[{"display_name":"Affordable and clean energy","score":0.550000011920929,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4384785170.pdf","grobid_xml":"https://content.openalex.org/works/W4384785170.grobid-xml"},"referenced_works_count":35,"referenced_works":["https://openalex.org/W585770255","https://openalex.org/W1972239521","https://openalex.org/W1982122413","https://openalex.org/W1985377838","https://openalex.org/W2002886081","https://openalex.org/W2020034899","https://openalex.org/W2058923967","https://openalex.org/W2074964604","https://openalex.org/W2075046953","https://openalex.org/W2098280741","https://openalex.org/W2099943150","https://openalex.org/W2100078071","https://openalex.org/W2116678374","https://openalex.org/W2119059677","https://openalex.org/W2132350358","https://openalex.org/W2138241114","https://openalex.org/W2139946084","https://openalex.org/W2143779109","https://openalex.org/W2147046932","https://openalex.org/W2153372091","https://openalex.org/W2171951645","https://openalex.org/W2490232735","https://openalex.org/W2515822795","https://openalex.org/W2546302189","https://openalex.org/W2744992697","https://openalex.org/W2810806709","https://openalex.org/W2912224453","https://openalex.org/W3011148978","https://openalex.org/W3025954289","https://openalex.org/W3036248047","https://openalex.org/W4211119654","https://openalex.org/W4285225878","https://openalex.org/W4298406910","https://openalex.org/W4302435359","https://openalex.org/W4317795282"],"related_works":["https://openalex.org/W2377235482","https://openalex.org/W2351454232","https://openalex.org/W2382227980","https://openalex.org/W2065883652","https://openalex.org/W2263410481","https://openalex.org/W2153072677","https://openalex.org/W2367409245","https://openalex.org/W2146806561","https://openalex.org/W1966274213","https://openalex.org/W2909301023"],"abstract_inverted_index":{"The":[0],"negative":[1],"chirp":[2],"operation":[3,15],"of":[4,28],"a":[5,61],"hybrid":[6],"modulation":[7,47,56],"laser":[8],"diode":[9],"(HMLD)":[10],"was":[11],"numerically":[12],"analyzed":[13],"during":[14],"with":[16],"25-Gbit/s":[17,30],"non-return-to-zero":[18],"(NRZ)":[19],"dynamic":[20],"signals.":[21],"We":[22],"confirmed":[23],"that":[24],"the":[25,29,35,46,51],"dispersion":[26],"tolerance":[27],"optical":[31],"signal":[32],"generated":[33],"from":[34],"HMLD":[36],"could":[37],"be":[38],"increased":[39],"dramatically":[40],"by":[41],"introducing":[42],"time":[43],"delay":[44],"to":[45,50],"signals":[48],"applied":[49],"gain":[52],"and":[53],"intra-cavity":[54],"loss":[55],"sections.":[57],"These":[58],"results":[59],"suggest":[60],"unique":[62],"approach":[63],"for":[64],"dispersion-tolerant":[65],"directly":[66],"modulated":[67],"semiconductor":[68],"lasers.":[69]},"counts_by_year":[{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1}],"updated_date":"2025-12-24T23:09:58.560324","created_date":"2025-10-10T00:00:00"}