{"id":"https://openalex.org/W2017777121","doi":"https://doi.org/10.1364/oaa.1992.fa3","title":"Polarization-insensitive Travelling-wave Semiconductor Optical Amplifier With A Square-shaped Active Waveguide","display_name":"Polarization-insensitive Travelling-wave Semiconductor Optical Amplifier With A Square-shaped Active Waveguide","publication_year":1992,"publication_date":"1992-01-01","ids":{"openalex":"https://openalex.org/W2017777121","doi":"https://doi.org/10.1364/oaa.1992.fa3","mag":"2017777121"},"language":"en","primary_location":{"id":"doi:10.1364/oaa.1992.fa3","doi":"https://doi.org/10.1364/oaa.1992.fa3","is_oa":false,"landing_page_url":"https://doi.org/10.1364/oaa.1992.fa3","pdf_url":null,"source":{"id":"https://openalex.org/S4363604518","display_name":"Optical Amplifiers and Their Applications","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optical Amplifiers and Their Applications","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"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/A5043228389","display_name":"Chang\u2010Qing Xu","orcid":"https://orcid.org/0000-0001-8100-4748","observed_orcids":["https://orcid.org/0000-0001-8100-4748"]},"institutions":[{"id":"https://openalex.org/I28777237","display_name":"Oki Electric Industry (Japan)","ror":"https://ror.org/0503rt987","country_code":"JP","type":"company","lineage":["https://openalex.org/I28777237"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"C.Q. Xu","raw_affiliation_strings":["R&D Group, Oki Electric Industry Co., Ltd., Higashiasakawa, Hachioji Tokyo 193, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"R&D Group, Oki Electric Industry Co., Ltd., Higashiasakawa, Hachioji Tokyo 193, Japan","institution_ids":["https://openalex.org/I28777237"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046121603","display_name":"Koji Yamada","orcid":"https://orcid.org/0000-0002-8355-7060","observed_orcids":["https://orcid.org/0000-0002-8355-7060"]},"institutions":[{"id":"https://openalex.org/I28777237","display_name":"Oki Electric Industry (Japan)","ror":"https://ror.org/0503rt987","country_code":"JP","type":"company","lineage":["https://openalex.org/I28777237"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"K. Yamada","raw_affiliation_strings":["R&D Group, Oki Electric Industry Co., Ltd., Higashiasakawa, Hachioji Tokyo 193, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"R&D Group, Oki Electric Industry Co., Ltd., Higashiasakawa, Hachioji Tokyo 193, Japan","institution_ids":["https://openalex.org/I28777237"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035419803","display_name":"Yukio Katoh","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I28777237","display_name":"Oki Electric Industry (Japan)","ror":"https://ror.org/0503rt987","country_code":"JP","type":"company","lineage":["https://openalex.org/I28777237"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Y. Katoh","raw_affiliation_strings":["R&D Group, Oki Electric Industry Co., Ltd., Higashiasakawa, Hachioji Tokyo 193, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"R&D Group, Oki Electric Industry Co., Ltd., Higashiasakawa, Hachioji Tokyo 193, Japan","institution_ids":["https://openalex.org/I28777237"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110518238","display_name":"T. Kamijoh","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I28777237","display_name":"Oki Electric Industry (Japan)","ror":"https://ror.org/0503rt987","country_code":"JP","type":"company","lineage":["https://openalex.org/I28777237"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"T. Kamijoh","raw_affiliation_strings":["R&D Group, Oki Electric Industry Co., Ltd., Higashiasakawa, Hachioji Tokyo 193, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"R&D Group, Oki Electric Industry Co., Ltd., Higashiasakawa, Hachioji Tokyo 193, Japan","institution_ids":["https://openalex.org/I28777237"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109981069","display_name":"M. Kawahara","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I28777237","display_name":"Oki Electric Industry (Japan)","ror":"https://ror.org/0503rt987","country_code":"JP","type":"company","lineage":["https://openalex.org/I28777237"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"M. Kawahara","raw_affiliation_strings":["R&D Group, Oki Electric Industry Co., Ltd., Higashiasakawa, Hachioji Tokyo 193, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"R&D Group, Oki Electric Industry Co., Ltd., Higashiasakawa, Hachioji Tokyo 193, Japan","institution_ids":["https://openalex.org/I28777237"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I28777237"],"apc_list":null,"apc_paid":null,"fwci":1.4305,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.73041203,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"FA3","last_page":"FA3"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.8970000147819519,"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":0.8970000147819519,"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":0.08669999986886978,"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/T11050","display_name":"Photorefractive and Nonlinear Optics","score":0.004900000058114529,"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/semiconductor-optical-amplifier","display_name":"semiconductor optical amplifier","score":0.8980000019073486},{"id":"https://openalex.org/keywords/distributed-amplifier","display_name":"distributed amplifier","score":0.8740000128746033},{"id":"https://openalex.org/keywords/polarization-insensitivity","display_name":"polarization insensitivity","score":0.8420000076293945},{"id":"https://openalex.org/keywords/1-3-mum","display_name":"1.3 \u03bcm wavelength","score":0.9179999828338623},{"id":"https://openalex.org/keywords/high-gain","display_name":"high gain","score":0.4620000123977661}],"concepts":[{"id":"https://openalex.org/C101649071","wikidata":"https://www.wikidata.org/wiki/Q1359305","display_name":"Optical amplifier","level":3,"score":0.7035400867462158},{"id":"https://openalex.org/C205049153","wikidata":"https://www.wikidata.org/wiki/Q2698605","display_name":"Polarization (electrochemistry)","level":2,"score":0.6770443916320801},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.6305769681930542},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.578656792640686},{"id":"https://openalex.org/C200687136","wikidata":"https://www.wikidata.org/wiki/Q11233438","display_name":"Waveguide","level":2,"score":0.5330295562744141},{"id":"https://openalex.org/C108225325","wikidata":"https://www.wikidata.org/wiki/Q11456","display_name":"Semiconductor","level":2,"score":0.5156341791152954},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.47555845975875854},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.4695620834827423},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4311378598213196},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.06438145041465759},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.0},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1364/oaa.1992.fa3","doi":"https://doi.org/10.1364/oaa.1992.fa3","is_oa":false,"landing_page_url":"https://doi.org/10.1364/oaa.1992.fa3","pdf_url":null,"source":{"id":"https://openalex.org/S4363604518","display_name":"Optical Amplifiers and Their Applications","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optical Amplifiers and Their Applications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W2054781564","https://openalex.org/W2072978284","https://openalex.org/W4230882929"],"related_works":["https://openalex.org/W4321272937","https://openalex.org/W4321273017","https://openalex.org/W4321272926","https://openalex.org/W2138826047","https://openalex.org/W2089897723","https://openalex.org/W6993066094","https://openalex.org/W2116468613","https://openalex.org/W2019977972","https://openalex.org/W2064857730","https://openalex.org/W2300185043"],"abstract_inverted_index":{"1.3":[0],"\u00b5m":[1],"band":[2],"polarization-insensitive":[3],"travelling-wave":[4],"semiconductor":[5],"optical":[6],"amplifiers":[7],"with":[8],"a":[9,19],"maximum":[10],"gain":[11,24],"of":[12,31],"28":[13],"dB":[14,35],"are":[15],"presented.":[16],"By":[17],"employing":[18],"squareshaped":[20],"active":[21],"waveguide,":[22],"the":[23],"difference":[25],"between":[26],"TE":[27],"and":[28],"TM":[29],"wave":[30],"less":[32],"than":[33],"1":[34],"is":[36],"obtained.":[37]},"counts_by_year":[],"updated_date":"2026-10-01T08:54:57.152042","created_date":"2016-06-24T00:00:00"}