{"id":"https://openalex.org/W2016517844","doi":"https://doi.org/10.1143/jjap.20.l283","title":"InGaAsP-InP Heterojunction Phototransistors and Light Amplifiers","display_name":"InGaAsP-InP Heterojunction Phototransistors and Light Amplifiers","publication_year":1981,"publication_date":"1981-04-01","ids":{"openalex":"https://openalex.org/W2016517844","doi":"https://doi.org/10.1143/jjap.20.l283","mag":"2016517844"},"language":"en","primary_location":{"id":"doi:10.1143/jjap.20.l283","doi":"https://doi.org/10.1143/jjap.20.l283","is_oa":false,"landing_page_url":"https://doi.org/10.1143/jjap.20.l283","pdf_url":null,"source":{"id":"https://openalex.org/S143744711","display_name":"Japanese Journal of Applied Physics","issn_l":"0021-4922","issn":["0021-4922","1347-4065"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310311669","host_organization_name":"Institute of Physics","host_organization_lineage":["https://openalex.org/P4310311669"],"host_organization_lineage_names":["Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Japanese Journal of Applied Physics","raw_type":"journal-article"},"volume":null,"type":"article","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/A5110166201","display_name":"Akio Sasaki","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Akio Sasaki","raw_affiliation_strings":["Department of Electrical Engineering, Kyoto University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Kyoto University","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083241868","display_name":"Masaaki Kuzuhara","orcid":"https://orcid.org/0000-0001-5171-5565","observed_orcids":["https://orcid.org/0000-0001-5171-5565"]},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masaaki Kuzuhara","raw_affiliation_strings":["Department of Electrical Engineering, Kyoto University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Kyoto University","institution_ids":["https://openalex.org/I22299242"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I22299242"],"apc_list":{"value":2210,"currency":"USD","value_usd":2210},"apc_paid":null,"fwci":5.0441,"has_fulltext":false,"cited_by_count":62,"citation_normalized_percentile":{"value":0.95082563,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":87,"max":93},"biblio":{"volume":"20","issue":"4","first_page":"L283","last_page":"L283"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.951200008392334,"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":0.951200008392334,"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":0.026000000536441803,"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/T11637","display_name":"Advanced Semiconductor Detectors and Materials","score":0.006899999920278788,"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/heterojunction-phototransistor","display_name":"heterojunction phototransistor","score":0.8980000019073486},{"id":"https://openalex.org/keywords/optical-gain","display_name":"optical gain","score":0.6129999756813049},{"id":"https://openalex.org/keywords/double-heterojunction-lasers","display_name":"double heterojunction lasers","score":0.9120000004768372},{"id":"https://openalex.org/keywords/1-1-mum-wavelength","display_name":"1.1 \u03bcm wavelength","score":0.8830000162124634}],"concepts":[{"id":"https://openalex.org/C79794668","wikidata":"https://www.wikidata.org/wiki/Q1616270","display_name":"Heterojunction","level":2,"score":0.8100466728210449},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.8026630878448486},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6955975294113159},{"id":"https://openalex.org/C751236","wikidata":"https://www.wikidata.org/wiki/Q175943","display_name":"Photodiode","level":2,"score":0.6353596448898315},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.5730252265930176},{"id":"https://openalex.org/C78434282","wikidata":"https://www.wikidata.org/wiki/Q11656","display_name":"Diode","level":2,"score":0.5413065552711487},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.5249847769737244},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.5215499401092529},{"id":"https://openalex.org/C101649071","wikidata":"https://www.wikidata.org/wiki/Q1359305","display_name":"Optical amplifier","level":3,"score":0.4644351899623871},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.44210296869277954},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12217500805854797},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1143/jjap.20.l283","doi":"https://doi.org/10.1143/jjap.20.l283","is_oa":false,"landing_page_url":"https://doi.org/10.1143/jjap.20.l283","pdf_url":null,"source":{"id":"https://openalex.org/S143744711","display_name":"Japanese Journal of Applied Physics","issn_l":"0021-4922","issn":["0021-4922","1347-4065"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310311669","host_organization_name":"Institute of Physics","host_organization_lineage":["https://openalex.org/P4310311669"],"host_organization_lineage_names":["Institute of Physics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Japanese Journal of Applied Physics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1969786712","https://openalex.org/W1971266441","https://openalex.org/W2041966463","https://openalex.org/W2054179824","https://openalex.org/W2055021516","https://openalex.org/W2068195986"],"related_works":["https://openalex.org/W1971266441","https://openalex.org/W2087862570","https://openalex.org/W1974385521","https://openalex.org/W2087075329","https://openalex.org/W2024337394","https://openalex.org/W2094756173","https://openalex.org/W2030149961","https://openalex.org/W2127287217","https://openalex.org/W2142324323","https://openalex.org/W2024126345"],"abstract_inverted_index":{"A":[0],"very":[1],"high":[2],"optical":[3,42],"gain":[4],"(\u223c900)":[5],"was":[6],"obtained":[7],"near":[8],"the":[9,13,48],"1.1-\u00b5m":[10],"wavelength":[11],"by":[12],"InGaAsP-InP":[14],"heterojunction":[15,27],"phototransitor.":[16],"The":[17,41],"light":[18],"amplifier,":[19],"which":[20],"is":[21,39,45],"an":[22],"integral":[23],"device":[24],"of":[25,50],"a":[26,30,51],"phototransistor":[28],"and":[29],"double-heterojunction":[31],"laser":[32],"(or":[33],"light-emitting":[34],"diode":[35],"with":[36],"confining":[37],"layers),":[38],"presented.":[40],"bias":[43],"method":[44],"described":[46],"for":[47],"amplification":[49],"weak":[52],"incident":[53],"light.":[54]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}