{"id":"https://openalex.org/W2013208574","doi":"https://doi.org/10.1117/12.947385","title":"Low Thermal Expansion Polyimide Buried Ridge-Waveguide AlGaAs Laser Diode","display_name":"Low Thermal Expansion Polyimide Buried Ridge-Waveguide AlGaAs Laser Diode","publication_year":1988,"publication_date":"1988-08-16","ids":{"openalex":"https://openalex.org/W2013208574","doi":"https://doi.org/10.1117/12.947385","mag":"2013208574"},"language":"en","primary_location":{"id":"doi:10.1117/12.947385","doi":"https://doi.org/10.1117/12.947385","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.947385","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","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":null,"display_name":"Fumihiko Sato","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I146230289","display_name":"Omron (Japan)","ror":"https://ror.org/00q0w1h45","country_code":"JP","type":"company","lineage":["https://openalex.org/I146230289"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Fumihiko Sato","raw_affiliation_strings":["OMRON Tateisi Electronics Co. (Japan)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"OMRON Tateisi Electronics Co. (Japan)","institution_ids":["https://openalex.org/I146230289"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108803797","display_name":"Hiroshi Imamoto","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I146230289","display_name":"Omron (Japan)","ror":"https://ror.org/00q0w1h45","country_code":"JP","type":"company","lineage":["https://openalex.org/I146230289"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi Imamoto","raw_affiliation_strings":["OMRON Tateisi Electronics Co. (Japan)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"OMRON Tateisi Electronics Co. (Japan)","institution_ids":["https://openalex.org/I146230289"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111500127","display_name":"Koichi Imanaka","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I146230289","display_name":"Omron (Japan)","ror":"https://ror.org/00q0w1h45","country_code":"JP","type":"company","lineage":["https://openalex.org/I146230289"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Koichi Imanaka","raw_affiliation_strings":["OMRON Tateisi Electronics Co. (Japan)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"OMRON Tateisi Electronics Co. (Japan)","institution_ids":["https://openalex.org/I146230289"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112074410","display_name":"Mikihiko Shimura","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I146230289","display_name":"Omron (Japan)","ror":"https://ror.org/00q0w1h45","country_code":"JP","type":"company","lineage":["https://openalex.org/I146230289"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Mikihiko Shimura","raw_affiliation_strings":["OMRON Tateisi Electronics Co. (Japan)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"OMRON Tateisi Electronics Co. (Japan)","institution_ids":["https://openalex.org/I146230289"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I146230289"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.16934307,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"0945","issue":null,"first_page":"18","last_page":"18"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.9911999702453613,"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":0.9911999702453613,"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":0.004000000189989805,"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":0.002300000051036477,"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/algaas-laser-diodes","display_name":"AlGaAs laser diodes","score":0.921999990940094},{"id":"https://openalex.org/keywords/wafer-processing","display_name":"wafer processing","score":0.6359999775886536},{"id":"https://openalex.org/keywords/ridge-waveguide-lasers","display_name":"ridge waveguide lasers","score":0.7039999961853027},{"id":"https://openalex.org/keywords/threshold-current","display_name":"threshold current","score":0.48100000619888306},{"id":"https://openalex.org/keywords/multiple-quantum-well-lasers","display_name":"multiple quantum well lasers","score":0.6690000295639038},{"id":"https://openalex.org/keywords/single-quantum-well-lasers","display_name":"single quantum well lasers","score":0.8939999938011169},{"id":"https://openalex.org/keywords/optoelectronic-integration","display_name":"optoelectronic integration","score":0.906000018119812}],"concepts":[{"id":"https://openalex.org/C2780965675","wikidata":"https://www.wikidata.org/wiki/Q145958","display_name":"Polyimide","level":3,"score":0.8632519245147705},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.8019034266471863},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.7472232580184937},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.6998697519302368},{"id":"https://openalex.org/C160671074","wikidata":"https://www.wikidata.org/wiki/Q267131","display_name":"Wafer","level":2,"score":0.6909418106079102},{"id":"https://openalex.org/C78434282","wikidata":"https://www.wikidata.org/wiki/Q11656","display_name":"Diode","level":2,"score":0.5600261092185974},{"id":"https://openalex.org/C32277403","wikidata":"https://www.wikidata.org/wiki/Q740445","display_name":"Ridge","level":2,"score":0.5473771095275879},{"id":"https://openalex.org/C134786449","wikidata":"https://www.wikidata.org/wiki/Q3391255","display_name":"Planar","level":2,"score":0.4527967870235443},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.4490188956260681},{"id":"https://openalex.org/C200687136","wikidata":"https://www.wikidata.org/wiki/Q11233438","display_name":"Waveguide","level":2,"score":0.44048288464546204},{"id":"https://openalex.org/C29169072","wikidata":"https://www.wikidata.org/wiki/Q521166","display_name":"Quantum well","level":3,"score":0.42935577034950256},{"id":"https://openalex.org/C121477167","wikidata":"https://www.wikidata.org/wiki/Q17154002","display_name":"Semiconductor laser theory","level":3,"score":0.4148270785808563},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.10291615128517151},{"id":"https://openalex.org/C2779227376","wikidata":"https://www.wikidata.org/wiki/Q6505497","display_name":"Layer (electronics)","level":2,"score":0.08875438570976257},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1117/12.947385","doi":"https://doi.org/10.1117/12.947385","is_oa":false,"landing_page_url":"https://doi.org/10.1117/12.947385","pdf_url":null,"source":{"id":"https://openalex.org/S183492911","display_name":"Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE","issn_l":"0277-786X","issn":["0277-786X","1996-756X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1"],"host_organization":"https://openalex.org/P4310315543","host_organization_name":"SPIE","host_organization_lineage":["https://openalex.org/P4310315543"],"host_organization_lineage_names":["SPIE"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SPIE Proceedings","raw_type":"proceedings-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":0,"referenced_works":[],"related_works":["https://openalex.org/W1966447892","https://openalex.org/W2017911556","https://openalex.org/W1981707610","https://openalex.org/W2120370533","https://openalex.org/W2004961634","https://openalex.org/W2151933586","https://openalex.org/W2208619049","https://openalex.org/W1992073994","https://openalex.org/W2170927972","https://openalex.org/W2074643458"],"abstract_inverted_index":{"A":[0,23,83],"novel":[1],"wafer":[2],"processing":[3],"technology":[4],"to":[5],"fabricate":[6],"ridge-waveguide":[7],"laser":[8,58,90],"diode":[9],"has":[10],"been":[11,47,72],"developed,":[12],"using":[13],"a":[14,29,36,50,76],"low":[15,24],"thermal":[16],"expansion":[17],"polyimide":[18],"and":[19,35,67],"an":[20],"etch-back":[21],"process.":[22],"threshold":[25],"current":[26],"of":[27,33,69],"15mA,":[28],"high":[30],"To":[31,68],"value":[32],"145K,":[34],"maximum":[37],"power":[38],"output":[39],"higher":[40],"than":[41],"30mW/facet":[42],"under":[43],"cw":[44],"operation":[45],"have":[46,71],"achieved":[48],"in":[49,75,86],"GRIN-SCH":[51,77],"single":[52],"quantum":[53,79],"well":[54,80],"PBR(Polyimide":[55],"Buried":[56],"Ridge)":[57],"emitting":[59],"at":[60,65],"780nm.":[61],"High":[62],"temperature":[63],"oscillation":[64],"1900C":[66],"165K":[70],"also":[73],"obtained":[74],"multiple":[78],"PBR":[81,89],"laser.":[82],"planar":[84],"configuration":[85],"the":[87],"present":[88],"is":[91],"suitable":[92],"for":[93],"opto-electronic":[94],"integration.":[95]},"counts_by_year":[],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}