{"id":"https://openalex.org/W2460701971","doi":null,"title":"Optimum design for InGaAsP/InP directional coupler","display_name":"Optimum design for InGaAsP/InP directional coupler","publication_year":1990,"publication_date":"1990-05-21","ids":{"openalex":"https://openalex.org/W2460701971","mag":"2460701971"},"language":"en","primary_location":{"id":"mag:2460701971","doi":null,"is_oa":false,"landing_page_url":"https://www.osapublishing.org/viewmedia.cfm?uri=CLEO-1990-CTHI43&seq=0","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5022832070","display_name":"Chi\u2010Man Lawrence Wu","orcid":"https://orcid.org/0000-0002-7190-8855","observed_orcids":["https://orcid.org/0000-0002-7190-8855"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Chi\u2010Man Lawrence Wu","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-7190-8855","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077192359","display_name":"M. Sweeny","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M. Sweeny","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050220280","display_name":"Junjie Xu","orcid":"https://orcid.org/0000-0002-1549-693X","observed_orcids":["https://orcid.org/0000-0002-1549-693X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Junjie Xu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046498701","display_name":"Claude R. Rolland","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"C. Rolland","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5070265943","display_name":"K. D. Chik","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"K. D. Chik","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.37319714,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10299","display_name":"Photonic and Optical Devices","score":0.9330999851226807,"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":0.9330999851226807,"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":0.027699999511241913,"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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.016200000420212746,"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/ingaasp-inp","display_name":"InGaAsP/InP","score":0.9229999780654907},{"id":"https://openalex.org/keywords/directional-coupler","display_name":"directional coupler","score":0.9570000171661377},{"id":"https://openalex.org/keywords/optical-waveguide-design","display_name":"optical waveguide design","score":0.6489999890327454},{"id":"https://openalex.org/keywords/semiconductor-optical-waveguides","display_name":"semiconductor optical waveguides","score":0.609000027179718}],"concepts":[{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.582624614238739},{"id":"https://openalex.org/C80185135","wikidata":"https://www.wikidata.org/wiki/Q1417986","display_name":"Hybrid coupler","level":3,"score":0.5607925057411194},{"id":"https://openalex.org/C202988678","wikidata":"https://www.wikidata.org/wiki/Q1417986","display_name":"Power dividers and directional couplers","level":2,"score":0.5564219355583191},{"id":"https://openalex.org/C510052550","wikidata":"https://www.wikidata.org/wiki/Q422819","display_name":"Gallium arsenide","level":2,"score":0.5282430052757263},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.48730146884918213},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.352886438369751},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.23492473363876343}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2460701971","doi":null,"is_oa":false,"landing_page_url":"https://www.osapublishing.org/viewmedia.cfm?uri=CLEO-1990-CTHI43&seq=0","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3181542283","https://openalex.org/W1772582490","https://openalex.org/W7038067983","https://openalex.org/W2189182738","https://openalex.org/W1969412357","https://openalex.org/W3043292388","https://openalex.org/W2994470579","https://openalex.org/W7015933461","https://openalex.org/W2477304326","https://openalex.org/W2253617592"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-09-29T14:09:16.559479","created_date":"2016-07-22T00:00:00"}
