{"id":"https://openalex.org/W2184673514","doi":"https://doi.org/10.1109/ecoc.2015.7341675","title":"Elephant coupler: Vertically curved Si waveguide with wide and flat wavelength window insensitive to coupling angle","display_name":"Elephant coupler: Vertically curved Si waveguide with wide and flat wavelength window insensitive to coupling angle","publication_year":2015,"publication_date":"2015-09-01","ids":{"openalex":"https://openalex.org/W2184673514","doi":"https://doi.org/10.1109/ecoc.2015.7341675","mag":"2184673514"},"language":"en","primary_location":{"id":"doi:10.1109/ecoc.2015.7341675","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ecoc.2015.7341675","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 European Conference on Optical Communication (ECOC)","raw_type":"proceedings-article"},"type":"article","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/A5078168903","display_name":"T. Yoshida","orcid":"https://orcid.org/0000-0002-6239-3888"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"T. Yoshida","raw_affiliation_strings":["Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, JAPAN"],"affiliations":[{"raw_affiliation_string":"Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, JAPAN","institution_ids":["https://openalex.org/I73613424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034051342","display_name":"Emiko Omoda","orcid":null},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"E. Omoda","raw_affiliation_strings":["Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, JAPAN"],"affiliations":[{"raw_affiliation_string":"Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, JAPAN","institution_ids":["https://openalex.org/I73613424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090824694","display_name":"Yuki Atsumi","orcid":"https://orcid.org/0000-0003-0460-6512"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Y. Atsumi","raw_affiliation_strings":["Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, JAPAN"],"affiliations":[{"raw_affiliation_string":"Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, JAPAN","institution_ids":["https://openalex.org/I73613424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032925810","display_name":"M. Mori","orcid":"https://orcid.org/0000-0001-6082-2848"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"M. Mori","raw_affiliation_strings":["Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, JAPAN"],"affiliations":[{"raw_affiliation_string":"Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, JAPAN","institution_ids":["https://openalex.org/I73613424"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026028141","display_name":"Youichi Sakakibara","orcid":"https://orcid.org/0000-0001-5078-7938"},"institutions":[{"id":"https://openalex.org/I73613424","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Y. Sakakibara","raw_affiliation_strings":["Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, JAPAN"],"affiliations":[{"raw_affiliation_string":"Electronics and Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, JAPAN","institution_ids":["https://openalex.org/I73613424"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5078168903"],"corresponding_institution_ids":["https://openalex.org/I73613424"],"apc_list":null,"apc_paid":null,"fwci":1.0009,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.79581103,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"22","issue":null,"first_page":"1","last_page":"3"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10299","display_name":"Photonic and Optical Devices","score":1.0,"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":1.0,"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":0.9995999932289124,"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/T10988","display_name":"Advanced Fiber Laser Technologies","score":0.9983000159263611,"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/wavelength","display_name":"Wavelength","score":0.7496211528778076},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.64893639087677},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.6484460830688477},{"id":"https://openalex.org/keywords/waveguide","display_name":"Waveguide","score":0.6467757225036621},{"id":"https://openalex.org/keywords/coupling","display_name":"Coupling (piping)","score":0.6041200160980225},{"id":"https://openalex.org/keywords/silicon","display_name":"Silicon","score":0.5857943296432495},{"id":"https://openalex.org/keywords/window","display_name":"Window (computing)","score":0.5795907378196716},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.48252007365226746},{"id":"https://openalex.org/keywords/power-dividers-and-directional-couplers","display_name":"Power dividers and directional couplers","score":0.41916540265083313},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.22351610660552979}],"concepts":[{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.7496211528778076},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.64893639087677},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6484460830688477},{"id":"https://openalex.org/C200687136","wikidata":"https://www.wikidata.org/wiki/Q11233438","display_name":"Waveguide","level":2,"score":0.6467757225036621},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.6041200160980225},{"id":"https://openalex.org/C544956773","wikidata":"https://www.wikidata.org/wiki/Q670","display_name":"Silicon","level":2,"score":0.5857943296432495},{"id":"https://openalex.org/C2778751112","wikidata":"https://www.wikidata.org/wiki/Q835016","display_name":"Window (computing)","level":2,"score":0.5795907378196716},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.48252007365226746},{"id":"https://openalex.org/C202988678","wikidata":"https://www.wikidata.org/wiki/Q1417986","display_name":"Power dividers and directional couplers","level":2,"score":0.41916540265083313},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.22351610660552979},{"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/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ecoc.2015.7341675","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ecoc.2015.7341675","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 European Conference on Optical Communication (ECOC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320311508","display_name":"National Institute of Advanced Industrial Science and Technology","ror":"https://ror.org/01703db54"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1931138612","https://openalex.org/W1980682986","https://openalex.org/W1984919787","https://openalex.org/W2039192630","https://openalex.org/W2051033774","https://openalex.org/W2154548640"],"related_works":["https://openalex.org/W2009904590","https://openalex.org/W1979444625","https://openalex.org/W2001280355","https://openalex.org/W2049191199","https://openalex.org/W2013383991","https://openalex.org/W2092979045","https://openalex.org/W2944177159","https://openalex.org/W1927320933","https://openalex.org/W2106586774","https://openalex.org/W3093296317"],"abstract_inverted_index":{"Few-micron-scale":[0],"vertical":[1],"silicon":[2,25],"coupler":[3],"that":[4],"has":[5],"high":[6],"coupling":[7],"efficiency,":[8],"weak":[9,13],"wavelength":[10,18],"dependence,":[11],"and":[12],"incident":[14],"angle":[15],"dependence":[16],"of":[17],"window":[19],"was":[20],"achieved":[21],"with":[22,35],"vertically":[23],"curved":[24],"waveguide":[26],"\u201celephant":[27],"coupler\u201d":[28],"formed":[29],"by":[30],"ion":[31],"implantation":[32],"method":[33],"compatible":[34],"LSI":[36],"manufacturing":[37],"technology.":[38]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}