{"id":"https://openalex.org/W4403390113","doi":"https://doi.org/10.1109/access.2024.3479272","title":"High-Efficiency Broadband Infrared Thin-Film Germanium Photodetector Enhanced by a Resonant Cavity and a Nano-Slit Metasurface","display_name":"High-Efficiency Broadband Infrared Thin-Film Germanium Photodetector Enhanced by a Resonant Cavity and a Nano-Slit Metasurface","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4403390113","doi":"https://doi.org/10.1109/access.2024.3479272"},"language":"en","primary_location":{"id":"doi:10.1109/access.2024.3479272","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2024.3479272","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2024.3479272","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5030530705","display_name":"Ching-Yu Hsu","orcid":"https://orcid.org/0000-0002-0672-200X"},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Ching-Yu Hsu","raw_affiliation_strings":["College of Photonics, National Yang Ming Chiao Tung University, Tainan, Taiwan"],"raw_orcid":"https://orcid.org/0000-0002-0672-200X","affiliations":[{"raw_affiliation_string":"College of Photonics, National Yang Ming Chiao Tung University, Tainan, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060636009","display_name":"Zingway Pei","orcid":"https://orcid.org/0000-0003-0247-7446"},"institutions":[{"id":"https://openalex.org/I162838928","display_name":"National Chung Hsing University","ror":"https://ror.org/05vn3ca78","country_code":"TW","type":"education","lineage":["https://openalex.org/I162838928"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Zingway Pei","raw_affiliation_strings":["Graduate Institute of Optoelectronic Engineering, National Chung Hsing University, Taichung, Taiwan"],"raw_orcid":"https://orcid.org/0000-0003-0247-7446","affiliations":[{"raw_affiliation_string":"Graduate Institute of Optoelectronic Engineering, National Chung Hsing University, Taichung, Taiwan","institution_ids":["https://openalex.org/I162838928"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109124682","display_name":"Jia-Ming Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jia-Ming Liu","raw_affiliation_strings":["College of Photonics, National Yang Ming Chiao Tung University, Tainan, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Photonics, National Yang Ming Chiao Tung University, Tainan, Taiwan","institution_ids":["https://openalex.org/I148366613"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5030530705"],"corresponding_institution_ids":["https://openalex.org/I148366613"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.3937,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.61716997,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":96},"biblio":{"volume":"12","issue":null,"first_page":"156904","last_page":"156914"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10299","display_name":"Photonic and Optical Devices","score":0.9994999766349792,"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":0.9994999766349792,"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/T10099","display_name":"GaN-based semiconductor devices and materials","score":0.9948999881744385,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10666","display_name":"Photonic Crystals and Applications","score":0.9941999912261963,"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/germanium","display_name":"Germanium","score":0.7447823286056519},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.7272420525550842},{"id":"https://openalex.org/keywords/photodetector","display_name":"Photodetector","score":0.7131400108337402},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.7108386754989624},{"id":"https://openalex.org/keywords/broadband","display_name":"Broadband","score":0.7073438763618469},{"id":"https://openalex.org/keywords/infrared","display_name":"Infrared","score":0.6438538432121277},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.5924921035766602},{"id":"https://openalex.org/keywords/nano","display_name":"Nano-","score":0.49964427947998047},{"id":"https://openalex.org/keywords/resonant-cavity","display_name":"Resonant cavity","score":0.44792601466178894},{"id":"https://openalex.org/keywords/silicon","display_name":"Silicon","score":0.24616098403930664},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.12507203221321106},{"id":"https://openalex.org/keywords/laser","display_name":"Laser","score":0.10114803910255432}],"concepts":[{"id":"https://openalex.org/C550623735","wikidata":"https://www.wikidata.org/wiki/Q867","display_name":"Germanium","level":3,"score":0.7447823286056519},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.7272420525550842},{"id":"https://openalex.org/C23125352","wikidata":"https://www.wikidata.org/wiki/Q210765","display_name":"Photodetector","level":2,"score":0.7131400108337402},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.7108386754989624},{"id":"https://openalex.org/C509933004","wikidata":"https://www.wikidata.org/wiki/Q194163","display_name":"Broadband","level":2,"score":0.7073438763618469},{"id":"https://openalex.org/C158355884","wikidata":"https://www.wikidata.org/wiki/Q11388","display_name":"Infrared","level":2,"score":0.6438538432121277},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5924921035766602},{"id":"https://openalex.org/C2780357685","wikidata":"https://www.wikidata.org/wiki/Q154357","display_name":"Nano-","level":2,"score":0.49964427947998047},{"id":"https://openalex.org/C2989223519","wikidata":"https://www.wikidata.org/wiki/Q349669","display_name":"Resonant cavity","level":3,"score":0.44792601466178894},{"id":"https://openalex.org/C544956773","wikidata":"https://www.wikidata.org/wiki/Q670","display_name":"Silicon","level":2,"score":0.24616098403930664},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12507203221321106},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.10114803910255432},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2024.3479272","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2024.3479272","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:2a58c01ab3194cbd9a3bee4f9e45b7d0","is_oa":true,"landing_page_url":"https://doaj.org/article/2a58c01ab3194cbd9a3bee4f9e45b7d0","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 12, Pp 156904-156914 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2024.3479272","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2024.3479272","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.5799999833106995,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":41,"referenced_works":["https://openalex.org/W1965628023","https://openalex.org/W1966132753","https://openalex.org/W1972672157","https://openalex.org/W1990759845","https://openalex.org/W1998597019","https://openalex.org/W2000742597","https://openalex.org/W2009418623","https://openalex.org/W2030104447","https://openalex.org/W2061617891","https://openalex.org/W2075446069","https://openalex.org/W2088902159","https://openalex.org/W2110427327","https://openalex.org/W2153851540","https://openalex.org/W2320266422","https://openalex.org/W2346503705","https://openalex.org/W2524269010","https://openalex.org/W2776866580","https://openalex.org/W2808822430","https://openalex.org/W2884331329","https://openalex.org/W2887787315","https://openalex.org/W2975458357","https://openalex.org/W3010937361","https://openalex.org/W3013787560","https://openalex.org/W3016600231","https://openalex.org/W3042546814","https://openalex.org/W3042723298","https://openalex.org/W3086630289","https://openalex.org/W3100435238","https://openalex.org/W3133883271","https://openalex.org/W3163209360","https://openalex.org/W3191978133","https://openalex.org/W3200479930","https://openalex.org/W3212286684","https://openalex.org/W4225498542","https://openalex.org/W4288498598","https://openalex.org/W4296912388","https://openalex.org/W4298168032","https://openalex.org/W4362722164","https://openalex.org/W4376134100","https://openalex.org/W4383314920","https://openalex.org/W4395470263"],"related_works":["https://openalex.org/W2392011998","https://openalex.org/W2034642942","https://openalex.org/W1999104731","https://openalex.org/W1990502231","https://openalex.org/W2388328676","https://openalex.org/W2153417100","https://openalex.org/W2110854387","https://openalex.org/W1497410441","https://openalex.org/W2129464328","https://openalex.org/W2094239940"],"abstract_inverted_index":{"This":[0,41,184],"paper":[1],"presents":[2],"a":[3,16,21,34,110,123,159,162,166,179,194,242],"novel":[4],"design":[5,13,42,94],"for":[6,50,176,233],"high-quantum-efficiency":[7],"and":[8,62,109,138,152,211,224],"broadband":[9],"Ge-on-Si":[10],"photodetectors.":[11],"The":[12,57,90,129,146,217],"entails":[14],"placing":[15],"SiO2-filled":[17,58],"nano-slit":[18],"metasurface":[19,59,127],"on":[20],"free-standing":[22],"resonant-cavity":[23],"enhanced":[24],"(RCE)":[25],"Ge":[26,168],"structure":[27],"to":[28,71,79],"achieve":[29],"high":[30,238],"quantum":[31,98,112,130,191,196,203,239],"efficiency":[32,99,113,131,192,197,204,240],"in":[33,103],"broad":[35,243],"spectral":[36,107,244],"range":[37,108],"of":[38,46,66,86,100,114,170,181,189,198,237],"1000\u20131600":[39,105],"nm.":[40,216],"addresses":[43],"the":[44,67,80,87,104,126],"limitations":[45],"narrow":[47],"resonance":[48],"linewidths":[49],"conventional":[51],"RCE":[52],"devices":[53],"with":[54,92,193],"Fabry\u2013Perot":[55],"cavities.":[56],"introduces":[60],"diffraction":[61],"additional":[63],"phase":[64],"matching":[65],"incident":[68],"light":[69,77],"field":[70],"horizontal":[72],"guided":[73],"modes,":[74],"thus":[75],"enhancing":[76],"coupling":[78],"active":[81],"region":[82],"at":[83,132,140,178,207,213],"non-resonance":[84],"wavelengths":[85],"Fabry-Perot":[88],"mode.":[89],"device":[91,124,160,185],"this":[93],"exhibits":[95,186],"an":[96,187],"average":[97,188],"73.28":[101],"%":[102],"nm":[106,135,143,172,210],"minimum":[111,195],"approximately":[115],"60%,":[116],"which":[117],"is":[118,149,174,221],"three":[119],"times":[120],"higher":[121],"than":[122],"without":[125],"structure.":[128],"around":[133,141,199,208,214],"1300":[134,209],"reaches":[136,144,205],"76.65%,":[137],"that":[139],"1550":[142,215],"98.69%.":[145],"estimated":[147,219],"responsivity":[148,220],"0.81":[150],"A/W":[151,223],"1.23":[153],"A/W,":[154,226],"respectively.":[155,227],"For":[156],"high-speed":[157,234],"applications,":[158],"comprising":[161],"Si":[163],"spacer":[164],"below":[165],"thin":[167],"layer":[169],"600":[171],"thickness":[173],"aimed":[175],"operation":[177],"bandwidth":[180],"55":[182],"GHz.":[183],"64.96%":[190],"60%.":[200],"Its":[201],"peak":[202],"92.61%":[206],"94.65%":[212],"corresponding":[218],"0.98":[222],"1.18":[225],"Both":[228],"designs":[229],"are":[230],"innovative":[231],"solutions":[232],"infrared":[235],"photodetectors":[236],"over":[241],"range.":[245]},"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}
