{"id":"https://openalex.org/W4389056245","doi":"https://doi.org/10.3390/s23239398","title":"Circularly Polarized Ultra-Wideband Antenna for Uni-Traveling-Carrier Photodiode Terahertz Source","display_name":"Circularly Polarized Ultra-Wideband Antenna for Uni-Traveling-Carrier Photodiode Terahertz Source","publication_year":2023,"publication_date":"2023-11-25","ids":{"openalex":"https://openalex.org/W4389056245","doi":"https://doi.org/10.3390/s23239398","pmid":"https://pubmed.ncbi.nlm.nih.gov/38067771"},"language":"en","primary_location":{"id":"doi:10.3390/s23239398","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s23239398","pdf_url":"https://www.mdpi.com/1424-8220/23/23/9398/pdf?version=1700893327","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/23/23/9398/pdf?version=1700893327","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100350297","display_name":"Qi Li","orcid":"https://orcid.org/0009-0000-2266-2943"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qi Li","raw_affiliation_strings":["School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033120222","display_name":"Chuang Nie","orcid":"https://orcid.org/0000-0001-8094-4359"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chuang Nie","raw_affiliation_strings":["School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020683491","display_name":"Zihao Liu","orcid":"https://orcid.org/0000-0003-2835-249X"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zihao Liu","raw_affiliation_strings":["School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China"],"raw_orcid":"https://orcid.org/0000-0003-2835-249X","affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103267672","display_name":"Xin Zhou","orcid":"https://orcid.org/0000-0002-1820-4445"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Zhou","raw_affiliation_strings":["School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034206482","display_name":"Xiaohe Cheng","orcid":"https://orcid.org/0000-0001-9420-778X"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaohe Cheng","raw_affiliation_strings":["School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100339596","display_name":"Song Liang","orcid":"https://orcid.org/0000-0002-5735-7575"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210149211","display_name":"Institute of Semiconductors","ror":"https://ror.org/048dd0611","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210149211"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Song Liang","raw_affiliation_strings":["Key Laboratory of Semiconductor Materials Science, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Semiconductor Materials Science, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China","institution_ids":["https://openalex.org/I4210149211","https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090990710","display_name":"Yuan Yao","orcid":"https://orcid.org/0000-0003-4408-3031"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yuan Yao","raw_affiliation_strings":["School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5090990710"],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":1.1216,"has_fulltext":true,"cited_by_count":9,"citation_normalized_percentile":{"value":0.7825677,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"23","issue":"23","first_page":"9398","last_page":"9398"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10262","display_name":"Microwave Engineering and Waveguides","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"}},"topics":[{"id":"https://openalex.org/T10262","display_name":"Microwave Engineering and Waveguides","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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9994000196456909,"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/T11175","display_name":"Gyrotron and Vacuum Electronics Research","score":0.9979000091552734,"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/optics","display_name":"Optics","score":0.5576347708702087},{"id":"https://openalex.org/keywords/antenna-measurement","display_name":"Antenna measurement","score":0.546983003616333},{"id":"https://openalex.org/keywords/coaxial-antenna","display_name":"Coaxial antenna","score":0.5258368253707886},{"id":"https://openalex.org/keywords/photodiode","display_name":"Photodiode","score":0.5104274153709412},{"id":"https://openalex.org/keywords/spiral-antenna","display_name":"Spiral antenna","score":0.504921019077301},{"id":"https://openalex.org/keywords/antenna-factor","display_name":"Antenna factor","score":0.49208611249923706},{"id":"https://openalex.org/keywords/dipole-antenna","display_name":"Dipole antenna","score":0.4839461147785187},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.47675806283950806},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.45134374499320984},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.3803059756755829},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.2991569936275482},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.25174468755722046}],"concepts":[{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5576347708702087},{"id":"https://openalex.org/C158616128","wikidata":"https://www.wikidata.org/wiki/Q4771260","display_name":"Antenna measurement","level":3,"score":0.546983003616333},{"id":"https://openalex.org/C93130614","wikidata":"https://www.wikidata.org/wiki/Q5138671","display_name":"Coaxial antenna","level":4,"score":0.5258368253707886},{"id":"https://openalex.org/C751236","wikidata":"https://www.wikidata.org/wiki/Q175943","display_name":"Photodiode","level":2,"score":0.5104274153709412},{"id":"https://openalex.org/C2780911057","wikidata":"https://www.wikidata.org/wiki/Q7577752","display_name":"Spiral antenna","level":5,"score":0.504921019077301},{"id":"https://openalex.org/C196931383","wikidata":"https://www.wikidata.org/wiki/Q4771253","display_name":"Antenna factor","level":4,"score":0.49208611249923706},{"id":"https://openalex.org/C113145756","wikidata":"https://www.wikidata.org/wiki/Q1126859","display_name":"Dipole antenna","level":3,"score":0.4839461147785187},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.47675806283950806},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.45134374499320984},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.3803059756755829},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.2991569936275482},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.25174468755722046}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/s23239398","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s23239398","pdf_url":"https://www.mdpi.com/1424-8220/23/23/9398/pdf?version=1700893327","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:38067771","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/38067771","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:pubmedcentral.nih.gov:10708834","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/10708834","pdf_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC10708834/pdf/sensors-23-09398.pdf","source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"},{"id":"pmh:oai:doaj.org/article:c7c765d328d74b9983e6b896c14fa03c","is_oa":true,"landing_page_url":"https://doaj.org/article/c7c765d328d74b9983e6b896c14fa03c","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":"Sensors, Vol 23, Iss 23, p 9398 (2023)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/s23239398","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s23239398","pdf_url":"https://www.mdpi.com/1424-8220/23/23/9398/pdf?version=1700893327","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.6899999976158142,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321470","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59"}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4389056245.pdf"},"referenced_works_count":17,"referenced_works":["https://openalex.org/W1983532688","https://openalex.org/W2005832737","https://openalex.org/W2049037981","https://openalex.org/W2066640121","https://openalex.org/W2145602551","https://openalex.org/W2163207197","https://openalex.org/W2323504825","https://openalex.org/W2545636474","https://openalex.org/W2580334235","https://openalex.org/W2900690264","https://openalex.org/W2967980349","https://openalex.org/W2996680373","https://openalex.org/W2998872355","https://openalex.org/W3212677559","https://openalex.org/W4387299671","https://openalex.org/W6633488220","https://openalex.org/W6673191365"],"related_works":["https://openalex.org/W4234806897","https://openalex.org/W2139367805","https://openalex.org/W1541932198","https://openalex.org/W4226336911","https://openalex.org/W2075512135","https://openalex.org/W786087918","https://openalex.org/W1980940157","https://openalex.org/W4296910323","https://openalex.org/W4297990225","https://openalex.org/W4225404421"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"a":[3,10,69,86,98,104,111],"circularly":[4],"polarized":[5],"ultra-wideband":[6],"(UWB)":[7],"antenna":[8,47,102,126],"for":[9,19,118],"Uni-Traveling-Carrier":[11],"Photodiode":[12],"(UTC-PD)":[13],"to":[14,48,68,90],"meet":[15],"the":[16,29,32,36,40,46,50,63,72,80,100,119,125],"growing":[17],"demand":[18],"bandwidth":[20,109,117],"and":[21,85,93,110],"polarization":[22],"diversity":[23],"in":[24,71],"terahertz":[25],"(THz)":[26],"communication.":[27],"In":[28],"design":[30],"of":[31,39,124],"UTC-PD":[33],"integrated":[34,44,89],"antenna,":[35,65],"planar":[37],"electrodes":[38],"chip":[41],"are":[42],"directly":[43],"with":[45],"simplify":[49],"integration":[51,55],"process.":[52],"However,":[53],"this":[54,78],"introduces":[56],"new":[57],"problems,":[58],"such":[59],"as":[60],"asymmetry":[61],"inside":[62],"spiral":[64],"which":[66],"leads":[67],"deterioration":[70],"corresponding":[73],"high-frequency":[74],"performance.":[75],"To":[76],"address":[77],"issue,":[79],"antenna's":[81],"structure":[82],"is":[83,88,127],"optimized,":[84],"lens":[87],"enhance":[91],"directivity":[92],"eliminate":[94],"surface":[95],"waves.":[96],"As":[97],"result,":[99],"proposed":[101],"achieves":[103],"100-1500":[105],"GHz":[106,113],"(175%)":[107],"impedance":[108],"150-720":[112],"(131%)":[114],"axial":[115],"ratio":[116],"UTC-PD.":[120],"The":[121],"maximum":[122],"gain":[123],"21.05":[128],"dBi":[129],"at":[130],"1":[131],"THz.":[132]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}