{"id":"https://openalex.org/W2889174912","doi":"https://doi.org/10.1109/drc.2018.8442142","title":"Design of InP Segmented-collector DHBTs with Reduced Collector Transit Time \u03c4<sub>c</sub> for Large Power Bandwidth Power Amplifiers","display_name":"Design of InP Segmented-collector DHBTs with Reduced Collector Transit Time \u03c4<sub>c</sub> for Large Power Bandwidth Power Amplifiers","publication_year":2018,"publication_date":"2018-06-01","ids":{"openalex":"https://openalex.org/W2889174912","doi":"https://doi.org/10.1109/drc.2018.8442142","mag":"2889174912"},"language":"en","primary_location":{"id":"doi:10.1109/drc.2018.8442142","is_oa":false,"landing_page_url":"https://doi.org/10.1109/drc.2018.8442142","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 76th Device Research Conference (DRC)","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/A5102743076","display_name":"Yihao Fang","orcid":"https://orcid.org/0000-0002-1916-4035"},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Yihao Fang","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of California, Santa Barbara, 93106, USA","Department of Electrical and Computer Engineering, University of California, Santa Barbara, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of California, Santa Barbara, 93106, USA","institution_ids":["https://openalex.org/I154570441"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of California, Santa Barbara, USA","institution_ids":["https://openalex.org/I154570441"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057970323","display_name":"Jonathan P. Sculley","orcid":null},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jonathan P. Sculley","raw_affiliation_strings":["School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, 30332, USA","School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, USA"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, 30332, USA","institution_ids":["https://openalex.org/I130701444"]},{"raw_affiliation_string":"School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, USA","institution_ids":["https://openalex.org/I130701444"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010418756","display_name":"Miguel Urteaga","orcid":"https://orcid.org/0000-0001-5127-929X"},"institutions":[{"id":"https://openalex.org/I880619579","display_name":"Teledyne Technologies (United States)","ror":"https://ror.org/00a1gne75","country_code":"US","type":"company","lineage":["https://openalex.org/I880619579"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Miguel E Urteaga","raw_affiliation_strings":["Teledyne Scientific and Imaging, 1049Camino Dos Rios, Thousand Oaks, CA, 91360, USA","Teledyne Scientific and Imaging, 1049Camino Dos Rios, Thousand Oaks, CA, USA"],"affiliations":[{"raw_affiliation_string":"Teledyne Scientific and Imaging, 1049Camino Dos Rios, Thousand Oaks, CA, 91360, USA","institution_ids":["https://openalex.org/I880619579"]},{"raw_affiliation_string":"Teledyne Scientific and Imaging, 1049Camino Dos Rios, Thousand Oaks, CA, USA","institution_ids":["https://openalex.org/I880619579"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014665305","display_name":"Andy D. Carter","orcid":null},"institutions":[{"id":"https://openalex.org/I880619579","display_name":"Teledyne Technologies (United States)","ror":"https://ror.org/00a1gne75","country_code":"US","type":"company","lineage":["https://openalex.org/I880619579"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Andy D Carter","raw_affiliation_strings":["Teledyne Scientific and Imaging, 1049Camino Dos Rios, Thousand Oaks, CA, 91360, USA","Teledyne Scientific and Imaging, 1049Camino Dos Rios, Thousand Oaks, CA, USA"],"affiliations":[{"raw_affiliation_string":"Teledyne Scientific and Imaging, 1049Camino Dos Rios, Thousand Oaks, CA, 91360, USA","institution_ids":["https://openalex.org/I880619579"]},{"raw_affiliation_string":"Teledyne Scientific and Imaging, 1049Camino Dos Rios, Thousand Oaks, CA, USA","institution_ids":["https://openalex.org/I880619579"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039460005","display_name":"P. Douglas Yoder","orcid":"https://orcid.org/0000-0001-7462-9416"},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Paul D. Yoder","raw_affiliation_strings":["School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, 30332, USA","School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, USA"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, 30332, USA","institution_ids":["https://openalex.org/I130701444"]},{"raw_affiliation_string":"School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, USA","institution_ids":["https://openalex.org/I130701444"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103254043","display_name":"M.J.W. Rodwell","orcid":"https://orcid.org/0000-0002-5989-1616"},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mark J.W. Rodwell","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of California, Santa Barbara, 93106, USA","Department of Electrical and Computer Engineering, University of California, Santa Barbara, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of California, Santa Barbara, 93106, USA","institution_ids":["https://openalex.org/I154570441"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of California, Santa Barbara, USA","institution_ids":["https://openalex.org/I154570441"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5102743076"],"corresponding_institution_ids":["https://openalex.org/I154570441"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.10705312,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"2"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10099","display_name":"GaN-based semiconductor devices and materials","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10099","display_name":"GaN-based semiconductor devices and materials","score":0.9998999834060669,"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/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.9997000098228455,"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":0.9993000030517578,"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/amplifier","display_name":"Amplifier","score":0.6786712408065796},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.48433172702789307},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.46794500946998596},{"id":"https://openalex.org/keywords/saturation-velocity","display_name":"Saturation velocity","score":0.4664803147315979},{"id":"https://openalex.org/keywords/velocity-overshoot","display_name":"Velocity overshoot","score":0.45406574010849},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.4305607080459595},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.39597922563552856},{"id":"https://openalex.org/keywords/transistor","display_name":"Transistor","score":0.3621605634689331},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.3278042674064636},{"id":"https://openalex.org/keywords/electron","display_name":"Electron","score":0.3209233283996582},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.2732172906398773},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.19715023040771484},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.19050070643424988},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10302591323852539},{"id":"https://openalex.org/keywords/nuclear-physics","display_name":"Nuclear physics","score":0.07949349284172058},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.07472836971282959}],"concepts":[{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.6786712408065796},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.48433172702789307},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.46794500946998596},{"id":"https://openalex.org/C151431374","wikidata":"https://www.wikidata.org/wiki/Q7426597","display_name":"Saturation velocity","level":4,"score":0.4664803147315979},{"id":"https://openalex.org/C2779364907","wikidata":"https://www.wikidata.org/wiki/Q2512560","display_name":"Velocity overshoot","level":3,"score":0.45406574010849},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.4305607080459595},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.39597922563552856},{"id":"https://openalex.org/C172385210","wikidata":"https://www.wikidata.org/wiki/Q5339","display_name":"Transistor","level":3,"score":0.3621605634689331},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.3278042674064636},{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.3209233283996582},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.2732172906398773},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.19715023040771484},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.19050070643424988},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10302591323852539},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.07949349284172058},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.07472836971282959}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/drc.2018.8442142","is_oa":false,"landing_page_url":"https://doi.org/10.1109/drc.2018.8442142","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 76th Device Research Conference (DRC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.8899999856948853,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2018863391","https://openalex.org/W2032262202","https://openalex.org/W2091466335","https://openalex.org/W2091628914","https://openalex.org/W2149396017"],"related_works":["https://openalex.org/W1983187918","https://openalex.org/W1975197272","https://openalex.org/W1554553924","https://openalex.org/W2050707687","https://openalex.org/W2162975204","https://openalex.org/W4243587197","https://openalex.org/W1973589220","https://openalex.org/W2318884303","https://openalex.org/W2026265044","https://openalex.org/W2019926535"],"abstract_inverted_index":{"InP":[0,29,73],"double-heterojunction":[1],"bipolar":[2],"transistors":[3],"(DHBTs)":[4],"have":[5],"demonstrated":[6],"power":[7,70,169,171],"gain":[8],"cutoff":[9],"frequencies":[10],"(f":[11],"<sub":[12,147,152],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[13,148,153,158],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">max</sub>":[14],")":[15],"above":[16],"1THz":[17],"under":[18],"low":[19,111],"collector":[20,31,36,96,126],"voltage":[21],"due":[22],"to":[23,50,57,63,97,138],"electron":[24,48,100,107],"velocity":[25,49,53,118],"overshoot":[26,119],"in":[27,134,140],"the":[28,46,51,84,94,99,110,125,135],"drift":[30,95],"[1]":[32],"[2].":[33],"Under":[34],"higher":[35],"voltage,":[37],"however,":[38],"a":[39,58,67,79,105,141],"quick":[40],"onset":[41],"of":[42],"\u0393-L":[43],"scattering":[44,91],"limits":[45],"average":[47],"saturation":[52],"(Fig.":[54,120],"1(a)-(c)),":[55],"leading":[56],"Johnson's":[59],"figure-of-merit":[60],"(JFOM)":[61],"second":[62],"GaN":[64],"HEMTs":[65],"and":[66,103],"limited":[68],"transistor":[69],"bandwidth":[71,170],"for":[72,116,167],"DHBTs":[74],"[3].":[75],"Here":[76],"we":[77],"propose":[78],"velocity-engineered":[80],"device":[81],"structure":[82],"called":[83],"segmented-collector":[85],"DHBT":[86],"(SC-DHBT)":[87],"that":[88],"incorporates":[89],"p-type":[90],"layers":[92],"within":[93],"reduce":[98],"kinetic":[101],"energy":[102],"force":[104],"greater":[106],"distribution":[108],"into":[109],"effective":[112],"mass":[113],"\u0393-":[114],"valley":[115],"extended":[117],"3(a)).":[121],"Transport":[122],"simulations":[123],"show":[124],"transit":[127],"time":[128],"\u03c4c":[129],"is":[130,165],"reduced":[131],"from":[132],"1.23ps":[133],"reference":[136],"design":[137,144,164],"0.90ps":[139],"double":[142],"scatterer":[143],"at":[145],"V":[146],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">cb</sub>":[149],"=5V,":[150],"J":[151],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">c</sub>":[154],"=":[155],"1mA/um":[156],"<sup":[157],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[159],".":[160],"The":[161],"proposed":[162],"SC-DHBT":[163],"suited":[166],"large":[168],"amplifiers.":[172]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
