{"id":"https://openalex.org/W7204828107","doi":"https://doi.org/10.1109/tqe.2026.3728781","title":"Integrated Superconducting High-$Q$ Seamless Cavity for Quantum Memory and Qubit Readout Applications","display_name":"Integrated Superconducting High-$Q$ Seamless Cavity for Quantum Memory and Qubit Readout Applications","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7204828107","doi":"https://doi.org/10.1109/tqe.2026.3728781"},"language":"en","primary_location":{"id":"doi:10.1109/tqe.2026.3728781","doi":"https://doi.org/10.1109/tqe.2026.3728781","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tqe.2026.3728781","pdf_url":null,"source":{"id":"https://openalex.org/S4210182817","display_name":"IEEE Transactions on Quantum Engineering","issn_l":"2689-1808","issn":["2689-1808"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","jufo-1","norway-1","poland-20","russia-white-list-4"],"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Quantum Engineering","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/tqe.2026.3728781","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5028259093","display_name":"Mohamed F. Hagag","orcid":"https://orcid.org/0000-0002-9065-2277","observed_orcids":["https://orcid.org/0000-0002-9065-2277"]},"institutions":[{"id":"https://openalex.org/I4210100308","display_name":"Military Technical College","ror":"https://ror.org/01337pb37","country_code":"EG","type":"education","lineage":["https://openalex.org/I4210100308"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Mohamed Fouad Hagag","raw_affiliation_strings":["Military Technical College"],"raw_orcid":"https://orcid.org/0000-0002-9065-2277","affiliations":[{"raw_affiliation_string":"Military Technical College","institution_ids":["https://openalex.org/I4210100308"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057809343","display_name":"Kareem H. El\u2010Gendy","orcid":"https://orcid.org/0000-0002-9236-8536","observed_orcids":["https://orcid.org/0000-0002-9236-8536"]},"institutions":[{"id":"https://openalex.org/I4210100308","display_name":"Military Technical College","ror":"https://ror.org/01337pb37","country_code":"EG","type":"education","lineage":["https://openalex.org/I4210100308"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Kareem H. El-Gendy","raw_affiliation_strings":["Military Technical College"],"raw_orcid":"https://orcid.org/0000-0002-9236-8536","affiliations":[{"raw_affiliation_string":"Military Technical College","institution_ids":["https://openalex.org/I4210100308"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5148811200","display_name":"Bashar Zyoud","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Bashar A. Zyoud","raw_affiliation_strings":["Purdue University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Purdue University","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5143958537","display_name":"Thomas R. Jones","orcid":"https://orcid.org/0000-0002-2868-2512","observed_orcids":["https://orcid.org/0000-0002-2868-2512"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Thomas R. Jones","raw_affiliation_strings":["Jones Microwave Inc"],"raw_orcid":"https://orcid.org/0000-0002-2868-2512","affiliations":[{"raw_affiliation_string":"Jones Microwave Inc","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055400388","display_name":"Karim G. Seddik","orcid":"https://orcid.org/0000-0002-2279-592X","observed_orcids":["https://orcid.org/0000-0002-2279-592X"]},"institutions":[{"id":"https://openalex.org/I80693520","display_name":"American University in Cairo","ror":"https://ror.org/0176yqn58","country_code":"EG","type":"education","lineage":["https://openalex.org/I80693520"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Karim G. Seddik","raw_affiliation_strings":["The American University in Cairo"],"raw_orcid":"https://orcid.org/0000-0002-2279-592X","affiliations":[{"raw_affiliation_string":"The American University in Cairo","institution_ids":["https://openalex.org/I80693520"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073681876","display_name":"Dimitrios Peroulis","orcid":"https://orcid.org/0000-0002-4993-1653","observed_orcids":["https://orcid.org/0000-0002-4993-1653"]},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dimitrios Peroulis","raw_affiliation_strings":["Purdue University"],"raw_orcid":"https://orcid.org/0000-0002-4993-1653","affiliations":[{"raw_affiliation_string":"Purdue University","institution_ids":["https://openalex.org/I219193219"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2075,"currency":"USD","value_usd":2075},"apc_paid":{"value":2075,"currency":"USD","value_usd":2075},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"7","issue":null,"first_page":"5100116","last_page":"5100116"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":0.6621000170707703,"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"}},"topics":[{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":0.6621000170707703,"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"}},{"id":"https://openalex.org/T11449","display_name":"Mechanical and Optical Resonators","score":0.22599999606609344,"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"}},{"id":"https://openalex.org/T11414","display_name":"Quantum optics and atomic interactions","score":0.0544000007212162,"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/high-q-resonators","display_name":"high-Q resonators","score":0.6570000052452087},{"id":"https://openalex.org/keywords/quantum-memory","display_name":"quantum memory","score":0.7409999966621399},{"id":"https://openalex.org/keywords/qubit-readout","display_name":"qubit readout","score":0.9779999852180481},{"id":"https://openalex.org/keywords/transmon-qubits","display_name":"transmon qubits","score":0.8230000138282776},{"id":"https://openalex.org/keywords/micromachined-resonators","display_name":"micromachined resonators","score":0.7099999785423279}],"concepts":[{"id":"https://openalex.org/C203087015","wikidata":"https://www.wikidata.org/wiki/Q378201","display_name":"Qubit","level":3,"score":0.657800018787384},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6062999963760376},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.4611999988555908},{"id":"https://openalex.org/C54101563","wikidata":"https://www.wikidata.org/wiki/Q124131","display_name":"Superconductivity","level":2,"score":0.424699991941452},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.4059000015258789},{"id":"https://openalex.org/C58053490","wikidata":"https://www.wikidata.org/wiki/Q176555","display_name":"Quantum computer","level":3,"score":0.4032000005245209},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3619999885559082},{"id":"https://openalex.org/C73214911","wikidata":"https://www.wikidata.org/wiki/Q7180959","display_name":"Phase qubit","level":4,"score":0.35109999775886536},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.33480000495910645},{"id":"https://openalex.org/C2985428132","wikidata":"https://www.wikidata.org/wiki/Q59402062","display_name":"Quantum memory","level":5,"score":0.32499998807907104},{"id":"https://openalex.org/C124657808","wikidata":"https://www.wikidata.org/wiki/Q1133068","display_name":"Quantum dot","level":2,"score":0.32339999079704285},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3034000098705292},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.299699991941452},{"id":"https://openalex.org/C2778926657","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum system","level":3,"score":0.2639000117778778},{"id":"https://openalex.org/C2781089630","wikidata":"https://www.wikidata.org/wiki/Q21856745","display_name":"Realization (probability)","level":2,"score":0.2621999979019165},{"id":"https://openalex.org/C89143813","wikidata":"https://www.wikidata.org/wiki/Q17105423","display_name":"Quantum sensor","level":5,"score":0.258899986743927},{"id":"https://openalex.org/C97126364","wikidata":"https://www.wikidata.org/wiki/Q349669","display_name":"Resonator","level":2,"score":0.2587999999523163},{"id":"https://openalex.org/C2994168587","wikidata":"https://www.wikidata.org/wiki/Q5295","display_name":"Random access memory","level":2,"score":0.25690001249313354},{"id":"https://openalex.org/C169699857","wikidata":"https://www.wikidata.org/wiki/Q2122243","display_name":"Quantum information","level":3,"score":0.2513999938964844},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.25040000677108765}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tqe.2026.3728781","doi":"https://doi.org/10.1109/tqe.2026.3728781","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tqe.2026.3728781","pdf_url":null,"source":{"id":"https://openalex.org/S4210182817","display_name":"IEEE Transactions on Quantum Engineering","issn_l":"2689-1808","issn":["2689-1808"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","jufo-1","norway-1","poland-20","russia-white-list-4"],"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Quantum Engineering","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:9e0e3564f2c843c3bde26c5b51015a35","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/9e0e3564f2c843c3bde26c5b51015a35","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,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Quantum Engineering, Vol 7, Pp 5100116-5100116 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/tqe.2026.3728781","doi":"https://doi.org/10.1109/tqe.2026.3728781","is_oa":true,"landing_page_url":"https://doi.org/10.1109/tqe.2026.3728781","pdf_url":null,"source":{"id":"https://openalex.org/S4210182817","display_name":"IEEE Transactions on Quantum Engineering","issn_l":"2689-1808","issn":["2689-1808"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","jufo-1","norway-1","poland-20","russia-white-list-4"],"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":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Quantum Engineering","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W1984417783","https://openalex.org/W2010670866","https://openalex.org/W2013461060","https://openalex.org/W2021835380","https://openalex.org/W2022881716","https://openalex.org/W2046762508","https://openalex.org/W2060904747","https://openalex.org/W2065006659","https://openalex.org/W2068163719","https://openalex.org/W2086871804","https://openalex.org/W2087994777","https://openalex.org/W2090545133","https://openalex.org/W2132835760","https://openalex.org/W2141221481","https://openalex.org/W2162005843","https://openalex.org/W2199284176","https://openalex.org/W2234044708","https://openalex.org/W2419539690","https://openalex.org/W2515614458","https://openalex.org/W2803141612","https://openalex.org/W2885915800","https://openalex.org/W2904491709","https://openalex.org/W2905930993","https://openalex.org/W2950805899","https://openalex.org/W3006932841","https://openalex.org/W3089559343","https://openalex.org/W3104201096","https://openalex.org/W3138987600","https://openalex.org/W4224226515","https://openalex.org/W4286973416","https://openalex.org/W4296338130","https://openalex.org/W4299689903","https://openalex.org/W4327937797","https://openalex.org/W4362702358","https://openalex.org/W4386741359","https://openalex.org/W4387010815","https://openalex.org/W4390973791","https://openalex.org/W4391023938","https://openalex.org/W4392800775","https://openalex.org/W4396544828","https://openalex.org/W4396925706","https://openalex.org/W4403620356","https://openalex.org/W4406415564","https://openalex.org/W4410314432","https://openalex.org/W4412708334","https://openalex.org/W4413301325","https://openalex.org/W4416214620"],"related_works":["https://openalex.org/W3096968601","https://openalex.org/W7125523661","https://openalex.org/W4366823560","https://openalex.org/W2162005843","https://openalex.org/W1991400766","https://openalex.org/W2247796446","https://openalex.org/W2803141612","https://openalex.org/W4323041018","https://openalex.org/W4221148816","https://openalex.org/W4410859086"],"abstract_inverted_index":{"This":[0],"work":[1,240],"presents":[2],"a":[3,22,37,46,80,182,198,206,242],"novel":[4],"micromachined,":[5],"seamless":[6],"sapphire\u2013silicon":[7],"hybrid":[8],"evanescent-mode":[9],"cavity":[10,75],"architecture":[11,204,238],"incorporating":[12],"selectively":[13],"engineered":[14,237],"coupling":[15,20,137,149],"channels":[16],"and":[17,45,73,105,165,214,245],"flux-tunable":[18,178],"external":[19],"via":[21],"superconducting":[23,116,251],"quantum":[24,68,252],"interference":[25],"device":[26],"(SQUID).":[27],"The":[28,129,177],"proposed":[29,234],"design":[30,78],"enables":[31,134,181],"two":[32,119],"simulated":[33,103,209,218,229],"operating":[34],"states":[35],"within":[36],"single":[38],"device:":[39],"an":[40,97,169],"ultra-high-":[41],"$Q$":[42,171,185],"memory":[43,219],"configuration":[44,49],"high-speed":[47],"readout":[48,59],"with":[50],"intrinsic":[51],"Purcell":[52],"filtering,":[53],"which":[54],"is":[55],"expected":[56],"to":[57,96,191,197],"enhance":[58],"fidelity":[60],"while":[61,92,146],"preserving":[62],"the":[63,66,77,112,139,151,203,233],"coherence":[64,226],"of":[65],"stored":[67],"information.":[69],"Unlike":[70],"prior":[71],"3-D":[72],"multimode":[74],"approaches,":[76],"employs":[79,114],"distributed":[81],"embedded-capacitance":[82],"network":[83],"that":[84,232],"confines":[85],"electric":[86,148],"fields":[87,95],"into":[88],"ultra-low-loss":[89],"dielectric":[90,106],"regions":[91],"distributing":[93],"magnetic":[94,136],"air-filled":[98],"enclosure,":[99],"thus":[100],"substantially":[101],"reducing":[102],"surface":[104],"losses":[107,123],"beyond":[108],"reported":[109],"architectures.":[110],"Moreover,":[111],"structure":[113],"contactless":[115],"metallization":[117],"between":[118],"wafers,":[120],"eliminating":[121],"seam":[122],"typically":[124],"observed":[125],"in":[126],"micromachined":[127],"resonators.":[128],"designed":[130],"selective":[131],"field-coupling":[132],"strategy":[133],"pure":[135,147],"through":[138,150],"lower":[140],"silicon":[141],"substrate,":[142],"enabling":[143],"fast":[144],"readout,":[145],"upper":[152],"sapphire":[153],"interface":[154],"ensures":[155],"strong":[156],"qubit\u2013cavity":[157],"interaction,":[158],"without":[159],"mixed-coupling":[160],"artifacts.":[161],"High-fidelity":[162],"mixed":[163],"electromagnetic":[164],"circuit-level":[166],"modeling":[167],"predicts":[168],"intrinsic-":[170],"exceeding":[172],"$10^{8}$":[173],"at":[174,221],"5554.5":[175],"MHz.":[176],"asymmetric":[179],"DC-SQUID":[180],"dynamic":[183],"external-":[184],"reconfiguration":[186],"from":[187],"$10^{9}$":[188],"(memory":[189],"mode)":[190],"$10^{4}$":[192],"(readout":[193],"mode).":[194],"When":[195],"coupled":[196],"6981.7":[199],"MHz":[200],"transmon":[201],"qubit,":[202],"provides":[205],"nearly":[207],"six-order-of-magnitude":[208],"Purcell-limited":[210],"qubit":[211],"lifetime":[212],"improvement":[213],"achieves":[215],"66":[216],"$\\%$":[217],"efficiency":[220],"1":[222],"ms":[223],"under":[224],"realistic":[225],"assumptions.":[227],"These":[228],"results":[230],"show":[231],"seamless,":[235],"capacitively":[236],"can":[239],"as":[241],"promising,":[243],"high-coherence,":[244],"rapidly":[246],"reconfigurable":[247],"platform":[248],"for":[249],"scalable":[250],"systems.":[253]},"counts_by_year":[],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2026-09-01T00:00:00"}
