{"id":"https://openalex.org/W4388052689","doi":"https://doi.org/10.1109/tmtt.2023.3326482","title":"Mode Suppression and Homogeneous Field Bandwidth Enhancement of a Tuning-Free Micro-Loop-Gap Resonator Using FR4 for Chip-Scale Rubidium Clock","display_name":"Mode Suppression and Homogeneous Field Bandwidth Enhancement of a Tuning-Free Micro-Loop-Gap Resonator Using FR4 for Chip-Scale Rubidium Clock","publication_year":2023,"publication_date":"2023-10-31","ids":{"openalex":"https://openalex.org/W4388052689","doi":"https://doi.org/10.1109/tmtt.2023.3326482"},"language":"en","primary_location":{"id":"doi:10.1109/tmtt.2023.3326482","doi":"https://doi.org/10.1109/tmtt.2023.3326482","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmtt.2023.3326482","pdf_url":null,"source":{"id":"https://openalex.org/S198879913","display_name":"IEEE Transactions on Microwave Theory and Techniques","issn_l":"0018-9480","issn":["0018-9480","1557-9670"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-1","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320754","host_organization_name":"IEEE Microwave Theory and Techniques Society","host_organization_lineage":["https://openalex.org/P4310320754"],"host_organization_lineage_names":["IEEE Microwave Theory and Techniques Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Microwave Theory and Techniques","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://infoscience.epfl.ch/handle/20.500.14299/204259","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5003273651","display_name":"Yuanyan Su","orcid":"https://orcid.org/0000-0003-3685-6903","observed_orcids":["https://orcid.org/0000-0003-3685-6903"]},"institutions":[{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Yuanyan Su","raw_affiliation_strings":["Microwave and Antenna Group (MAG), &#x00C9;cole Polytechnique F&#x00E9;d&#x00E9;rale de Lausanne (EPFL), Lausanne, Switzerland"],"raw_orcid":"https://orcid.org/0000-0003-3685-6903","affiliations":[{"raw_affiliation_string":"Microwave and Antenna Group (MAG), &#x00C9;cole Polytechnique F&#x00E9;d&#x00E9;rale de Lausanne (EPFL), Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025840385","display_name":"Matthieu Pellaton","orcid":"https://orcid.org/0000-0003-4199-6935","observed_orcids":["https://orcid.org/0000-0003-4199-6935"]},"institutions":[{"id":"https://openalex.org/I57825437","display_name":"University of Neuch\u00e2tel","ror":"https://ror.org/00vasag41","country_code":"CH","type":"education","lineage":["https://openalex.org/I57825437"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Matthieu Pellaton","raw_affiliation_strings":["Laboratoire Temps-Fr&#x00E9;quence, University of Neuch&#x00E2;tel, Neuch&#x00E2;tel, Switzerland"],"raw_orcid":"https://orcid.org/0000-0003-4199-6935","affiliations":[{"raw_affiliation_string":"Laboratoire Temps-Fr&#x00E9;quence, University of Neuch&#x00E2;tel, Neuch&#x00E2;tel, Switzerland","institution_ids":["https://openalex.org/I57825437"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071774358","display_name":"C. Affolderbach","orcid":"https://orcid.org/0000-0003-0733-2991","observed_orcids":["https://orcid.org/0000-0003-0733-2991"]},"institutions":[{"id":"https://openalex.org/I57825437","display_name":"University of Neuch\u00e2tel","ror":"https://ror.org/00vasag41","country_code":"CH","type":"education","lineage":["https://openalex.org/I57825437"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Christoph Affolderbach","raw_affiliation_strings":["Laboratoire Temps-Fr&#x00E9;quence, University of Neuch&#x00E2;tel, Neuch&#x00E2;tel, Switzerland"],"raw_orcid":"https://orcid.org/0000-0003-0733-2991","affiliations":[{"raw_affiliation_string":"Laboratoire Temps-Fr&#x00E9;quence, University of Neuch&#x00E2;tel, Neuch&#x00E2;tel, Switzerland","institution_ids":["https://openalex.org/I57825437"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065715101","display_name":"G. Mileti","orcid":"https://orcid.org/0000-0002-9020-3674","observed_orcids":["https://orcid.org/0000-0002-9020-3674"]},"institutions":[{"id":"https://openalex.org/I57825437","display_name":"University of Neuch\u00e2tel","ror":"https://ror.org/00vasag41","country_code":"CH","type":"education","lineage":["https://openalex.org/I57825437"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Gaetano Mileti","raw_affiliation_strings":["Laboratoire Temps-Fr&#x00E9;quence, University of Neuch&#x00E2;tel, Neuch&#x00E2;tel, Switzerland"],"raw_orcid":"https://orcid.org/0000-0002-9020-3674","affiliations":[{"raw_affiliation_string":"Laboratoire Temps-Fr&#x00E9;quence, University of Neuch&#x00E2;tel, Neuch&#x00E2;tel, Switzerland","institution_ids":["https://openalex.org/I57825437"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023341538","display_name":"Anja K. Skrivervik","orcid":"https://orcid.org/0000-0002-5931-6400","observed_orcids":["https://orcid.org/0000-0002-5931-6400"]},"institutions":[{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Anja K. Skrivervik","raw_affiliation_strings":["Microwave and Antenna Group (MAG), &#x00C9;cole Polytechnique F&#x00E9;d&#x00E9;rale de Lausanne (EPFL), Lausanne, Switzerland"],"raw_orcid":"https://orcid.org/0000-0002-5931-6400","affiliations":[{"raw_affiliation_string":"Microwave and Antenna Group (MAG), &#x00C9;cole Polytechnique F&#x00E9;d&#x00E9;rale de Lausanne (EPFL), Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2345,"currency":"USD","value_usd":2345},"apc_paid":null,"fwci":0.5814,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.58485852,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"72","issue":"6","first_page":"3711","last_page":"3721"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12004","display_name":"Advanced Frequency and Time Standards","score":0.9878000020980835,"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/T12004","display_name":"Advanced Frequency and Time Standards","score":0.9878000020980835,"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/T11993","display_name":"Atomic and Subatomic Physics Research","score":0.0052999998442828655,"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":0.000699999975040555,"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/chip-scale-atomic-clock","display_name":"chip-scale atomic clock","score":0.7730000019073486},{"id":"https://openalex.org/keywords/rubidium-clock","display_name":"rubidium atomic clock","score":0.9039999842643738},{"id":"https://openalex.org/keywords/mode-suppression","display_name":"mode suppression","score":0.6579999923706055},{"id":"https://openalex.org/keywords/magnetic-field-homogeneity","display_name":"magnetic field homogeneity","score":0.7440000176429749},{"id":"https://openalex.org/keywords/fr-4-substrate","display_name":"FR4 substrate","score":0.7580000162124634},{"id":"https://openalex.org/keywords/te011-mode","display_name":"TE011 mode","score":0.765999972820282},{"id":"https://openalex.org/keywords/impedance-bandwidth","display_name":"impedance bandwidth","score":0.49900001287460327}],"concepts":[{"id":"https://openalex.org/C97126364","wikidata":"https://www.wikidata.org/wiki/Q349669","display_name":"Resonator","level":2,"score":0.5684176683425903},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.477657675743103},{"id":"https://openalex.org/C165005293","wikidata":"https://www.wikidata.org/wiki/Q1074500","display_name":"Chip","level":2,"score":0.4745175242424011},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3779495656490326},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.36116957664489746},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.350608766078949},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.34951668977737427},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3216734826564789},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.29737210273742676},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2234470248222351},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.1986173689365387},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.130766361951828}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tmtt.2023.3326482","doi":"https://doi.org/10.1109/tmtt.2023.3326482","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmtt.2023.3326482","pdf_url":null,"source":{"id":"https://openalex.org/S198879913","display_name":"IEEE Transactions on Microwave Theory and Techniques","issn_l":"0018-9480","issn":["0018-9480","1557-9670"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-1","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320754","host_organization_name":"IEEE Microwave Theory and Techniques Society","host_organization_lineage":["https://openalex.org/P4310320754"],"host_organization_lineage_names":["IEEE Microwave Theory and Techniques Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Microwave Theory and Techniques","raw_type":"journal-article"},{"id":"pmh:oai:infoscience.epfl.ch:308168","doi":null,"is_oa":true,"landing_page_url":"https://infoscience.epfl.ch/handle/20.500.14299/204259","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I5124864","host_organization_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","host_organization_lineage":["https://openalex.org/I5124864"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"WoS","raw_type":"research article"}],"best_oa_location":{"id":"pmh:oai:infoscience.epfl.ch:308168","doi":null,"is_oa":true,"landing_page_url":"https://infoscience.epfl.ch/handle/20.500.14299/204259","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I5124864","host_organization_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","host_organization_lineage":["https://openalex.org/I5124864"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"WoS","raw_type":"research article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W48590271","https://openalex.org/W213772155","https://openalex.org/W401411287","https://openalex.org/W998239341","https://openalex.org/W1485615962","https://openalex.org/W1511964021","https://openalex.org/W1592103964","https://openalex.org/W1592659620","https://openalex.org/W1964395545","https://openalex.org/W1969190668","https://openalex.org/W1984765693","https://openalex.org/W1994083546","https://openalex.org/W2000107823","https://openalex.org/W2004193036","https://openalex.org/W2007753867","https://openalex.org/W2019818641","https://openalex.org/W2023475511","https://openalex.org/W2040725960","https://openalex.org/W2049582906","https://openalex.org/W2052239931","https://openalex.org/W2081735715","https://openalex.org/W2085161263","https://openalex.org/W2090163926","https://openalex.org/W2094364880","https://openalex.org/W2095769083","https://openalex.org/W2106650683","https://openalex.org/W2110804907","https://openalex.org/W2115660089","https://openalex.org/W2118236370","https://openalex.org/W2120007399","https://openalex.org/W2122096756","https://openalex.org/W2143235200","https://openalex.org/W2399000632","https://openalex.org/W2486429443","https://openalex.org/W2761819151","https://openalex.org/W2766124394","https://openalex.org/W2800704198","https://openalex.org/W2847600020","https://openalex.org/W3026890934","https://openalex.org/W4281637699","https://openalex.org/W4291700605","https://openalex.org/W4308995085","https://openalex.org/W4377709773","https://openalex.org/W4403308873"],"related_works":["https://openalex.org/W4377709773","https://openalex.org/W2081735715","https://openalex.org/W4403723827","https://openalex.org/W7131645748","https://openalex.org/W2048153239","https://openalex.org/W4413886176","https://openalex.org/W2896310027","https://openalex.org/W2323127538","https://openalex.org/W1542542902","https://openalex.org/W2799102200"],"abstract_inverted_index":{"We":[0],"propose":[1],"strategies":[2],"for":[3,49,59,93,192,235],"the":[4,19,40,44,57,73,85,94,102,108,126,131,138,148,204,212,216,228,236],"design":[5],"of":[6,18,84,104,110,130,137,175,203],"a":[7,23,27,119,153,171,200,220],"tuning-free":[8],"micro-loop-gap":[9],"resonator":[10],"($\\mu$-LGR)":[11],"that":[12,147,215],"provides":[13],"high":[14,28,98],"magnetic":[15],"field":[16,29],"homogeneity":[17],"TE$_{011}$-like":[20],"mode":[21],"over":[22,152],"broad":[24],"bandwidth":[25,69,121,157],"with":[26,164],"orientation":[30],"factor":[31,174],"(FOF).":[32],"This":[33],"broadband":[34],"feature":[35],"allows":[36],"it":[37],"to":[38,101,188,231],"fulfill":[39],"FOF":[41,68,117],"requirement":[42],"at":[43,167,223],"precise":[45],"6.835":[46,224],"GHz":[47,169],"resonance":[48,166],"chip-scale":[50,206],"double-resonance":[51],"(DR)":[52],"rubidium":[53],"(Rb)":[54],"clocks":[55],"without":[56],"need":[58],"any":[60],"mechanical":[61],"or":[62],"electrical":[63],"frequency":[64],"tuning":[65,105],"means.":[66],"The":[67,135],"expansion":[70],"mechanism":[71],"manipulates":[72],"unwanted":[74],"side":[75],"modes":[76],"by":[77,89],"using":[78],"perturbation":[79],"theory":[80],"and":[81,107,124,142,170],"distinct":[82],"properties":[83],"FR4":[86],"substrate":[87],"characterized":[88],"an":[90],"accurate":[91],"method":[92],"long-term":[95],"stabilities":[96],"in":[97,118,181],"temperatures.":[99],"Thanks":[100],"absence":[103],"components":[106],"usage":[109],"lossy":[111],"FR4,":[112],"this":[113],"new$\\mu$-LGR":[114],"achieves":[115],"better":[116],"wide":[120],"of$\\sim$550":[122],"MHz":[123,155],"simplifies":[125],"physics":[127],"package":[128],"(PP)":[129],"entire":[132],"clock":[133,208,237],"system.":[134],"measured$S$-parameters":[136],"fabricated$\\mu":[139],"$-LGR":[140],"prototype":[141],"its":[143],"cavity-cell":[144],"assembly":[145],"validate":[146],"cell-loaded$\\mu$-LGR":[149],"can":[150,218],"operate":[151],"128":[154],"impedance":[156],"of$\\vert":[158],"S_{11}":[159],"\\vert":[160],"<":[161],"-10$dB":[162],"at$\\sim$109$^{\\circ}$C,":[163],"strong":[165],"6.83":[168],"loaded":[172],"quality":[173],"12.7":[176],"which":[177],"does":[178],"not":[179],"result":[180],"reduced":[182],"signal":[183],"strength":[184],"but":[185],"is":[186],"advantageous":[187],"alleviating":[189],"cavity":[190],"pulling":[191],"optically":[193],"detected":[194],"passive":[195],"DR":[196],"Rb":[197],"clocks.":[198],"Moreover,":[199],"spectroscopic":[201],"experiment":[202],"developed":[205],"atomic":[207],"(CSAC)":[209],"based":[210],"on":[211],"proposed$\\mu$-LGR":[213],"verifies":[214],"tuning-free$\\mu$-LGR":[217],"obtain":[219],"FOF$_{\\text{exp}}$of":[221],"0.75":[222],"GHz,":[225],"therefore":[226],"guaranteeing":[227],"atom":[229],"transition":[230],"be":[232],"well":[233],"excited":[234],"operation.":[238]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2023-11-01T00:00:00"}
