{"id":"https://openalex.org/W3170067174","doi":"https://doi.org/10.3390/rs13112182","title":"Cascaded Microwave Frequency Transfer over 300-km Fiber Link with Instability at the 10\u221218 Level","display_name":"Cascaded Microwave Frequency Transfer over 300-km Fiber Link with Instability at the 10\u221218 Level","publication_year":2021,"publication_date":"2021-06-03","ids":{"openalex":"https://openalex.org/W3170067174","doi":"https://doi.org/10.3390/rs13112182","mag":"3170067174"},"language":"en","primary_location":{"id":"doi:10.3390/rs13112182","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13112182","pdf_url":"https://www.mdpi.com/2072-4292/13/11/2182/pdf?version=1622712649","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/13/11/2182/pdf?version=1622712649","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5059890739","display_name":"Wenxiang Xue","orcid":"https://orcid.org/0000-0002-6483-5272"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210093645","display_name":"National Time Service Center","ror":"https://ror.org/00655qp86","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210093645"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenxiang Xue","raw_affiliation_strings":["Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi\u2019an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China","Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi'an 710600, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi\u2019an 710600, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]},{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101553622","display_name":"Wenyu Zhao","orcid":"https://orcid.org/0000-0003-3365-621X"},"institutions":[{"id":"https://openalex.org/I4210093645","display_name":"National Time Service Center","ror":"https://ror.org/00655qp86","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210093645"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wenyu Zhao","raw_affiliation_strings":["Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi\u2019an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi'an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi\u2019an 710600, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054803554","display_name":"Honglei Quan","orcid":"https://orcid.org/0000-0002-9522-3228"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]},{"id":"https://openalex.org/I4210093645","display_name":"National Time Service Center","ror":"https://ror.org/00655qp86","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210093645"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Honglei Quan","raw_affiliation_strings":["Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi\u2019an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049, China","Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi'an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi\u2019an 710600, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]},{"raw_affiliation_string":"School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109678564","display_name":"Xing Yan","orcid":"https://orcid.org/0000-0003-2962-467X"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210093645","display_name":"National Time Service Center","ror":"https://ror.org/00655qp86","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210093645"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Xing","raw_affiliation_strings":["Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi\u2019an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi'an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi\u2019an 710600, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5020219727","display_name":"Shougang Zhang","orcid":"https://orcid.org/0000-0002-4326-0713"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210093645","display_name":"National Time Service Center","ror":"https://ror.org/00655qp86","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210093645"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shougang Zhang","raw_affiliation_strings":["Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi\u2019an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi'an 710600, China","National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi\u2019an 710600, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi\u2019an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I19820366"]},{"raw_affiliation_string":"National Time Service Center, Chinese Academy of Sciences, Xi'an 710600, China","institution_ids":["https://openalex.org/I4210093645","https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5101553622"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210093645"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":1.65,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.8390508,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"13","issue":"11","first_page":"2182","last_page":"2182"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12004","display_name":"Advanced Frequency and Time Standards","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9991999864578247,"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/T10425","display_name":"Cold Atom Physics and Bose-Einstein Condensates","score":0.998199999332428,"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/microwave","display_name":"Microwave","score":0.6785366535186768},{"id":"https://openalex.org/keywords/instability","display_name":"Instability","score":0.603454053401947},{"id":"https://openalex.org/keywords/time-transfer","display_name":"Time transfer","score":0.5754519701004028},{"id":"https://openalex.org/keywords/transfer-function","display_name":"Transfer function","score":0.47140148282051086},{"id":"https://openalex.org/keywords/microwave-transmission","display_name":"Microwave transmission","score":0.4690297842025757},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.4613194167613983},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.44254356622695923},{"id":"https://openalex.org/keywords/transfer","display_name":"Transfer (computing)","score":0.423265278339386},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.4216262698173523},{"id":"https://openalex.org/keywords/materials-science","display_name":"Materials science","score":0.32434260845184326},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2631057798862457},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.25737500190734863},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.1831945776939392},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.166518896818161},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08251044154167175}],"concepts":[{"id":"https://openalex.org/C44838205","wikidata":"https://www.wikidata.org/wiki/Q127995","display_name":"Microwave","level":2,"score":0.6785366535186768},{"id":"https://openalex.org/C207821765","wikidata":"https://www.wikidata.org/wiki/Q405372","display_name":"Instability","level":2,"score":0.603454053401947},{"id":"https://openalex.org/C127568405","wikidata":"https://www.wikidata.org/wiki/Q7805271","display_name":"Time transfer","level":3,"score":0.5754519701004028},{"id":"https://openalex.org/C81299745","wikidata":"https://www.wikidata.org/wiki/Q334269","display_name":"Transfer function","level":2,"score":0.47140148282051086},{"id":"https://openalex.org/C1705053","wikidata":"https://www.wikidata.org/wiki/Q747066","display_name":"Microwave transmission","level":3,"score":0.4690297842025757},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.4613194167613983},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.44254356622695923},{"id":"https://openalex.org/C2776175482","wikidata":"https://www.wikidata.org/wiki/Q1195816","display_name":"Transfer (computing)","level":2,"score":0.423265278339386},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.4216262698173523},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.32434260845184326},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2631057798862457},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.25737500190734863},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.1831945776939392},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.166518896818161},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08251044154167175},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.0},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs13112182","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13112182","pdf_url":"https://www.mdpi.com/2072-4292/13/11/2182/pdf?version=1622712649","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:0ccb7f84bb4b4f588b8d8443615abbfa","is_oa":true,"landing_page_url":"https://doaj.org/article/0ccb7f84bb4b4f588b8d8443615abbfa","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 13, Iss 11, p 2182 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/13/11/2182/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs13112182","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"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":"Remote Sensing; Volume 13; Issue 11; Pages: 2182","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs13112182","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13112182","pdf_url":"https://www.mdpi.com/2072-4292/13/11/2182/pdf?version=1622712649","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.5699999928474426}],"awards":[{"id":"https://openalex.org/G2935626672","display_name":null,"funder_award_id":"29202082","funder_id":"https://openalex.org/F4320328015","funder_display_name":"West Light Foundation of the Chinese Academy of Sciences"},{"id":"https://openalex.org/G4282635256","display_name":null,"funder_award_id":"91536217","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6637906164","display_name":null,"funder_award_id":"61825505","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320328015","display_name":"West Light Foundation of the Chinese Academy of Sciences","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3170067174.pdf","grobid_xml":"https://content.openalex.org/works/W3170067174.grobid-xml"},"referenced_works_count":42,"referenced_works":["https://openalex.org/W1582644021","https://openalex.org/W1955304198","https://openalex.org/W1963613038","https://openalex.org/W1971785090","https://openalex.org/W1972168786","https://openalex.org/W1974674145","https://openalex.org/W1983772291","https://openalex.org/W1992177849","https://openalex.org/W2015605333","https://openalex.org/W2015715363","https://openalex.org/W2022520975","https://openalex.org/W2026049643","https://openalex.org/W2031450899","https://openalex.org/W2039485236","https://openalex.org/W2039977020","https://openalex.org/W2081063598","https://openalex.org/W2101141052","https://openalex.org/W2107675253","https://openalex.org/W2125812687","https://openalex.org/W2159646889","https://openalex.org/W2164896909","https://openalex.org/W2168515134","https://openalex.org/W2334840718","https://openalex.org/W2467877552","https://openalex.org/W2468807876","https://openalex.org/W2551614332","https://openalex.org/W2566922547","https://openalex.org/W2599601982","https://openalex.org/W2606479865","https://openalex.org/W2611748088","https://openalex.org/W2791228270","https://openalex.org/W2807167512","https://openalex.org/W2888449445","https://openalex.org/W3014703340","https://openalex.org/W3043758683","https://openalex.org/W3098442705","https://openalex.org/W3098510851","https://openalex.org/W3099156086","https://openalex.org/W3099800214","https://openalex.org/W3100020490","https://openalex.org/W3105107575","https://openalex.org/W3106741711"],"related_works":["https://openalex.org/W2799884807","https://openalex.org/W4385457275","https://openalex.org/W4385457220","https://openalex.org/W2030466550","https://openalex.org/W4368754967","https://openalex.org/W276212245","https://openalex.org/W2193384003","https://openalex.org/W2006415694","https://openalex.org/W2972118296","https://openalex.org/W2003511229"],"abstract_inverted_index":{"Comparing":[0],"and":[1,20,56,103,166],"synchronizing":[2],"atomic":[3],"clocks":[4],"between":[5],"distant":[6],"laboratories":[7],"with":[8,112],"ultra-stable":[9],"frequency":[10,27,48,71,130,153,199],"transfer":[11,28,49,62,72,89,131,148,157],"are":[12,34],"essential":[13],"procedures":[14],"in":[15],"many":[16,40],"fields":[17],"of":[18,39,54,74,115,126,139,159,186,201,211],"fundamental":[19],"applied":[21],"science.":[22],"Existing":[23],"conventional":[24],"methods":[25],"for":[26,36,69,92,173],"based":[29],"on":[30],"satellite":[31],"links,":[32],"however,":[33],"insufficient":[35],"the":[37,93,113,124,127,156,187,202,208],"requirements":[38],"applications.":[41],"In":[42],"order":[43],"to":[44,57,122,133,147],"achieve":[45],"high-precision":[46],"microwave":[47,61,70,94,129,152],"over":[50],"a":[51,59,66,174],"thousand":[52],"kilometers":[53],"fiber":[55,79],"construct":[58],"fiber-based":[60,128],"network,":[63],"we":[64],"propose":[65],"cascaded":[67,141,189,203],"system":[68],"consisting":[73],"three":[75],"100-km":[76],"single-span":[77,213],"spooled":[78],"links":[80],"using":[81,136],"an":[82],"improved":[83],"electronic":[84],"phase":[85,181],"compensation":[86],"scheme.":[87],"The":[88,179,197],"instability":[90,158],"measured":[91,191],"signal":[95,176],"reaches":[96],"1.1":[97],"\u00d7":[98,105,161,168],"10\u221214":[99],"at":[100,107,163,170,192],"1":[101,164],"s":[102,165,172],"6.8":[104],"10\u221218":[106,169],"105":[108,171],"s,":[109],"which":[110,143],"agrees":[111],"root-sum-square":[114],"each":[116],"span":[117],"contribution.":[118],"It":[119],"is":[120,144,177,194,205],"feasible":[121],"extend":[123],"length":[125],"up":[132],"1200":[134],"km":[135],"4":[137],"stages":[138],"our":[140],"system,":[142],"still":[145],"sufficient":[146],"modern":[149],"cold":[150],"atom":[151],"standards.":[154],"Moreover,":[155],"9.0":[160,167],"10\u221215":[162],"100-MHz":[175,193],"achieved.":[178],"residual":[180],"noise":[182],"power":[183],"spectral":[184],"density":[185],"300-km":[188],"link":[190,204],"also":[195],"obtained.":[196],"rejection":[198],"bandwidth":[200],"limited":[206],"by":[207],"propagation":[209],"delay":[210],"one":[212],"link.":[214]},"counts_by_year":[{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":2}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2021-06-22T00:00:00"}