{"id":"https://openalex.org/W7220833903","doi":"https://doi.org/10.1103/594z-74r2","title":"Chip-to-chip entanglement distribution over an 80-km multicore fiber link","display_name":"Chip-to-chip entanglement distribution over an 80-km multicore fiber link","publication_year":2026,"publication_date":"2026-10-07","ids":{"openalex":"https://openalex.org/W7220833903","doi":"https://doi.org/10.1103/594z-74r2"},"language":"en","primary_location":{"id":"doi:10.1103/594z-74r2","doi":"https://doi.org/10.1103/594z-74r2","is_oa":true,"landing_page_url":"https://doi.org/10.1103/594z-74r2","pdf_url":null,"source":{"id":"https://openalex.org/S4210195673","display_name":"PRX Quantum","issn_l":"2691-3399","issn":["2691-3399"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-a","jufo-2","norway-1","oarl","poland-20","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"PRX Quantum","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["arxiv","crossref","datacite","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1103/594z-74r2","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5134892690","display_name":"Damien Roux","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Damien Roux","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5092612048","display_name":"Giulia Guarda","orcid":"https://orcid.org/0009-0008-4194-9251","observed_orcids":["https://orcid.org/0009-0008-4194-9251"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Giulia Guarda","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055625187","display_name":"Mujtaba Zahidy","orcid":"https://orcid.org/0000-0003-0025-3983","observed_orcids":["https://orcid.org/0000-0003-0025-3983"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mujtaba Zahidy","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160089140","display_name":"Yunhong Ding","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yunhong Ding","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160105582","display_name":"Siyan Zhou","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Siyan Zhou","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053403438","display_name":"Domenico Ribezzo","orcid":"https://orcid.org/0000-0001-5249-8339","observed_orcids":["https://orcid.org/0000-0001-5249-8339"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Domenico Ribezzo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086172988","display_name":"Battulga Munkhbat","orcid":"https://orcid.org/0000-0002-1923-0960","observed_orcids":["https://orcid.org/0000-0002-1923-0960"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Battulga Munkhbat","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160122902","display_name":"Francesco Da Ros","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Francesco Da Ros","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081574616","display_name":"Davide Bacco","orcid":"https://orcid.org/0000-0002-7757-4331","observed_orcids":["https://orcid.org/0000-0002-7757-4331"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Davide Bacco","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5002121491","display_name":"Caterina Vigliar","orcid":"https://orcid.org/0000-0002-0710-5986","observed_orcids":["https://orcid.org/0000-0002-0710-5986"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Caterina Vigliar","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3450,"currency":"USD","value_usd":3450},"apc_paid":{"value":3450,"currency":"USD","value_usd":3450},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.63144957,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":0.9990000128746033,"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":0.9990000128746033,"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/T10022","display_name":"Semiconductor Quantum Structures and Devices","score":9.999999747378752e-05,"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":9.999999747378752e-05,"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/entanglement-distribution","display_name":"entanglement distribution","score":0.7649999856948853},{"id":"https://openalex.org/keywords/quantum-key-distribution","display_name":"quantum key distribution","score":0.8040000200271606},{"id":"https://openalex.org/keywords/silicon-photonics","display_name":"silicon photonics","score":0.871999979019165},{"id":"https://openalex.org/keywords/spontaneous-four-wave-mixing","display_name":"spontaneous four-wave mixing","score":0.859000027179718},{"id":"https://openalex.org/keywords/spiral-waveguide","display_name":"spiral waveguide","score":0.902999997138977},{"id":"https://openalex.org/keywords/bell-state-fidelity","display_name":"Bell state fidelity","score":0.8510000109672546},{"id":"https://openalex.org/keywords/bbm92-protocol","display_name":"BBM92 protocol","score":0.9789999723434448}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5321000218391418},{"id":"https://openalex.org/C121040770","wikidata":"https://www.wikidata.org/wiki/Q215675","display_name":"Quantum entanglement","level":3,"score":0.4943000078201294},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4832000136375427},{"id":"https://openalex.org/C2778753846","wikidata":"https://www.wikidata.org/wiki/Q6554239","display_name":"Link (geometry)","level":2,"score":0.4429999887943268},{"id":"https://openalex.org/C519885992","wikidata":"https://www.wikidata.org/wiki/Q161","display_name":"Fiber","level":2,"score":0.4219000041484833},{"id":"https://openalex.org/C110121322","wikidata":"https://www.wikidata.org/wiki/Q865811","display_name":"Distribution (mathematics)","level":2,"score":0.3885999917984009},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3725999891757965},{"id":"https://openalex.org/C194232370","wikidata":"https://www.wikidata.org/wiki/Q162","display_name":"Optical fiber","level":2,"score":0.33880001306533813},{"id":"https://openalex.org/C19819980","wikidata":"https://www.wikidata.org/wiki/Q947542","display_name":"Beam splitter","level":3,"score":0.3197999894618988},{"id":"https://openalex.org/C95466800","wikidata":"https://www.wikidata.org/wiki/Q1027298","display_name":"Quantum key distribution","level":3,"score":0.3172000050544739},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.3154999911785126},{"id":"https://openalex.org/C78766204","wikidata":"https://www.wikidata.org/wiki/Q555032","display_name":"Multi-core processor","level":2,"score":0.31040000915527344},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.304500013589859},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2921000123023987},{"id":"https://openalex.org/C101645829","wikidata":"https://www.wikidata.org/wiki/Q1781857","display_name":"Multi-mode optical fiber","level":3,"score":0.2883000075817108},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.2833999991416931},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.28119999170303345},{"id":"https://openalex.org/C45747243","wikidata":"https://www.wikidata.org/wiki/Q7209154","display_name":"Polarization-maintaining optical fiber","level":4,"score":0.27379998564720154},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.267300009727478}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1103/594z-74r2","doi":"https://doi.org/10.1103/594z-74r2","is_oa":true,"landing_page_url":"https://doi.org/10.1103/594z-74r2","pdf_url":null,"source":{"id":"https://openalex.org/S4210195673","display_name":"PRX Quantum","issn_l":"2691-3399","issn":["2691-3399"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-a","jufo-2","norway-1","oarl","poland-20","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"PRX Quantum","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2604.26791","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2604.26791","pdf_url":"https://arxiv.org/pdf/2604.26791","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2604.26791","doi":"https://doi.org/10.48550/arxiv.2604.26791","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.26791","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.1103/594z-74r2","doi":"https://doi.org/10.1103/594z-74r2","is_oa":true,"landing_page_url":"https://doi.org/10.1103/594z-74r2","pdf_url":null,"source":{"id":"https://openalex.org/S4210195673","display_name":"PRX Quantum","issn_l":"2691-3399","issn":["2691-3399"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-a","jufo-2","norway-1","oarl","poland-20","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"PRX Quantum","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G1865781488","display_name":"Quantum photonic integrated circuits at 1550 nm","funder_award_id":"101135785","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G1995682532","display_name":null,"funder_award_id":"101070195","funder_id":"https://openalex.org/F4320334322","funder_display_name":"HORIZON EUROPE Framework Programme"},{"id":"https://openalex.org/G3337621566","display_name":"PROgraMmable integrated photonic nEuromorphic and quanTum networks for High-speed imaging, communications and sEcUrity applicationS","funder_award_id":"101070195","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G4446895428","display_name":null,"funder_award_id":"101091659","funder_id":"https://openalex.org/F4320334322","funder_display_name":"HORIZON EUROPE Framework Programme"},{"id":"https://openalex.org/G5524467964","display_name":null,"funder_award_id":"101135785","funder_id":"https://openalex.org/F4320334322","funder_display_name":"HORIZON EUROPE Framework Programme"},{"id":"https://openalex.org/G6209618070","display_name":null,"funder_award_id":"101091659","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G7511388820","display_name":null,"funder_award_id":"101077917","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G939566852","display_name":null,"funder_award_id":"VIL29344","funder_id":"https://openalex.org/F4320310490","funder_display_name":"Villum Fonden"}],"funders":[{"id":"https://openalex.org/F4320310490","display_name":"Villum Fonden","ror":"https://ror.org/007ww2d15"},{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320322436","display_name":"Novo Nordisk","ror":"https://ror.org/0435rc536"},{"id":"https://openalex.org/F4320334322","display_name":"HORIZON EUROPE Framework Programme","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7220833903.pdf","grobid_xml":"https://content.openalex.org/works/W7220833903.grobid-xml"},"referenced_works_count":1,"referenced_works":["https://openalex.org/W1859398182"],"related_works":["https://openalex.org/W1483083640","https://openalex.org/W3110908543","https://openalex.org/W7158869456","https://openalex.org/W2097528045","https://openalex.org/W4412748393","https://openalex.org/W4402188810","https://openalex.org/W4377082493","https://openalex.org/W4402207591","https://openalex.org/W2317050029","https://openalex.org/W7130417541"],"abstract_inverted_index":{"Long-range":[0],"quantum":[1,8,17,142,151],"entanglement":[2,44],"is":[3],"essential":[4],"for":[5,138],"building":[6],"large-scale":[7],"networks":[9],"and":[10,66,83],"unconditionally":[11],"secure":[12,118],"cryptographic":[13],"systems":[14],"based":[15],"on":[16],"key":[18,119,143],"distribution":[19,41,52],"(QKD).":[20],"While":[21],"photonic":[22,64,132],"integrated":[23,62],"circuits":[24],"offer":[25],"a":[26,88,98,117,135],"highly":[27],"scalable":[28],"platform,":[29],"the":[30,40,108,112,125,146],"fragility":[31],"of":[32,42,53,102,121],"phase":[33],"coherence":[34],"between":[35,60,85],"spatial":[36],"modes":[37],"has":[38],"prevented":[39],"path-encoded":[43,54,140],"over":[45,57,87],"long":[46],"distances.":[47],"Here,":[48],"we":[49,96,115],"report":[50],"chip-to-chip":[51],"entangled":[55,70],"states":[56],"80":[58],"km":[59],"fully":[61],"silicon":[63,131],"transmitter":[65],"receiver":[67],"chips.":[68],"Telecom-band":[69],"photon":[71],"pairs":[72],"are":[73],"generated":[74],"via":[75],"spontaneous":[76],"four-wave":[77],"mixing":[78],"in":[79,124],"on-chip":[80],"spiral":[81],"waveguides":[82],"distributed":[84],"chips":[86,133],"dual-core,":[89],"actively":[90],"stabilized":[91],"fiber":[92],"link.":[93],"Upon":[94],"distribution,":[95,144],"measure":[97],"Bell":[99],"state":[100],"fidelity":[101],"$85.7":[103],"\\pm":[104],"0.2":[105],"\\%$.":[106],"Implementing":[107],"BBM92":[109],"protocol":[110],"with":[111],"same":[113],"source,":[114],"obtain":[116],"rate":[120],"2.03":[122],"bit/s":[123],"infinite-key":[126],"regime.":[127],"These":[128],"results":[129],"establish":[130],"as":[134],"viable":[136],"platform":[137],"long-distance":[139],"entanglement-based":[141],"paving":[145],"way":[147],"toward":[148],"scalable,":[149],"device-independent":[150],"networks.":[152]},"counts_by_year":[],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2026-10-08T00:00:00"}