{"id":"https://openalex.org/W2071746343","doi":"https://doi.org/10.1364/ol.40.000922","title":"Nonclassical correlations between terahertz-bandwidth photons mediated by rotational quanta in hydrogen molecules","display_name":"Nonclassical correlations between terahertz-bandwidth photons mediated by rotational quanta in hydrogen molecules","publication_year":2015,"publication_date":"2015-03-03","ids":{"openalex":"https://openalex.org/W2071746343","doi":"https://doi.org/10.1364/ol.40.000922","mag":"2071746343","pmid":"https://pubmed.ncbi.nlm.nih.gov/25768147"},"language":"en","primary_location":{"id":"doi:10.1364/ol.40.000922","doi":"https://doi.org/10.1364/ol.40.000922","is_oa":false,"landing_page_url":"https://doi.org/10.1364/ol.40.000922","pdf_url":null,"source":{"id":"https://openalex.org/S134390580","display_name":"Optics Letters","issn_l":"0146-9592","issn":["0146-9592","1071-2763","1539-4794"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-2","ki-jl-2","medline","norway-2"],"host_organization":"https://openalex.org/P4310315679","host_organization_name":"Optica Publishing Group","host_organization_lineage":["https://openalex.org/P4310315679"],"host_organization_lineage_names":["Optica Publishing Group"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics Letters","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://nrc-publications.canada.ca/eng/view/ft/?id=15fb6c38-9e1c-4ff5-8212-bb6bb16e1f1c","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5040939577","display_name":"Philip J. Bustard","orcid":"https://orcid.org/0000-0002-5417-5389","observed_orcids":["https://orcid.org/0000-0002-5417-5389"]},"institutions":[{"id":"https://openalex.org/I4210159778","display_name":"National Research Council Canada","ror":"https://ror.org/04mte1k06","country_code":"CA","type":"government","lineage":["https://openalex.org/I4210159778"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Philip J. Bustard","raw_affiliation_strings":["National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada ,","institution_ids":["https://openalex.org/I4210159778"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074624141","display_name":"Jennifer Erskine","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210159778","display_name":"National Research Council Canada","ror":"https://ror.org/04mte1k06","country_code":"CA","type":"government","lineage":["https://openalex.org/I4210159778"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Jennifer Erskine","raw_affiliation_strings":["National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada ,","institution_ids":["https://openalex.org/I4210159778"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088917477","display_name":"Duncan G. England","orcid":"https://orcid.org/0000-0002-9101-6897","observed_orcids":["https://orcid.org/0000-0002-9101-6897"]},"institutions":[{"id":"https://openalex.org/I4210159778","display_name":"National Research Council Canada","ror":"https://ror.org/04mte1k06","country_code":"CA","type":"government","lineage":["https://openalex.org/I4210159778"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Duncan G. England","raw_affiliation_strings":["National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada ,","institution_ids":["https://openalex.org/I4210159778"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111517184","display_name":"J. Nunn","orcid":"https://orcid.org/0000-0003-0517-0829","observed_orcids":["https://orcid.org/0000-0003-0517-0829"]},"institutions":[{"id":"https://openalex.org/I4210159778","display_name":"National Research Council Canada","ror":"https://ror.org/04mte1k06","country_code":"CA","type":"government","lineage":["https://openalex.org/I4210159778"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Josh Nunn","raw_affiliation_strings":["National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada ,","institution_ids":["https://openalex.org/I4210159778"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075656844","display_name":"Paul Hockett","orcid":"https://orcid.org/0000-0001-9561-8433","observed_orcids":["https://orcid.org/0000-0001-9561-8433"]},"institutions":[{"id":"https://openalex.org/I4210159778","display_name":"National Research Council Canada","ror":"https://ror.org/04mte1k06","country_code":"CA","type":"government","lineage":["https://openalex.org/I4210159778"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Paul Hockett","raw_affiliation_strings":["National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada ,","institution_ids":["https://openalex.org/I4210159778"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108141359","display_name":"Rune Lausten","orcid":"https://orcid.org/0000-0003-4203-7226","observed_orcids":["https://orcid.org/0000-0003-4203-7226"]},"institutions":[{"id":"https://openalex.org/I4210159778","display_name":"National Research Council Canada","ror":"https://ror.org/04mte1k06","country_code":"CA","type":"government","lineage":["https://openalex.org/I4210159778"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Rune Lausten","raw_affiliation_strings":["National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada ,","institution_ids":["https://openalex.org/I4210159778"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112626363","display_name":"Michael Spanner","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210159778","display_name":"National Research Council Canada","ror":"https://ror.org/04mte1k06","country_code":"CA","type":"government","lineage":["https://openalex.org/I4210159778"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Michael Spanner","raw_affiliation_strings":["National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada ,","institution_ids":["https://openalex.org/I4210159778"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043959469","display_name":"Benjamin Sussman","orcid":"https://orcid.org/0000-0002-0059-3358","observed_orcids":["https://orcid.org/0000-0002-0059-3358"]},"institutions":[{"id":"https://openalex.org/I4210159778","display_name":"National Research Council Canada","ror":"https://ror.org/04mte1k06","country_code":"CA","type":"government","lineage":["https://openalex.org/I4210159778"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Benjamin J. Sussman","raw_affiliation_strings":["National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada ,","institution_ids":["https://openalex.org/I4210159778"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210159778"],"apc_list":null,"apc_paid":null,"fwci":0.8521,"has_fulltext":true,"cited_by_count":21,"citation_normalized_percentile":{"value":0.72378102,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"40","issue":"6","first_page":"922","last_page":"922"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11414","display_name":"Quantum optics and atomic interactions","score":0.8682000041007996,"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/T11414","display_name":"Quantum optics and atomic interactions","score":0.8682000041007996,"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/T10020","display_name":"Quantum Information and Cryptography","score":0.061900001019239426,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10566","display_name":"Laser-Matter Interactions and Applications","score":0.03139999881386757,"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/molecular-hydrogen","display_name":"molecular hydrogen","score":0.6539999842643738},{"id":"https://openalex.org/keywords/cauchy-schwarz-inequality-violation","display_name":"Cauchy-Schwarz inequality violation","score":0.8939999938011169},{"id":"https://openalex.org/keywords/single-photon-level","display_name":"single-photon level","score":0.5529999732971191},{"id":"https://openalex.org/keywords/femtosecond-pulses","display_name":"femtosecond pulses","score":0.9229999780654907}],"concepts":[{"id":"https://openalex.org/C159317903","wikidata":"https://www.wikidata.org/wiki/Q3198","display_name":"Photon","level":2,"score":0.713843822479248},{"id":"https://openalex.org/C107816215","wikidata":"https://www.wikidata.org/wiki/Q647887","display_name":"Terahertz radiation","level":2,"score":0.6981078386306763},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6947093605995178},{"id":"https://openalex.org/C20788544","wikidata":"https://www.wikidata.org/wiki/Q467054","display_name":"Photonics","level":2,"score":0.6269012093544006},{"id":"https://openalex.org/C167735695","wikidata":"https://www.wikidata.org/wiki/Q1777507","display_name":"Femtosecond","level":3,"score":0.5768557786941528},{"id":"https://openalex.org/C190463098","wikidata":"https://www.wikidata.org/wiki/Q2081419","display_name":"Quantum technology","level":4,"score":0.47907310724258423},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.45882415771484375},{"id":"https://openalex.org/C22984246","wikidata":"https://www.wikidata.org/wiki/Q7269058","display_name":"Quantum imaging","level":5,"score":0.43967404961586},{"id":"https://openalex.org/C203103908","wikidata":"https://www.wikidata.org/wiki/Q3689728","display_name":"Spontaneous parametric down-conversion","level":4,"score":0.4173011779785156},{"id":"https://openalex.org/C68717125","wikidata":"https://www.wikidata.org/wiki/Q735602","display_name":"Quantum optics","level":2,"score":0.4168770909309387},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3970141112804413},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.3822445869445801},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.3355753719806671},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.27100270986557007},{"id":"https://openalex.org/C121040770","wikidata":"https://www.wikidata.org/wiki/Q215675","display_name":"Quantum entanglement","level":3,"score":0.17187342047691345},{"id":"https://openalex.org/C190474826","wikidata":"https://www.wikidata.org/wiki/Q2495111","display_name":"Open quantum system","level":3,"score":0.11920639872550964}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1364/ol.40.000922","doi":"https://doi.org/10.1364/ol.40.000922","is_oa":false,"landing_page_url":"https://doi.org/10.1364/ol.40.000922","pdf_url":null,"source":{"id":"https://openalex.org/S134390580","display_name":"Optics Letters","issn_l":"0146-9592","issn":["0146-9592","1071-2763","1539-4794"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-2","ki-jl-2","medline","norway-2"],"host_organization":"https://openalex.org/P4310315679","host_organization_name":"Optica Publishing Group","host_organization_lineage":["https://openalex.org/P4310315679"],"host_organization_lineage_names":["Optica Publishing Group"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics Letters","raw_type":"journal-article"},{"id":"pmid:25768147","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/25768147","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics letters","raw_type":"Journal Article"},{"id":"pmh:oai:cisti-icist.nrc-cnrc.ca:cistinparc:23000128","doi":null,"is_oa":true,"landing_page_url":"https://nrc-publications.canada.ca/eng/view/object/?id=15fb6c38-9e1c-4ff5-8212-bb6bb16e1f1c","pdf_url":"https://nrc-publications.canada.ca/eng/view/ft/?id=15fb6c38-9e1c-4ff5-8212-bb6bb16e1f1c","source":{"id":"https://openalex.org/S7407055245","display_name":"NPARC","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":null,"raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:cisti-icist.nrc-cnrc.ca:cistinparc:23000128","doi":null,"is_oa":true,"landing_page_url":"https://nrc-publications.canada.ca/eng/view/object/?id=15fb6c38-9e1c-4ff5-8212-bb6bb16e1f1c","pdf_url":"https://nrc-publications.canada.ca/eng/view/ft/?id=15fb6c38-9e1c-4ff5-8212-bb6bb16e1f1c","source":{"id":"https://openalex.org/S7407055245","display_name":"NPARC","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":null,"raw_type":"article"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2071746343.pdf","grobid_xml":"https://content.openalex.org/works/W2071746343.grobid-xml"},"referenced_works_count":33,"referenced_works":["https://openalex.org/W1514675880","https://openalex.org/W1963736202","https://openalex.org/W1965879922","https://openalex.org/W1972175905","https://openalex.org/W1972989121","https://openalex.org/W1984991621","https://openalex.org/W2002801428","https://openalex.org/W2005845886","https://openalex.org/W2015380051","https://openalex.org/W2016702406","https://openalex.org/W2027261376","https://openalex.org/W2033428839","https://openalex.org/W2045107268","https://openalex.org/W2046368450","https://openalex.org/W2052722140","https://openalex.org/W2056174226","https://openalex.org/W2059387772","https://openalex.org/W2062230934","https://openalex.org/W2085112401","https://openalex.org/W2086390809","https://openalex.org/W2086947442","https://openalex.org/W2091624980","https://openalex.org/W2092105345","https://openalex.org/W2117187720","https://openalex.org/W2122456517","https://openalex.org/W2133157165","https://openalex.org/W2139653117","https://openalex.org/W2148545768","https://openalex.org/W2151935496","https://openalex.org/W2170163127","https://openalex.org/W2603210274","https://openalex.org/W2963232112","https://openalex.org/W3104582024"],"related_works":["https://openalex.org/W2070320789","https://openalex.org/W3137452254","https://openalex.org/W10762634","https://openalex.org/W3095464202","https://openalex.org/W2267423514","https://openalex.org/W2038992455","https://openalex.org/W1484226253","https://openalex.org/W2161062897","https://openalex.org/W1675923228","https://openalex.org/W2127723056"],"abstract_inverted_index":{"Quantum":[0],"photonics":[1],"offers":[2],"much":[3],"promise":[4],"for":[5,31,95],"the":[6,15,22,32,41,59,81,90],"development":[7],"of":[8,17,24,34,44,49,83,93],"new":[9],"technologies.":[10],"The":[11],"ability":[12],"to":[13,52],"control":[14],"interaction":[16],"light":[18],"and":[19],"matter":[20],"at":[21,58],"level":[23,62],"single":[25,60],"quantum":[26,99],"excitations":[27],"is":[28],"a":[29,45,76,84],"prerequisite":[30],"construction":[33],"potentially":[35],"powerful":[36],"devices.":[37,101],"Here":[38],"we":[39],"use":[40,96],"rotational":[42],"levels":[43],"room":[46],"temperature":[47],"ensemble":[48],"hydrogen":[50],"molecules":[51,94],"couple":[53],"two":[54],"distinct":[55],"optical":[56],"modes":[57],"photon":[61,72],"using":[63],"femtosecond":[64],"pulses":[65],"with":[66],"2":[67],"THz":[68],"bandwidth.":[69],"We":[70],"observe":[71],"correlations":[73],"that":[74],"violate":[75],"Cauchy-Schwarz":[77],"inequality,":[78],"thereby":[79],"verifying":[80],"creation":[82],"nonclassical":[85],"state.":[86],"This":[87],"work":[88],"demonstrates":[89],"rich":[91],"potential":[92],"in":[97],"ultrafast":[98],"photonic":[100]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":2}],"updated_date":"2026-10-02T10:15:12.560889","created_date":"2025-10-10T00:00:00"}
