{"id":"https://openalex.org/W4386428228","doi":"https://doi.org/10.1109/cleo/europe-eqec57999.2023.10231535","title":"Experimental Separation Estimation of Incoherent Optical Sources Reaching the Cram\u00e9r-Rao Bound","display_name":"Experimental Separation Estimation of Incoherent Optical Sources Reaching the Cram\u00e9r-Rao Bound","publication_year":2023,"publication_date":"2023-06-26","ids":{"openalex":"https://openalex.org/W4386428228","doi":"https://doi.org/10.1109/cleo/europe-eqec57999.2023.10231535"},"language":"en","primary_location":{"id":"doi:10.1109/cleo/europe-eqec57999.2023.10231535","doi":"https://doi.org/10.1109/cleo/europe-eqec57999.2023.10231535","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/cleo/europe-eqec57999.2023.10231535","pdf_url":null,"source":{"id":"https://openalex.org/S7407086093","display_name":"Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5085841672","display_name":"Cl\u00e9mentine Rouvi\u00e8re","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I2746051580","display_name":"Universit\u00e9 Paris Sciences et Lettres","ror":"https://ror.org/013cjyk83","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580"]},{"id":"https://openalex.org/I2801195679","display_name":"Laboratoire Kastler Brossel","ror":"https://ror.org/01h14ww21","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I187986737","https://openalex.org/I2746051580","https://openalex.org/I2801195679","https://openalex.org/I29607241","https://openalex.org/I39804081","https://openalex.org/I4210098836"]},{"id":"https://openalex.org/I29607241","display_name":"\u00c9cole Normale Sup\u00e9rieure - PSL","ror":"https://ror.org/05a0dhs15","country_code":"FR","type":"other","lineage":["https://openalex.org/I2746051580","https://openalex.org/I29607241"]},{"id":"https://openalex.org/I39804081","display_name":"Sorbonne Universit\u00e9","ror":"https://ror.org/02en5vm52","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Cl\u00e9mentine Rouvi\u00e8re","raw_affiliation_strings":["ENS-Université PSL, CNRS, Sorbonne Université,Laboratoire Kastler Brossel,Paris,France,75005"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ENS-Université PSL, CNRS, Sorbonne Université,Laboratoire Kastler Brossel,Paris,France,75005","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I2746051580","https://openalex.org/I2801195679","https://openalex.org/I29607241","https://openalex.org/I39804081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032445002","display_name":"David Barral","orcid":"https://orcid.org/0000-0001-6658-4684","observed_orcids":["https://orcid.org/0000-0001-6658-4684"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I2746051580","display_name":"Universit\u00e9 Paris Sciences et Lettres","ror":"https://ror.org/013cjyk83","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580"]},{"id":"https://openalex.org/I2801195679","display_name":"Laboratoire Kastler Brossel","ror":"https://ror.org/01h14ww21","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I187986737","https://openalex.org/I2746051580","https://openalex.org/I2801195679","https://openalex.org/I29607241","https://openalex.org/I39804081","https://openalex.org/I4210098836"]},{"id":"https://openalex.org/I29607241","display_name":"\u00c9cole Normale Sup\u00e9rieure - PSL","ror":"https://ror.org/05a0dhs15","country_code":"FR","type":"other","lineage":["https://openalex.org/I2746051580","https://openalex.org/I29607241"]},{"id":"https://openalex.org/I39804081","display_name":"Sorbonne Universit\u00e9","ror":"https://ror.org/02en5vm52","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"David Barral","raw_affiliation_strings":["ENS-Université PSL, CNRS, Sorbonne Université,Laboratoire Kastler Brossel,Paris,France,75005"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ENS-Université PSL, CNRS, Sorbonne Université,Laboratoire Kastler Brossel,Paris,France,75005","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I2746051580","https://openalex.org/I2801195679","https://openalex.org/I29607241","https://openalex.org/I39804081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053406078","display_name":"Antonin Grateau","orcid":"https://orcid.org/0009-0006-5692-8635","observed_orcids":["https://orcid.org/0009-0006-5692-8635"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I2746051580","display_name":"Universit\u00e9 Paris Sciences et Lettres","ror":"https://ror.org/013cjyk83","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580"]},{"id":"https://openalex.org/I2801195679","display_name":"Laboratoire Kastler Brossel","ror":"https://ror.org/01h14ww21","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I187986737","https://openalex.org/I2746051580","https://openalex.org/I2801195679","https://openalex.org/I29607241","https://openalex.org/I39804081","https://openalex.org/I4210098836"]},{"id":"https://openalex.org/I29607241","display_name":"\u00c9cole Normale Sup\u00e9rieure - PSL","ror":"https://ror.org/05a0dhs15","country_code":"FR","type":"other","lineage":["https://openalex.org/I2746051580","https://openalex.org/I29607241"]},{"id":"https://openalex.org/I39804081","display_name":"Sorbonne Universit\u00e9","ror":"https://ror.org/02en5vm52","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Antonin Grateau","raw_affiliation_strings":["ENS-Université PSL, CNRS, Sorbonne Université,Laboratoire Kastler Brossel,Paris,France,75005"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ENS-Université PSL, CNRS, Sorbonne Université,Laboratoire Kastler Brossel,Paris,France,75005","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I2746051580","https://openalex.org/I2801195679","https://openalex.org/I29607241","https://openalex.org/I39804081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082884161","display_name":"Giacomo Sorelli","orcid":"https://orcid.org/0000-0003-2197-2768","observed_orcids":["https://orcid.org/0000-0003-2197-2768"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I2746051580","display_name":"Universit\u00e9 Paris Sciences et Lettres","ror":"https://ror.org/013cjyk83","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580"]},{"id":"https://openalex.org/I2801195679","display_name":"Laboratoire Kastler Brossel","ror":"https://ror.org/01h14ww21","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I187986737","https://openalex.org/I2746051580","https://openalex.org/I2801195679","https://openalex.org/I29607241","https://openalex.org/I39804081","https://openalex.org/I4210098836"]},{"id":"https://openalex.org/I29607241","display_name":"\u00c9cole Normale Sup\u00e9rieure - PSL","ror":"https://ror.org/05a0dhs15","country_code":"FR","type":"other","lineage":["https://openalex.org/I2746051580","https://openalex.org/I29607241"]},{"id":"https://openalex.org/I39804081","display_name":"Sorbonne Universit\u00e9","ror":"https://ror.org/02en5vm52","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081"]},{"id":"https://openalex.org/I4210111500","display_name":"Fraunhofer Institute of Optronics, System Technologies and Image Exploitation","ror":"https://ror.org/01zx97922","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210111500","https://openalex.org/I4923324"]}],"countries":["DE","FR"],"is_corresponding":false,"raw_author_name":"Giacomo Sorelli","raw_affiliation_strings":["ENS-Université PSL, CNRS, Sorbonne Université,Laboratoire Kastler Brossel,Paris,France,75005","Fraunhofer IOSB, Ettlingen, Fraunhofer Institute of Optronics, System Technologies and Image Exploitation, Ettlingen, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ENS-Université PSL, CNRS, Sorbonne Université,Laboratoire Kastler Brossel,Paris,France,75005","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I2746051580","https://openalex.org/I2801195679","https://openalex.org/I29607241","https://openalex.org/I39804081"]},{"raw_affiliation_string":"Fraunhofer IOSB, Ettlingen, Fraunhofer Institute of Optronics, System Technologies and Image Exploitation, Ettlingen, Germany","institution_ids":["https://openalex.org/I4210111500"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018677037","display_name":"Ilya Karuseichyk","orcid":"https://orcid.org/0000-0003-4981-6230","observed_orcids":["https://orcid.org/0000-0003-4981-6230"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I2746051580","display_name":"Universit\u00e9 Paris Sciences et Lettres","ror":"https://ror.org/013cjyk83","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580"]},{"id":"https://openalex.org/I2801195679","display_name":"Laboratoire Kastler Brossel","ror":"https://ror.org/01h14ww21","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I187986737","https://openalex.org/I2746051580","https://openalex.org/I2801195679","https://openalex.org/I29607241","https://openalex.org/I39804081","https://openalex.org/I4210098836"]},{"id":"https://openalex.org/I29607241","display_name":"\u00c9cole Normale Sup\u00e9rieure - PSL","ror":"https://ror.org/05a0dhs15","country_code":"FR","type":"other","lineage":["https://openalex.org/I2746051580","https://openalex.org/I29607241"]},{"id":"https://openalex.org/I39804081","display_name":"Sorbonne Universit\u00e9","ror":"https://ror.org/02en5vm52","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Ilya Karuseichyk","raw_affiliation_strings":["ENS-Université PSL, CNRS, Sorbonne Université,Laboratoire Kastler Brossel,Paris,France,75005"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ENS-Université PSL, CNRS, Sorbonne Université,Laboratoire Kastler Brossel,Paris,France,75005","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I2746051580","https://openalex.org/I2801195679","https://openalex.org/I29607241","https://openalex.org/I39804081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029299671","display_name":"Mattia Walschaers","orcid":"https://orcid.org/0000-0003-4649-0044","observed_orcids":["https://orcid.org/0000-0003-4649-0044"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I2746051580","display_name":"Universit\u00e9 Paris Sciences et Lettres","ror":"https://ror.org/013cjyk83","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580"]},{"id":"https://openalex.org/I2801195679","display_name":"Laboratoire Kastler Brossel","ror":"https://ror.org/01h14ww21","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I187986737","https://openalex.org/I2746051580","https://openalex.org/I2801195679","https://openalex.org/I29607241","https://openalex.org/I39804081","https://openalex.org/I4210098836"]},{"id":"https://openalex.org/I29607241","display_name":"\u00c9cole Normale Sup\u00e9rieure - PSL","ror":"https://ror.org/05a0dhs15","country_code":"FR","type":"other","lineage":["https://openalex.org/I2746051580","https://openalex.org/I29607241"]},{"id":"https://openalex.org/I39804081","display_name":"Sorbonne Universit\u00e9","ror":"https://ror.org/02en5vm52","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Mattia Walschaers","raw_affiliation_strings":["ENS-Université PSL, CNRS, Sorbonne Université,Laboratoire Kastler Brossel,Paris,France,75005"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ENS-Université PSL, CNRS, Sorbonne Université,Laboratoire Kastler Brossel,Paris,France,75005","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I2746051580","https://openalex.org/I2801195679","https://openalex.org/I29607241","https://openalex.org/I39804081"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030070542","display_name":"Nicolas Treps","orcid":"https://orcid.org/0000-0002-1413-3715","observed_orcids":["https://orcid.org/0000-0002-1413-3715"]},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I2746051580","display_name":"Universit\u00e9 Paris Sciences et Lettres","ror":"https://ror.org/013cjyk83","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580"]},{"id":"https://openalex.org/I2801195679","display_name":"Laboratoire Kastler Brossel","ror":"https://ror.org/01h14ww21","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I187986737","https://openalex.org/I2746051580","https://openalex.org/I2801195679","https://openalex.org/I29607241","https://openalex.org/I39804081","https://openalex.org/I4210098836"]},{"id":"https://openalex.org/I29607241","display_name":"\u00c9cole Normale Sup\u00e9rieure - PSL","ror":"https://ror.org/05a0dhs15","country_code":"FR","type":"other","lineage":["https://openalex.org/I2746051580","https://openalex.org/I29607241"]},{"id":"https://openalex.org/I39804081","display_name":"Sorbonne Universit\u00e9","ror":"https://ror.org/02en5vm52","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Nicolas Treps","raw_affiliation_strings":["ENS-Université PSL, CNRS, Sorbonne Université,Laboratoire Kastler Brossel,Paris,France,75005"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ENS-Université PSL, CNRS, Sorbonne Université,Laboratoire Kastler Brossel,Paris,France,75005","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I2746051580","https://openalex.org/I2801195679","https://openalex.org/I29607241","https://openalex.org/I39804081"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1775,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.38562826,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"1"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":0.8838000297546387,"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"}},"topics":[{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":0.8838000297546387,"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/T10490","display_name":"Orbital Angular Momentum in Optics","score":0.03739999979734421,"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/T11484","display_name":"Adaptive optics and wavefront sensing","score":0.02759999968111515,"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/point-source-separation","display_name":"point source separation","score":0.6650000214576721},{"id":"https://openalex.org/keywords/cramer-rao-lower-bound","display_name":"Cramer-Rao lower bound","score":0.9679999947547913},{"id":"https://openalex.org/keywords/quantum-parameter-estimation","display_name":"quantum parameter estimation","score":0.9570000171661377},{"id":"https://openalex.org/keywords/spatial-mode-demultiplexing","display_name":"spatial mode demultiplexing","score":0.8809999823570251},{"id":"https://openalex.org/keywords/intensity-measurement","display_name":"intensity measurement","score":0.6370000243186951},{"id":"https://openalex.org/keywords/mutual-coherence","display_name":"mutual coherence","score":0.6970000267028809},{"id":"https://openalex.org/keywords/diffraction-limit","display_name":"diffraction limit","score":0.7049999833106995},{"id":"https://openalex.org/keywords/super-resolution","display_name":"super-resolution","score":0.4480000138282776},{"id":"https://openalex.org/keywords/optimal-estimators","display_name":"optimal estimators","score":0.5339999794960022},{"id":"https://openalex.org/keywords/quantum-imaging","display_name":"quantum imaging","score":0.3140000104904175}],"concepts":[{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.6910789012908936},{"id":"https://openalex.org/C2781181686","wikidata":"https://www.wikidata.org/wiki/Q4226068","display_name":"Coherence (philosophical gambling strategy)","level":2,"score":0.6307091116905212},{"id":"https://openalex.org/C207114421","wikidata":"https://www.wikidata.org/wiki/Q133900","display_name":"Diffraction","level":2,"score":0.5769596099853516},{"id":"https://openalex.org/C151201525","wikidata":"https://www.wikidata.org/wiki/Q177239","display_name":"Limit (mathematics)","level":2,"score":0.5757923126220703},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5083982348442078},{"id":"https://openalex.org/C165485753","wikidata":"https://www.wikidata.org/wiki/Q54800742","display_name":"Coherence theory","level":4,"score":0.4781028628349304},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.47053584456443787},{"id":"https://openalex.org/C2985909886","wikidata":"https://www.wikidata.org/wiki/Q193147","display_name":"Spatial coherence","level":3,"score":0.46048957109451294},{"id":"https://openalex.org/C93038891","wikidata":"https://www.wikidata.org/wiki/Q1061524","display_name":"Intensity (physics)","level":2,"score":0.44815006852149963},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.439120352268219},{"id":"https://openalex.org/C48677424","wikidata":"https://www.wikidata.org/wiki/Q6888088","display_name":"Mode (computer interface)","level":2,"score":0.4390200674533844},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3629388213157654},{"id":"https://openalex.org/C168553754","wikidata":"https://www.wikidata.org/wiki/Q1778793","display_name":"Coherence length","level":3,"score":0.3296654224395752},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3175821006298065},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21258479356765747},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.15908187627792358},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1553840935230255},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.14405101537704468},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.08600419759750366},{"id":"https://openalex.org/C54101563","wikidata":"https://www.wikidata.org/wiki/Q124131","display_name":"Superconductivity","level":2,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/cleo/europe-eqec57999.2023.10231535","doi":"https://doi.org/10.1109/cleo/europe-eqec57999.2023.10231535","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/cleo/europe-eqec57999.2023.10231535","pdf_url":null,"source":{"id":"https://openalex.org/S7407086093","display_name":"Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)","raw_type":"proceedings-article"},{"id":"pmh:oai:publica.fraunhofer.de:publica/450374","doi":null,"is_oa":false,"landing_page_url":"https://publica.fraunhofer.de/handle/publica/450374","pdf_url":null,"source":{"id":"https://openalex.org/S4306400318","display_name":"Fraunhofer-Publica (Fraunhofer-Gesellschaft)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4923324","host_organization_name":"Fraunhofer-Gesellschaft","host_organization_lineage":["https://openalex.org/I4923324"],"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":"conference paper"},{"id":"pmh:oai:publica.fraunhofer.de:publica/506443","doi":null,"is_oa":false,"landing_page_url":"https://publica.fraunhofer.de/handle/publica/506443","pdf_url":null,"source":{"id":"https://openalex.org/S4306400318","display_name":"Fraunhofer-Publica (Fraunhofer-Gesellschaft)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4923324","host_organization_name":"Fraunhofer-Gesellschaft","host_organization_lineage":["https://openalex.org/I4923324"],"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":"conference paper"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W3016640777","https://openalex.org/W3047568769","https://openalex.org/W3165755151","https://openalex.org/W3199110910"],"related_works":["https://openalex.org/W4386118903","https://openalex.org/W4323538154","https://openalex.org/W4286522248","https://openalex.org/W3184569843","https://openalex.org/W4415678738","https://openalex.org/W2758465268","https://openalex.org/W7125392827","https://openalex.org/W4220814277","https://openalex.org/W4396882445","https://openalex.org/W4324266177"],"abstract_inverted_index":{"Resolving":[0],"light":[1],"sources":[2,38],"below":[3],"the":[4,23,33,43,80,83],"diffraction":[5],"limit":[6,45],"is":[7],"a":[8,63],"fundamental":[9],"task":[10],"both":[11],"for":[12,79,95],"astronomy":[13],"and":[14,30,56],"microscopy.":[15],"Several":[16],"recent":[17],"works":[18],"analysed":[19],"this":[20,54],"problem":[21],"through":[22],"lens":[24],"of":[25,66,82,85],"quantum":[26,44],"parameter":[27],"estimation":[28],"theory":[29],"proved":[31],"that":[32],"separation":[34,102],"between":[35],"two":[36,86],"point":[37],"can":[39],"be":[40],"estimated":[41],"at":[42],"using":[46],"intensity":[47,68],"measurements":[48,69],"after":[49],"spatial-mode":[50],"demultiplexing.":[51],"We":[52],"implement":[53],"technique":[55],"provide":[57],"an":[58],"optimal":[59],"estimator":[60],"based":[61],"on":[62],"linear":[64],"combination":[65],"demultiplexed":[67],"[1]\u2013[3].":[70],"Our":[71],"experimental":[72],"setup":[73],"(see":[74],"Fig.":[75],"1":[76],"(left))":[77],"allows":[78],"generation":[81],"images":[84],"sources,":[87],"with":[88],"tunable":[89],"mutual":[90],"coherence,":[91],"as":[92,94],"well":[93],"spatial":[96],"mode":[97],"demultiplexing":[98],"to":[99],"estimate":[100],"their":[101],"[4].":[103]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2023-09-05T00:00:00"}