{"id":"https://openalex.org/W7220732563","doi":"https://doi.org/10.1038/s42005-026-02890-3","title":"Pump-probe interferometry of picosecond superradiance under direct resonant excitation","display_name":"Pump-probe interferometry of picosecond superradiance under direct resonant excitation","publication_year":2026,"publication_date":"2026-10-06","ids":{"openalex":"https://openalex.org/W7220732563","doi":"https://doi.org/10.1038/s42005-026-02890-3"},"language":"en","primary_location":{"id":"doi:10.1038/s42005-026-02890-3","doi":"https://doi.org/10.1038/s42005-026-02890-3","is_oa":true,"landing_page_url":"https://doi.org/10.1038/s42005-026-02890-3","pdf_url":"https://www.nature.com/articles/s42005-026-02890-3_reference.pdf","source":{"id":"https://openalex.org/S4210200995","display_name":"Communications Physics","issn_l":"2399-3650","issn":["2399-3650"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-2","ki-jl-1","norway-1","oarl","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319908","host_organization_name":"Nature Portfolio","host_organization_lineage":["https://openalex.org/P4310319908","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Nature Portfolio","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Communications Physics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.nature.com/articles/s42005-026-02890-3_reference.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5060356848","display_name":"Kyungwon An","orcid":"https://orcid.org/0000-0003-4142-6297","observed_orcids":["https://orcid.org/0000-0003-4142-6297"]},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Kyungwon An","raw_affiliation_strings":["Department of Physics and Astronomy & Institute of Applied Physics, Seoul National University, Seoul, Korea"],"raw_orcid":"https://orcid.org/0000-0003-4142-6297","affiliations":[{"raw_affiliation_string":"Department of Physics and Astronomy & Institute of Applied Physics, Seoul National University, Seoul, Korea","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036071424","display_name":"James Robert Harries","orcid":"https://orcid.org/0000-0003-2173-0697","observed_orcids":["https://orcid.org/0000-0003-2173-0697","https://orcid.org/0009-0006-7397-7586"]},"institutions":[{"id":"https://openalex.org/I4210114217","display_name":"National Institutes for Quantum Science and Technology","ror":"https://ror.org/020rbyg91","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210114217"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"James R. Harries","raw_affiliation_strings":["National Institutes for Quantum Science and Technology (QST), Hyogo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institutes for Quantum Science and Technology (QST), Hyogo, Japan","institution_ids":["https://openalex.org/I4210114217"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027743092","display_name":"Susumu Kuma","orcid":"https://orcid.org/0000-0003-3120-2572","observed_orcids":["https://orcid.org/0000-0003-3120-2572"]},"institutions":[{"id":"https://openalex.org/I133557312","display_name":"Rikkyo University","ror":"https://ror.org/00x194q47","country_code":"JP","type":"education","lineage":["https://openalex.org/I133557312"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Susumu Kuma","raw_affiliation_strings":["Department of Physics, Rikkyo University, Tokyo, Japan"],"raw_orcid":"https://orcid.org/0000-0003-3120-2572","affiliations":[{"raw_affiliation_string":"Department of Physics, Rikkyo University, Tokyo, Japan","institution_ids":["https://openalex.org/I133557312"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5060356848"],"corresponding_institution_ids":["https://openalex.org/I139264467"],"apc_list":{"value":3990,"currency":"USD","value_usd":3990},"apc_paid":{"value":3990,"currency":"USD","value_usd":3990},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.63077916,"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/T11414","display_name":"Quantum optics and atomic interactions","score":0.9961000084877014,"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":0.9961000084877014,"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/T12612","display_name":"Strong Light-Matter Interactions","score":0.0012000000569969416,"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/T10566","display_name":"Laser-Matter Interactions and Applications","score":0.0010000000474974513,"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/superradiance","display_name":"superradiance","score":0.9750000238418579},{"id":"https://openalex.org/keywords/two-level-system","display_name":"two-level system","score":0.7860000133514404},{"id":"https://openalex.org/keywords/ytterbium","display_name":"ytterbium","score":0.722000002861023},{"id":"https://openalex.org/keywords/174yb","display_name":"174Yb","score":0.7699999809265137},{"id":"https://openalex.org/keywords/doppler-broadening","display_name":"Doppler broadening","score":0.6489999890327454},{"id":"https://openalex.org/keywords/collisional-broadening","display_name":"pressure broadening","score":0.9940000176429749},{"id":"https://openalex.org/keywords/interference-fringes","display_name":"interference fringes","score":0.6520000100135803},{"id":"https://openalex.org/keywords/maxwell-schrodinger-equations","display_name":"Maxwell-Schr\u00f6dinger equations","score":0.875}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.635699987411499},{"id":"https://openalex.org/C37829102","wikidata":"https://www.wikidata.org/wiki/Q3063080","display_name":"Superradiance","level":3,"score":0.6326000094413757},{"id":"https://openalex.org/C55005982","wikidata":"https://www.wikidata.org/wiki/Q3902709","display_name":"Picosecond","level":3,"score":0.6180999875068665},{"id":"https://openalex.org/C83581075","wikidata":"https://www.wikidata.org/wiki/Q1361503","display_name":"Excitation","level":2,"score":0.565500020980835},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5242000222206116},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.506600022315979},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.30160000920295715},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.2621999979019165},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.23880000412464142},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.22910000383853912}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1038/s42005-026-02890-3","doi":"https://doi.org/10.1038/s42005-026-02890-3","is_oa":true,"landing_page_url":"https://doi.org/10.1038/s42005-026-02890-3","pdf_url":"https://www.nature.com/articles/s42005-026-02890-3_reference.pdf","source":{"id":"https://openalex.org/S4210200995","display_name":"Communications Physics","issn_l":"2399-3650","issn":["2399-3650"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-2","ki-jl-1","norway-1","oarl","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319908","host_organization_name":"Nature Portfolio","host_organization_lineage":["https://openalex.org/P4310319908","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Nature Portfolio","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Communications Physics","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1038/s42005-026-02890-3","doi":"https://doi.org/10.1038/s42005-026-02890-3","is_oa":true,"landing_page_url":"https://doi.org/10.1038/s42005-026-02890-3","pdf_url":"https://www.nature.com/articles/s42005-026-02890-3_reference.pdf","source":{"id":"https://openalex.org/S4210200995","display_name":"Communications Physics","issn_l":"2399-3650","issn":["2399-3650"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-2","ki-jl-1","norway-1","oarl","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319908","host_organization_name":"Nature Portfolio","host_organization_lineage":["https://openalex.org/P4310319908","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Nature Portfolio","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Communications Physics","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G2040826095","display_name":"\u6975\u4f4e\u6e29\u30d8\u30ea\u30a6\u30e0\u6db2\u6ef4\u30d3\u30fc\u30e0\u3092\u30ca\u30ce\u53cd\u5fdc\u7a7a\u9593\u3068\u3057\u305f\u6c34\u7d20\u7d50\u5408\u7cfb\u5316\u5b66\u53cd\u5fdc\u306e\u63a2\u7d22","funder_award_id":"25K03402","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G4955017106","display_name":null,"funder_award_id":"RS-2025-00553232","funder_id":"https://openalex.org/F4320322120","funder_display_name":"National Research Foundation of Korea"},{"id":"https://openalex.org/G5317303630","display_name":null,"funder_award_id":"23H03670","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G8773254068","display_name":null,"funder_award_id":"25H01271","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"}],"funders":[{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"},{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7220732563.pdf","grobid_xml":"https://content.openalex.org/works/W7220732563.grobid-xml"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W629875853","https://openalex.org/W1515123177","https://openalex.org/W1537759652","https://openalex.org/W1967707527","https://openalex.org/W1977530695","https://openalex.org/W1992229145","https://openalex.org/W2017154611","https://openalex.org/W2066685801","https://openalex.org/W2067210403","https://openalex.org/W2079287420","https://openalex.org/W2179880312","https://openalex.org/W2254996731","https://openalex.org/W2302241493","https://openalex.org/W2413401424","https://openalex.org/W2747536487","https://openalex.org/W2766099110","https://openalex.org/W2887268841","https://openalex.org/W2964293643","https://openalex.org/W3199643589","https://openalex.org/W4200425085","https://openalex.org/W4205677790","https://openalex.org/W4230885092","https://openalex.org/W4390536034","https://openalex.org/W4391745400"],"related_works":["https://openalex.org/W7215089653","https://openalex.org/W2067210403","https://openalex.org/W2078577256","https://openalex.org/W7120539349","https://openalex.org/W2613019673","https://openalex.org/W2147335267","https://openalex.org/W2099173567","https://openalex.org/W7098494787","https://openalex.org/W2520278055","https://openalex.org/W1999669584"],"abstract_inverted_index":{"Observation":[0],"of":[1,57,64,86,96,112,147,156],"pulsed":[2],"superradiance":[3,59],"from":[4,60,100,139],"two-level":[5,65],"systems":[6],"under":[7,69],"direct":[8,184],"excitation":[9,16,35,41],"is":[10,153],"challenging":[11],"because":[12],"the":[13,20,82,93,97,113,120,132,140,154,159,177],"much":[14],"stronger":[15],"pulse":[17],"overlaps":[18],"with":[19,173],"emitted":[21],"radiation":[22],"in":[23,158,170],"time,":[24],"space,":[25],"and":[26,72,77,166],"spectrum.":[27],"Previous":[28],"demonstrations":[29],"have":[30],"therefore":[31],"mostly":[32],"relied":[33],"on":[34,176],"via":[36],"auxiliary":[37,192],"levels":[38],"or":[39,196],"multiphoton":[40,194],"at":[42],"different":[43],"wavelengths,":[44],"limiting":[45],"applicability.":[46],"Here":[47],"we":[48],"present":[49],"an":[50],"interferometric":[51],"pump-probe":[52,114],"technique":[53,182],"that":[54],"enables":[55],"observation":[56],"picosecond":[58],"a":[61,110,144],"moderately-dense-but-optically-thin":[62],"ensemble":[63],"atoms":[66,157],"resonantly":[67],"excited":[68],"substantial":[70],"Doppler":[71],"collisional":[73],"broadening.":[74],"Sequential":[75],"pump":[76],"probe":[78],"pulses":[79],"tuned":[80],"to":[81,91,119,186],"555.6-nm":[83],"E1":[84],"transition":[85],"174":[87],"Yb":[88],"allowed":[89],"us":[90],"reconstruct":[92],"temporal":[94,164],"waveform":[95],"superradiant":[98,121,188],"field":[99,142],"time-averaged":[101],"transverse":[102],"fluorescence.":[103],"The":[104,162],"fluorescence":[105],"displayed":[106],"interference":[107],"fringes":[108],"as":[109],"function":[111],"delay,":[115],"whose":[116],"envelope":[117],"corresponds":[118],"polarization":[122],"P":[123],"(":[124],"t":[125],");":[126],"taking":[127],"its":[128],"time":[129],"derivative":[130],"yields":[131],"radiated":[133],"electric":[134],"field.":[135],"Pulse":[136],"widths":[137],"extracted":[138],"reconstructed":[141],"follow":[143],"power-law":[145],"scaling":[146,167],"\\(1/{N}_{0}^{0.44}\\)":[148],",":[149],"where":[150],"N":[151],"0":[152],"number":[155],"interaction":[160],"volume.":[161],"measured":[163],"dynamics":[165,189],"behavior":[168],"are":[169],"good":[171],"agreement":[172],"simulations":[174],"based":[175],"coupled":[178],"Maxwell-Schr\u00f6dinger":[179],"equations.":[180],"This":[181],"provides":[183],"access":[185],"ultrafast":[187,197],"without":[190],"requiring":[191],"transitions,":[193],"excitation,":[195],"detectors.":[198]},"counts_by_year":[],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2026-10-07T00:00:00"}
