{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Fu Y"],"funding":["JST | Natural Science Foundation of Jiangsu Province (Jiangsu Natural Science Foundation)","JST | Natural Science Foundation of Jiangsu Province","MOST | National Natural Science Foundation of China (NSFC)","Funding of Nanjing University of Science and Technology","Chemical Science Division, Office of Basic Energy Sciences, Office of Science, US Department of Energy","MOST | National Natural Science Foundation of China"],"pagination":["e2307836121"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10786267"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["121(2)"],"pubmed_abstract":["High-harmonic generation from a gas target exhibits sharp spectral features and rapid phase variation near the Cooper minimum. By applying spectral filtering, shaped isolated attosecond pulses can be generated where the pulse is split into two in the time domain. Using such shaped extreme-ultraviolet (XUV) pulses, we theoretically study attosecond transient absorption (ATA) spectra of helium [Formula: see text] autoionizing state which is resonantly coupled to the [Formula: see text] dark state by a time-delayed infrared laser. Our simulations show that the asymmetric [Formula: see text] Fano line shape can be readily tuned into symmetric Lorentzian within the time delay of a few tens of attoseconds. Such efficient control is due to the destructive interference in the generation of the [Fo"],"journal":["Proceedings of the National Academy of Sciences of the United States of America"],"pubmed_title":["Controlling laser-dressed resonance line shape using attosecond extreme-ultraviolet pulse with a spectral minimum."],"pmcid":["PMC10786267"],"funding_grant_id":["12204238","12274230","TSXK2022D005","BK20220925","11834004","DE-FG02-86ER13491"],"pubmed_authors":["Wang B","Jin C","Fu Y","Lin CD","Li B","Han J","Wang K","Tang X","Yin Z"],"additional_accession":[]},"is_claimable":false,"name":"Controlling laser-dressed resonance line shape using attosecond extreme-ultraviolet pulse with a spectral minimum.","description":"High-harmonic generation from a gas target exhibits sharp spectral features and rapid phase variation near the Cooper minimum. By applying spectral filtering, shaped isolated attosecond pulses can be generated where the pulse is split into two in the time domain. Using such shaped extreme-ultraviolet (XUV) pulses, we theoretically study attosecond transient absorption (ATA) spectra of helium [Formula: see text] autoionizing state which is resonantly coupled to the [Formula: see text] dark state by a time-delayed infrared laser. Our simulations show that the asymmetric [Formula: see text] Fano line shape can be readily tuned into symmetric Lorentzian within the time delay of a few tens of attoseconds. Such efficient control is due to the destructive interference in the generation of the [Fo","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Jan","modification":"2025-04-04T19:23:40.025Z","creation":"2025-04-04T19:23:40.025Z"},"accession":"S-EPMC10786267","cross_references":{"pubmed":["38170749"],"doi":["10.1073/pnas.2307836121"]}}