Attosecond temporal structure of non-consecutive harmonic combs revealed by multiple near-infrared photon transitions in two-color photoionisation
Abstract The metrology of attosecond pulse trains is based on a cross-correlation technique between a comb of extreme ultraviolet harmonics generated by the high-order harmonic generation process and a synchronised infrared field. The approach, usually referred to as reconstruction of attosecond bea...
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2025-05-01
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| Online Access: | https://doi.org/10.1038/s42005-025-02123-z |
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| author | Praveen Kumar Maroju Miguel Benito de Lama Michele Di Fraia Oksana Plekan Matteo Bonanomi Barbara Merzuk David Busto Ioannis Makos Marvin Schmoll Ronak Shah Primož Rebernik Ribič Luca Giannessi Enrico Allaria Giuseppe Penco Marco Zangrando Alberto Simoncig Michele Manfredda Giovanni De Ninno Carlo Spezzani Alexander Demidovich Miltcho Danailov Marcello Coreno Richard J. Squibb Raimund Feifel Samuel Bengtsson Emma Rose Simpson Tamás Csizmadia Mathieu Dumergue Sergei Kühn Kiyoshi Ueda Gabriele Zeni Fabio Frassetto Luca Poletto Kevin C. Prince Johan Mauritsson Johannes Feist Alicia Palacios Carlo Callegari Giuseppe Sansone |
| author_facet | Praveen Kumar Maroju Miguel Benito de Lama Michele Di Fraia Oksana Plekan Matteo Bonanomi Barbara Merzuk David Busto Ioannis Makos Marvin Schmoll Ronak Shah Primož Rebernik Ribič Luca Giannessi Enrico Allaria Giuseppe Penco Marco Zangrando Alberto Simoncig Michele Manfredda Giovanni De Ninno Carlo Spezzani Alexander Demidovich Miltcho Danailov Marcello Coreno Richard J. Squibb Raimund Feifel Samuel Bengtsson Emma Rose Simpson Tamás Csizmadia Mathieu Dumergue Sergei Kühn Kiyoshi Ueda Gabriele Zeni Fabio Frassetto Luca Poletto Kevin C. Prince Johan Mauritsson Johannes Feist Alicia Palacios Carlo Callegari Giuseppe Sansone |
| author_sort | Praveen Kumar Maroju |
| collection | DOAJ |
| description | Abstract The metrology of attosecond pulse trains is based on a cross-correlation technique between a comb of extreme ultraviolet harmonics generated by the high-order harmonic generation process and a synchronised infrared field. The approach, usually referred to as reconstruction of attosecond beating by interference of two-photon transitions (RABBIT), allows one to recover the relative phase between the comb of consecutive odd harmonics, thus providing access to the attosecond temporal structure of the radiation. Seeded free-electron lasers have recently demonstrated the generation of combs consisting of even and odd harmonics of the seeding radiation. In this scheme, each harmonic is generated by an independent undulator (or set thereof), providing an additional degree of freedom in selecting the specific harmonics that make up the extreme ultraviolet comb. Here, we present results on the generation and temporal characterisation of a comb consisting of non-consecutive harmonics. The single-shot correlation analysis of the photoelectron spectra and the reordering of the single-shot data using an attosecond timing tool allow the reconstruction of the group delay dispersion of the harmonic comb and the temporal reconstruction of the attosecond pulse train. |
| format | Article |
| id | doaj-art-72c707475ae34fda980736ccac385f8a |
| institution | DOAJ |
| issn | 2399-3650 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | Nature Portfolio |
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| series | Communications Physics |
| spelling | doaj-art-72c707475ae34fda980736ccac385f8a2025-08-20T03:08:42ZengNature PortfolioCommunications Physics2399-36502025-05-018111110.1038/s42005-025-02123-zAttosecond temporal structure of non-consecutive harmonic combs revealed by multiple near-infrared photon transitions in two-color photoionisationPraveen Kumar Maroju0Miguel Benito de Lama1Michele Di Fraia2Oksana Plekan3Matteo Bonanomi4Barbara Merzuk5David Busto6Ioannis Makos7Marvin Schmoll8Ronak Shah9Primož Rebernik Ribič10Luca Giannessi11Enrico Allaria12Giuseppe Penco13Marco Zangrando14Alberto Simoncig15Michele Manfredda16Giovanni De Ninno17Carlo Spezzani18Alexander Demidovich19Miltcho Danailov20Marcello Coreno21Richard J. Squibb22Raimund Feifel23Samuel Bengtsson24Emma Rose Simpson25Tamás Csizmadia26Mathieu Dumergue27Sergei Kühn28Kiyoshi Ueda29Gabriele Zeni30Fabio Frassetto31Luca Poletto32Kevin C. Prince33Johan Mauritsson34Johannes Feist35Alicia Palacios36Carlo Callegari37Giuseppe Sansone38Institute of Physics, University of FreiburgDepartamento de Química, Módulo 13, Universidad Autónoma de Madrid (UAM)CNR-IOM - Istituto Officina dei Materiali, National Research Council of ItalyElettra-Sincrotrone TriesteElettra-Sincrotrone TriesteInstitute of Physics, University of FreiburgInstitute of Physics, University of FreiburgInstitute of Physics, University of FreiburgInstitute of Physics, University of FreiburgInstitute of Physics, University of FreiburgElettra-Sincrotrone TriesteElettra-Sincrotrone TriesteElettra-Sincrotrone TriesteElettra-Sincrotrone TriesteCNR-IOM - Istituto Officina dei Materiali, National Research Council of ItalyElettra-Sincrotrone TriesteElettra-Sincrotrone TriesteElettra-Sincrotrone TriesteElettra-Sincrotrone TriesteElettra-Sincrotrone TriesteElettra-Sincrotrone TriesteElettra-Sincrotrone TriesteDepartment of Physics, University of GothenburgDepartment of Physics, University of GothenburgDepartment of Physics, Lund UniversityDepartment of Physics, Lund UniversityELI ALPS, ELI-HU Non-Profit Ltd.ELI ALPS, ELI-HU Non-Profit Ltd.ELI ALPS, ELI-HU Non-Profit Ltd.Department of Chemistry, Tohoku UniversityIstituto di Fotonica e Nanotecnologie, CNRIstituto di Fotonica e Nanotecnologie, CNRIstituto di Fotonica e Nanotecnologie, CNRElettra-Sincrotrone TriesteDepartment of Physics, Lund UniversityDepartamento de Física Teórica de la Materia Condensada, UAMDepartamento de Química, Módulo 13, Universidad Autónoma de Madrid (UAM)Elettra-Sincrotrone TriesteInstitute of Physics, University of FreiburgAbstract The metrology of attosecond pulse trains is based on a cross-correlation technique between a comb of extreme ultraviolet harmonics generated by the high-order harmonic generation process and a synchronised infrared field. The approach, usually referred to as reconstruction of attosecond beating by interference of two-photon transitions (RABBIT), allows one to recover the relative phase between the comb of consecutive odd harmonics, thus providing access to the attosecond temporal structure of the radiation. Seeded free-electron lasers have recently demonstrated the generation of combs consisting of even and odd harmonics of the seeding radiation. In this scheme, each harmonic is generated by an independent undulator (or set thereof), providing an additional degree of freedom in selecting the specific harmonics that make up the extreme ultraviolet comb. Here, we present results on the generation and temporal characterisation of a comb consisting of non-consecutive harmonics. The single-shot correlation analysis of the photoelectron spectra and the reordering of the single-shot data using an attosecond timing tool allow the reconstruction of the group delay dispersion of the harmonic comb and the temporal reconstruction of the attosecond pulse train.https://doi.org/10.1038/s42005-025-02123-z |
| spellingShingle | Praveen Kumar Maroju Miguel Benito de Lama Michele Di Fraia Oksana Plekan Matteo Bonanomi Barbara Merzuk David Busto Ioannis Makos Marvin Schmoll Ronak Shah Primož Rebernik Ribič Luca Giannessi Enrico Allaria Giuseppe Penco Marco Zangrando Alberto Simoncig Michele Manfredda Giovanni De Ninno Carlo Spezzani Alexander Demidovich Miltcho Danailov Marcello Coreno Richard J. Squibb Raimund Feifel Samuel Bengtsson Emma Rose Simpson Tamás Csizmadia Mathieu Dumergue Sergei Kühn Kiyoshi Ueda Gabriele Zeni Fabio Frassetto Luca Poletto Kevin C. Prince Johan Mauritsson Johannes Feist Alicia Palacios Carlo Callegari Giuseppe Sansone Attosecond temporal structure of non-consecutive harmonic combs revealed by multiple near-infrared photon transitions in two-color photoionisation Communications Physics |
| title | Attosecond temporal structure of non-consecutive harmonic combs revealed by multiple near-infrared photon transitions in two-color photoionisation |
| title_full | Attosecond temporal structure of non-consecutive harmonic combs revealed by multiple near-infrared photon transitions in two-color photoionisation |
| title_fullStr | Attosecond temporal structure of non-consecutive harmonic combs revealed by multiple near-infrared photon transitions in two-color photoionisation |
| title_full_unstemmed | Attosecond temporal structure of non-consecutive harmonic combs revealed by multiple near-infrared photon transitions in two-color photoionisation |
| title_short | Attosecond temporal structure of non-consecutive harmonic combs revealed by multiple near-infrared photon transitions in two-color photoionisation |
| title_sort | attosecond temporal structure of non consecutive harmonic combs revealed by multiple near infrared photon transitions in two color photoionisation |
| url | https://doi.org/10.1038/s42005-025-02123-z |
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