Raman Interferometry between Autoionizing States to Probe Ultrafast Wave-Packet Dynamics with High Spectral Resolution
Photoelectron interferometry with femtosecond and attosecond light pulses is a powerful probe of the fast electron wave-packet dynamics, albeit it has practical limitations on the energy resolution. We show that one can simultaneously obtain both high temporal and spectral resolution by stimulating...
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| Veröffentlicht in: | Physical review letters 2022-02, Vol.128 (8), p.083001-083001, Article 083001 |
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| container_issue | 8 |
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| container_title | Physical review letters |
| container_volume | 128 |
| creator | Plunkett, A Alarcón, M A Wood, J K Greene, C H Sandhu, A |
| description | Photoelectron interferometry with femtosecond and attosecond light pulses is a powerful probe of the fast electron wave-packet dynamics, albeit it has practical limitations on the energy resolution. We show that one can simultaneously obtain both high temporal and spectral resolution by stimulating Raman interferences with one light pulse and monitoring the modification of the electron yield in a separate step. Applying this spectroscopic approach to the autoionizing states of argon, we experimentally resolved its electronic composition and time evolution in exquisite detail. Theoretical calculations show remarkable agreement with the observations and shed light on the light-matter interaction parameters. Using appropriate Raman probing and delayed detection steps, this technique enables highly sensitive probing and control of electron dynamics in complex systems. |
| doi_str_mv | 10.1103/PhysRevLett.128.083001 |
| format | Article |
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| source | American Physical Society Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | atomic & molecular processes in external fields ATOMIC AND MOLECULAR PHYSICS autoionization & Auger processes coherent control Physics stimulated Raman scattering ultrafast phenomena ultrafast pump-probe spectroscopy |
| title | Raman Interferometry between Autoionizing States to Probe Ultrafast Wave-Packet Dynamics with High Spectral Resolution |
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