Flexible Attosecond Soliton Transients for Extreme Resolution
FASTER aims to revolutionize ultrafast spectroscopy by creating attosecond optical pulses for direct observation of valence-electron interactions and fundamental processes in real-time.
Projectdetails
Introduction
Ultrafast laser pulses allow us to follow fundamental processes such as chemical reactions and electron transport at their natural timescale. Because optical (ultraviolet, visible or infrared) laser sources have not been able to reach the attosecond pulse duration required to investigate the fastest events, ultrafast science has moved to extreme-ultraviolet (XUV) wavelengths.
Challenges with XUV
However, XUV photon energies are far higher than the scale of chemically and electronically relevant valence-electron excitations, so XUV spectroscopy is at most only indirectly sensitive to some of the most important interactions. Furthermore, the low pulse energy of attosecond XUV sources has so far prevented experiments with true attosecond time resolution.
Project Goals
In FASTER, I will push far beyond the limits of conventional laser sources and bring attosecond time resolution to the optical domain. Using advanced optical soliton dynamics in gas-filled hollow capillary fibres, I will create:
- Ultrabroadband supercontinuum probe pulses
- Wavelength-tuneable pump pulses from the vacuum ultraviolet (100 nm) to the near infrared (1000 nm)
These pulses will have both attosecond duration and sufficient pulse energy for attosecond pump-probe studies. Using the flexibility of soliton dynamics and all-optical spatio-spectral manipulation, I will tailor these pulses to specific experiments.
Advancements in Spectroscopy
I will then take one step further and develop two-dimensional spectroscopy with the same approach, combining ultrabroadband optical attosecond pulses with the ability to identify different excitation pathways and quantum coherences.
Collaboration and Applications
In collaboration with expert groups, I will apply these new capabilities to some of the most challenging questions in ultrafast science and directly observe crucial valence-electron interactions with unprecedented time resolution.
Conclusion
FASTER aims at the physical limit of optical ultrafast laser pulses and a new regime of ultrafast spectroscopy, opening up entirely new ways of observing the fastest processes in nature.
Financiële details & Tijdlijn
Financiële details
Subsidiebedrag | € 2.453.025 |
Totale projectbegroting | € 2.453.025 |
Tijdlijn
Startdatum | 1-6-2025 |
Einddatum | 31-5-2030 |
Subsidiejaar | 2025 |
Partners & Locaties
Projectpartners
- HERIOT-WATT UNIVERSITYpenvoerder
Land(en)
Vergelijkbare projecten binnen European Research Council
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Quantum Controlled X-ray Spectroscopy of Elementary Molecular DynamicsQuantXS aims to revolutionize time-resolved X-ray spectroscopy by developing quantum-controlled methods to monitor molecular photochemistry with unprecedented precision. | ERC Starting... | € 1.401.103 | 2024 | Details |
Phase-Locked Photon-Electron Interactions for Ultrafast Spectroscopy beyond T2Develop a platform for ultrafast electron-beam spectroscopy to investigate quantum dynamics in solid-state networks, enhancing measurements beyond T2 with unprecedented temporal and spatial resolution. | ERC Consolid... | € 2.000.000 | 2025 | Details |
Ultrafast Picoscopy of Solids
The project aims to develop ultrafast picoscopy for real-time visualization of electron dynamics and atomic structures in materials at picometer and attosecond scales, benefiting multiple scientific fields.
Breaking resolution limits in ultrafast X-ray diffractive imaging
This project aims to enhance spatial resolution in femtosecond X-ray imaging of nanoscale processes by utilizing intense short FEL pulses and advanced reconstruction algorithms for improved photochemistry insights.
Solution attosecond chemistry
This project aims to investigate and manipulate core-excited states in solvated biomolecules using attosecond spectroscopy to enhance understanding of solute-solvent interactions and molecular mechanisms in radiotherapy.
Quantum Controlled X-ray Spectroscopy of Elementary Molecular Dynamics
QuantXS aims to revolutionize time-resolved X-ray spectroscopy by developing quantum-controlled methods to monitor molecular photochemistry with unprecedented precision.
Phase-Locked Photon-Electron Interactions for Ultrafast Spectroscopy beyond T2
Develop a platform for ultrafast electron-beam spectroscopy to investigate quantum dynamics in solid-state networks, enhancing measurements beyond T2 with unprecedented temporal and spatial resolution.
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