Saved in:
| Main Authors: | , , , , , , , , , , , |
|---|---|
| Format: | Preprint |
| Published: |
2025
|
| Subjects: | |
| Online Access: | https://arxiv.org/abs/2502.20564 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866910849921187840 |
|---|---|
| author | Koll, Lisa-Marie Jensen, Simon Vendelbo Bylling van Essen, Pieter J. de Keijzer, Brian Olsson, Emilia Cottom, Jon Witting, Tobias Husakou, Anton Vrakking, Marc J. J. Madsen, Lars Bojer Kraus, Peter M. Jürgens, Peter |
| author_facet | Koll, Lisa-Marie Jensen, Simon Vendelbo Bylling van Essen, Pieter J. de Keijzer, Brian Olsson, Emilia Cottom, Jon Witting, Tobias Husakou, Anton Vrakking, Marc J. J. Madsen, Lars Bojer Kraus, Peter M. Jürgens, Peter |
| contents | Interferometry is a fundamental technique in physics, enabling precise measurements through the interference of waves. High-harmonic generation (HHG) in solids has emerged as a powerful method for probing ultrafast electronic dynamics within crystalline structures.
In this study, we employed extreme ultraviolet (XUV) high-harmonic interferometry with phase-locked XUV pulse pairs to investigate excitation-induced bandgap dynamics in solids. Our experiments on amorphous SiO2 and crystalline MgO, complemented by analytical modeling and semiconductor Bloch equation simulations, reveal a correlation between transient bandgap modifications and variations in the phase of harmonic emission. These findings suggest a potential pathway for sub-cycle, all-optical control of band structure modifications, advancing prospects for petahertz-scale electronic applications and attosecond diagnostics of carrier dynamics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_20564 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Extreme Ultraviolet High-Harmonic Interferometry of Excitation-Induced Bandgap Dynamics in Solids Koll, Lisa-Marie Jensen, Simon Vendelbo Bylling van Essen, Pieter J. de Keijzer, Brian Olsson, Emilia Cottom, Jon Witting, Tobias Husakou, Anton Vrakking, Marc J. J. Madsen, Lars Bojer Kraus, Peter M. Jürgens, Peter Optics Materials Science Interferometry is a fundamental technique in physics, enabling precise measurements through the interference of waves. High-harmonic generation (HHG) in solids has emerged as a powerful method for probing ultrafast electronic dynamics within crystalline structures. In this study, we employed extreme ultraviolet (XUV) high-harmonic interferometry with phase-locked XUV pulse pairs to investigate excitation-induced bandgap dynamics in solids. Our experiments on amorphous SiO2 and crystalline MgO, complemented by analytical modeling and semiconductor Bloch equation simulations, reveal a correlation between transient bandgap modifications and variations in the phase of harmonic emission. These findings suggest a potential pathway for sub-cycle, all-optical control of band structure modifications, advancing prospects for petahertz-scale electronic applications and attosecond diagnostics of carrier dynamics. |
| title | Extreme Ultraviolet High-Harmonic Interferometry of Excitation-Induced Bandgap Dynamics in Solids |
| topic | Optics Materials Science |
| url | https://arxiv.org/abs/2502.20564 |