High-order harmonic generation driven by metal nanotip photoemission: theory and simulations
arXiv:1309.0349 · doi:10.1103/PhysRevA.89.013409
Abstract
We present theoretical predictions of high-order harmonic generation (HHG) resulting from the interaction of short femtosecond laser pulses with metal nanotips. It has been demonstrated that high energy electrons can be generated using nanotips as sources; furthermore the recollision mechanism has been proven to be the physical mechanism behind this photoemission. If recollision exists, it should be possible to convert the laser-gained energy by the electron in the continuum in a high energy photon. Consequently the emission of harmonic radiation appears to be viable, although it has not been experimentally demonstrated hitherto. We employ a quantum mechanical time dependent approach to model the electron dipole moment including both the laser experimental conditions and the bulk matter properties. The use of metal tips shall pave a new way of generating coherent XUV light with a femtosecond laser field.
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- Numerical studies of light-matter interaction driven by plasmonic fields: the velocity gauge
- Coherent XUV generation driven by sharp metal tips photoemission
- Tuning High-Harmonic Generation by Controlled Deposition of Ultrathin Ionic Layers on Metal Surfaces
- Topological Constraint Theory and Rigidity of Glasses
- Theoretical Atto-nano Physics
- Optimal control of photoelectron emission by realistic waveforms
- Sturmian-Floquet approach to high-order harmonic generation
- Non-perturbative Solution of the 1d Schrodinger Equation Describing Photoemission from a Sommerfeld model Metal by an Oscillating Field