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Effects of polarization direction, amplitude, and photon energy of linearly polarized laser on high order harmonic generation of C60.
- Source :
-
AIP Advances . Dec2023, Vol. 13 Issue 12, p1-6. 6p. - Publication Year :
- 2023
-
Abstract
- The study of high-order harmonic generation (HHG) in confined quantum systems is essential for developing a comprehensive physical description of harmonic generation from atoms to bulk solids. Using the time-dependent density-functional theory, we demonstrate how the symmetry of the system modulates the generation of high-order harmonic in fullerene C60 molecules along different orthogonal directions, as well as the effects of amplitude and photon energy of a linearly polarized laser on high-order harmonics generation. We found that the generation of high-order harmonics perpendicular to the laser polarization direction (LPD) is related to the symmetry of molecules along the LPD and the symmetry of molecules perpendicular to the LPD. Within a certain parameter range, the cut-off energy is linearly proportional to the laser amplitude and the laser photon energy. [ABSTRACT FROM AUTHOR]
- Subjects :
- *HARMONIC generation
*PHOTONS
*BULK solids
*LASERS
*ATTOSECOND pulses
Subjects
Details
- Language :
- English
- ISSN :
- 21583226
- Volume :
- 13
- Issue :
- 12
- Database :
- Academic Search Index
- Journal :
- AIP Advances
- Publication Type :
- Academic Journal
- Accession number :
- 174524806
- Full Text :
- https://doi.org/10.1063/5.0170173