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9 March 2022 Bicircular laser illumination as a method of inducing topological current structures in graphene
Julia Derlikiewicz, Felipe Cajiao Vélez, Jerzy Z. Kaminski, Katarzyna Krajewska
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Proceedings Volume PC12015, Quantum Computing, Communication, and Simulation II; PC120150G (2022) https://doi.org/10.1117/12.2610195
Event: SPIE OPTO, 2022, San Francisco, California, United States
Abstract
In our theoretical research, we investigated how the interaction of graphene with a bi-circular laser field modifies the electronic band structure near the Dirac points. The Dirac-Weyl-Majorana equation, solved using the Floquet theory and the Fourier decomposition, was used to determine the currents induced in graphene. The results show the presence of characteristic current structures with non-zero topological charges, which in turn lead to the generation of high-order harmonics with specific polarization and topological properties.
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Julia Derlikiewicz, Felipe Cajiao Vélez, Jerzy Z. Kaminski, and Katarzyna Krajewska "Bicircular laser illumination as a method of inducing topological current structures in graphene", Proc. SPIE PC12015, Quantum Computing, Communication, and Simulation II, PC120150G (9 March 2022); https://doi.org/10.1117/12.2610195
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KEYWORDS
Graphene
Hydrogen
Laser scattering
Nanoelectronics
Polarization
Scattering
Semiconductors
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