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3 papers
Wannier quasi-classical approach to high harmonic generation in semiconductors
Andrew M. Parks, Guilmot Ernotte, Adam Thorpe +4
We develop a quasi-classical theory of high harmonic generation in semiconductors based on an interband current that has been transformed from Bloch to Wannier basis. The Wannier q…
A Gauge Invariant Formulation of Interband and Intraband Currents in Solids
Guilmot Ernotte, T. J. Hammond, Marco Taucer
Experiments and simulations in solid-state high harmonic generation often make use of the distinction between interband and intraband currents. These two contributions to the total…
Linearizing nonlinear optics
Bruno E. Schmidt, Philippe Lassonde, Guilmot Ernotte +4
In the framework of linear optics, light fields do not interact with each other in a medium. Yet, when their field amplitude becomes comparable to the electron binding energies of…