Presentation Information
[24p-11F-4]Simulation of harmonic generation by silicon nanostructure II
〇Mitsuharu Uemoto1, Koki Kihara1, Gosuke Matsuura1, Shunsuke Yamada2 (1.Kobe Univ., 2.QST)
Keywords:
all-dielectric nanostructures,first-principles,electron dynamics
We have developed a multiscale method that combines electromagnetic field simulations using the finite-difference time-domain (FDTD) method with first-principles electronic dynamics calculations. This method is designed to quantitatively analyze the nonlinear optical properties of all-dielectric semiconductor nanoparticles and metasurfaces.
In this work, we have performed simulations of harmonic generation in silicon nanostructures under high-intensity laser fields and investigated the dependence of harmonic intensity on the nanostructures' shape parameters. We have revealed the enhancement of harmonic generation under the Mie resonance conditions of the nanostructures and clarified the angular distribution of the high harmonics.
In this work, we have performed simulations of harmonic generation in silicon nanostructures under high-intensity laser fields and investigated the dependence of harmonic intensity on the nanostructures' shape parameters. We have revealed the enhancement of harmonic generation under the Mie resonance conditions of the nanostructures and clarified the angular distribution of the high harmonics.