[9p-S5-1~12] 3.5 Ultrashort-pulse and high-intensity lasers

1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)

[9p-S5-1] Winding-number selection rules for nonlinear currents in graphene
driven by Laguerre–Gaussian beams

〇Tamaya Tomohiro¹, Kenichi Ishikawa¹ (1.Univ. Tokyo)

Keywords:

structured light,graphene,nonlinear current response

We theoretically analyze nonlinear DC currents induced in monolayer graphene driven by Laguerre–Gaussian beams. By decomposing the response into local and gradient sectors and evaluating the winding spectrum of azimuthal currents, we demonstrate sector-resolved winding-number selection rules.