Spin-orbit coupling induced ultrahigh-harmonic generation from magnetic dynamics

Ousmane Ly, Aurelien Manchon

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


The generation of a nonlinear high-frequency response in solids from powerful optical pumps has gained momentum over the past decade. High-harmonic generation (HHG) in solids can be obtained from strong-field laser excitation, usually restricted to optical frequencies and limited both in amplitude and in harmonic order. Here, we demonstrate that high-harmonic emission can be achieved by exploiting conventional spin pumping, without the need for optical excitation. Considering a noncentrosymmetric (ferro- or antiferro-)magnet excited at a frequency ω, we demonstrate the emergence of HHG in two main regimes: (i) In the perturbative regime, where a weak spin-orbit interaction is considered, the carrier pumping features a number of harmonics with a cutoff order nmax
Original languageEnglish (US)
JournalPhysical Review B
Issue number18
StatePublished - May 31 2022


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