2003/11/20 by Vassilij Belkov, V. V. Bel'kov, S. D. Ganichev +20
Engineering · Physics and Astronomy · #Condensed Matter (cond-mat) #FOS: Physical sciences #Magneto-Optical Properties and Applications #Photonic Crystals and Applications #Photorefractive and Nonlinear Optics #cond-mat
paper · pdf · doi:10.48550/arxiv.cond-mat/0311474
15 pages, 4 figures
arxiv created 2003/11/20 · openalex publication_date 2003/11/20 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We investigate both experimentally and theoretically, the magneto-gyrotropic photogalvanic effect in zinc-blende based quantum wells with C2v point-group symmetry using optical excitation in the terahertz frequency range. The investigated frequencies cause intra-subband but no inter-band and inter-subband transitions. While at normal incidence the photocurrent vanishes at zero magnetic field, it is shown that an in-plane magnetic field generates photocurrents both for polarized and unpolarized excitation. In general the spin-galvanic effect, caused by circularly polarized light, and the magneto-gyrotropic effect, caused by unpolarized excitation, is superimposed. It is shown that in the case of two specific geometries both effects are separable.