Fig. 6
From: Ultrafast optical manipulation of magnetic order in ferromagnetic materials
a Magnetization diagram with respect to the fluence, pulse duration (PD), and laser beam diameter. b Magneto-optical Kerr imaging after 50 and 10 pulses with laser duration of 2 ps. c All-optical switching of GdFeCo/Cu/[Co/Pt] spin-valve structure. d Dependence of measured switched domain size with pump laser pulse energy. Figure a and b are reproduced with permission from ref. [105]. Copyright (2019) American Physical Society. Figure c is reproduced with permission from ref. [108]. Copyright (2018) WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim. Figure d is reproduced with permission from ref. [109], under a Creative Commons Attribution 4.0 International License