Optically excited spin dynamics of thermally metastable skyrmions in Fe0.75Co0.25SiRemoveJ. Kalin, S. Sievers, H. Füser, H. W. Schumacher, M. Bieler, F. García-Sánchez, A. Bauer, and C. PfleidererPhys. Rev. B 106, 054430 (2022)