Exciton-magnon splitting in van der Waals antiferromagnet MnPS${}_3$ unveiled by second-harmonic generation

Ziqian Wang, Xiao-Xiao Zhang, Yuki Shiomi +4

Ultrafast and coherent generation of magnons is of great significance for high-speed antiferromagnetic spintronics. One possible route is by exciton-magnon pairwise optical excitat…