Excitation and Detection of THz Coherent Spin Waves in Antiferromagnetic $\alpha -\mathrm{F}{\mathrm{e}}_2{\mathrm{O}}_3$

K. Grishunin, E. A. Mashkovich, A. M. Balbashov +2

The efficiency of ultrafast excitation of spins in antiferromagnetic $\alpha -\mathrm{F}{\mathrm{e}}_2{\mathrm{O}}_3$ using nearly single-cycle THz pulse is studied as a function of the polarization of th…