Fig. 3: Separation of spin and EAC component signals and demonstration of modulating the emitted THz polarization. | npj Spintronics

Fig. 3: Separation of spin and EAC component signals and demonstration of modulating the emitted THz polarization.

From: Revisiting altermagnetism in RuO2: a study of laser-pulse induced charge dynamics by time-domain terahertz spectroscopy

Fig. 3

Time-domain traces of the emitted THz wave electric field components of (101) oriented sample with 12 nm thick RuO2 layer at ψ = 0° and θH = 90° a total electric field, b EAC component, and c total electric field with EAC component subtracted. d–h Parametric plots of Ex vs Ey for field angles between θH = 0° and 180°, with total signal (yellow), EAC component (red), and total signal minus EAC component (blue).

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