Figure 5
From: Nonlinear dynamics of trions under strong optical excitation in monolayer MoSe2
Polarization-resolved transient reflectivity of trions by σ+- or σ−-polarized probes (SCP or OCP) under σ+-polarized pumping. All the data are normalized relative to the peak value of SCP signal. The pump energy is set at 1.67 eV, and the probe energy is set on-resonant with trions. The green trace shows the intervalley decay dynamics by calculating the difference between the SCP and OCP signals. The negative decay components for both the SCP and OCP signals are extracted by fitting and marked with A3 · σ+ (Magenta trace) and A3 · σ− (Olive trace), respectively.
