Fig. 2.

Raman spectra at different laser power. a AS G and b 2D peak as function of P_L. (dots) Experimental data. (Lines) fitted Lorentzians convoluted with the spectral profile of the excitation pulse. The vertical dashed lines are the equilibrium, RT, Pos(G) and Pos(2D). c RT CW S G and d 2D peaks. The CW 2D is shifted by 5.4 cm⁻¹ for comparison with the AS ps-Raman, see Methods. The relative calibration accuracy is ∼2 cm⁻¹