Figure source data for "Photoengineering the Magnon Spectrum in Insulating Antiferromagnet"

Figure 1:(b) 1b.txt — Time-resolved Faraday rotation traces(c) 1c.txt — Fourier spectra of time-resolved traces(d) 1d_absorption.txt — Optical absorption spectrum(d) 1d_bandwidth.txt — Spectral bandwidth vs photon energy(d) 1d_inset.txt — Time-resolved traces across CT-bandgap Figure 2:(a) 2a.txt — Time-resolved Faraday rotation at different fluences(b) 2b_Fourier.txt — FFT spectra of traces(b) 2b_inset.txt — Bandwidth and peak frequency vs fluence Figure 3:(a) 3a.txt — Time-resolved Kerr rotation at finite k=k0(b) 3b.txt — Fourier spectra of k ≈ 0 and k = k0 modes Figure 4:(a) 4a.txt — Spatial and time-profile of quench(d) 4d_finitek_exp.txt — Experimental oscillation amplitudes vs fluence (finite k)(d) 4d_finitek_theory.txt — Theoretical amplitudes vs quench strength (finite k)(d) 4d_k=0_exp.txt — Experimental oscillation amplitudes vs fluence (k ≈ 0)(d) 4d_k=0_theory.txt — Theoretical amplitudes vs quench strength (k ≈ 0) Extended Data Fig. 2:(a) E2a.txt — Time-traces, off-resonant regime(a) E2a_inset.txt — Amplitude vs pump polarization angle(b) E2b.txt — Time-traces, CT-regime(b) E2b_inset.txt — Amplitude vs pump polarization angle Extended Data Fig. 3:(a) E3a.txt — Fourier spectra at different temperatures(b) E3b.txt — Frequencies vs temperature(b) E3b_Balbashov.txt — Digitalized from [Balbashov, A., et al. High-frequency 436 magnetic properties of dysprosium orthoferrite. Zh Eksp Teor Fiz 88, 974–987 (1985).] Extended Data Fig. 4:(a) E4a.txt — Time-resolved Kerr rotation at finite k=k0(b) Eb_inset.txt — Fourier spectrum of k=k0 mode(c) E4c.txt — Frequencies vs temperature for equilibrium f0 magnon, in-gap state fp and k=k0 phonon Extended Data Fig. 5:(a) E5a.txt — Time-traces for different pump photon energies(b) E5b_distortion.txt — Distortion duration τ vs pump photon energy(b) E5b_penetration.txt — Penetration depth δ vs pump photon energy Extended Data Fig. 6:(a) E6a.txt — Time-traces of k = k0 mode at different fluences(b) E6b.txt — Decay rate γk vs fluence(b) E6b_inset .txt — Fourier transform of k = k0 mode at different fluences Extended Data Fig. 7:(a) E7.txt — Transient reflectivity trace(a) E7_amplitude.txt — Fluence dependence of τ1 amplitude