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图1：(b) 1b.txt — 时间分辨法拉第旋转（Faraday rotation）轨迹；(c) 1c.txt — 时间分辨轨迹的傅里叶频谱；(d) 1d_absorption.txt — 光吸收光谱；(d) 1d_bandwidth.txt — 光谱带宽随光子能量的变化；(d) 1d_inset.txt — 跨电荷转移带隙（CT-bandgap）的时间分辨轨迹 图2：(a) 2a.txt — 不同注量下的时间分辨法拉第旋转信号；(b) 2b_Fourier.txt — 轨迹的快速傅里叶变换（Fast Fourier Transform, FFT）频谱；(b) 2b_inset.txt — 带宽与峰值频率随注量的变化关系 图3：(a) 3a.txt — 有限波矢k=k₀下的时间分辨克尔旋转（Kerr rotation）信号；(b) 3b.txt — k≈0与k=k₀模式的傅里叶频谱 图4：(a) 4a.txt — 淬灭（quench）过程的空间与时间分布；(d) 4d_finitek_exp.txt — 有限波矢k下的实验振荡幅度随注量的变化关系；(d) 4d_finitek_theory.txt — 有限波矢k下的理论振荡幅度随淬灭强度的变化关系；(d) 4d_k=0_exp.txt — k≈0下的实验振荡幅度随注量的变化关系；(d) 4d_k=0_theory.txt — k≈0下的理论振荡幅度随淬灭强度的变化关系 扩展数据图2：(a) E2a.txt — 非共振区的时间轨迹；(a) E2a_inset.txt — 信号幅度随泵浦偏振角的变化关系；(b) E2b.txt — 电荷转移（CT）区的时间轨迹；(b) E2b_inset.txt — 信号幅度随泵浦偏振角的变化关系 扩展数据图3：(a) E3a.txt — 不同温度下的傅里叶频谱；(b) E3b.txt — 振荡频率随温度的变化关系；(b) E3b_Balbashov.txt — 数字化自文献[Balbashov, A., et al. 铁酸镝的高频磁特性. 实验与理论物理学报, 88, 974–987 (1985).] 扩展数据图4：(a) E4a.txt — 有限波矢k=k₀下的时间分辨克尔旋转信号；(b) Eb_inset.txt — k=k₀模式的傅里叶频谱；(c) E4c.txt — 平衡态磁振子（magnon）f₀、带内隙态（in-gap state）f_p以及k=k₀声子（phonon）的振荡频率随温度的变化关系 扩展数据图5：(a) E5a.txt — 不同泵浦光子能量下的时间轨迹；(b) E5b_distortion.txt — 畸变持续时间τ随泵浦光子能量的变化关系；(b) E5b_penetration.txt — 穿透深度δ随泵浦光子能量的变化关系 扩展数据图6：(a) E6a.txt — 不同注量下k=k₀模式的时间轨迹；(b) E6b.txt — 衰减速率γ_k随注量的变化关系；(b) E6b_inset .txt — 不同注量下k=k₀模式的傅里叶变换频谱 扩展数据图7：(a) E7.txt — 瞬态反射率（transient reflectivity）轨迹；(a) E7_amplitude.txt — τ₁幅度的注量依赖关系