Spectral broadening due to ponderomotive effects significantly limits the spectral brightness of light sources generated by nonlinear Compton scattering.In this study,within the strong-field quantum electrodynamics fr...Spectral broadening due to ponderomotive effects significantly limits the spectral brightness of light sources generated by nonlinear Compton scattering.In this study,within the strong-field quantum electrodynamics framework,we demonstrate that equal-power frequency-chirped laser pulses can significantly suppress spectral broadening by combining frequency modulation with temporal pulse extension.展开更多
基金supported by the National Key Research and Development Program of China(Grant No.2022YFE0134200)the National Natural Science Foundation of China(Grant Nos.12474343and 12174147)the Graduate Innovation Fund of Jilin University(Grant No.2024KC048)。
文摘Spectral broadening due to ponderomotive effects significantly limits the spectral brightness of light sources generated by nonlinear Compton scattering.In this study,within the strong-field quantum electrodynamics framework,we demonstrate that equal-power frequency-chirped laser pulses can significantly suppress spectral broadening by combining frequency modulation with temporal pulse extension.