Spectral phase pulse shaping reduces ground state depletion in high-order harmonic generation J. Aygun, C. G. Buitrago, M. F. Ciappina and A. L. Harris Eur. Phys. J. D, 78 8 (2024) 103 Published online: 13 August 2024 DOI: 10.1140/epjd/s10053-024-00890-y