Spectral pulse synthesis in large-scale ultrafast coherent combining systems F. Guichard, M. Hanna, L. Lombard, Y. Zaouter, C. Hönninger, F. Morin, F. Druon, E. Mottay and P. Georges Eur. Phys. J. Special Topics, 224 13 (2015) 2545-2549 Published online: 26 October 2015 DOI: 10.1140/epjst/e2015-02563-y