Ultrafast Energy Transfer in an Artificial Photosynthetic Antenna M. Maiuri, J.J. Snellenburg, I.H.M. van Stokkum, S. Pillai, D. Gust, T.A. Moore, A.L. Moore, R. van Grondelle, G. Cerullo and D. Polli EPJ Web of Conferences, 41 (2013) 08010 Published online: 13 March 2013 DOI: 10.1051/epjconf/20134108010