Dark excited states of carotenoid in light harvesting complex probing with femtosecond stimulated Raman spectroscopyO. Yoshimatsu, K. Abe, S. Sakai, T. Horibe, R. Fujii, M. Nango, H. Hashimoto and M. YoshizawaEPJ Web of Conferences, 41 (2013) 08007DOI: https://doi.org/10.1051/epjconf/20134108007