data from all figures in the paper: Fig. 1 | Raman scattering from biphenyl-4-thiol (BPT) in plasmonic nanocavities Fig. 3 | SE-CARS spectro-temporal scan Fig. 4 | Population and coherence decay from an individual NPoM Fig. 5 | Average population and coherence decay from many NPoMs Fig. 6 | trIARS spectro-temporal scan Fig. 6 | trIARS spectro-temporal scan. Fig. 8 | Decay parameter analysis for many NPoMs