Fig. 1

Schematic of the combined MPE-MEG mechanism. Multiple photon excitation with below-band-gap photons of energies hν4 and hν3 resonantly matching the energy levels 3|x> and 2|x> associated to multiple exciton generation

Schematic of the combined MPE-MEG mechanism. Multiple photon excitation with below-band-gap photons of energies hν4 and hν3 resonantly matching the energy levels 3|x> and 2|x> associated to multiple exciton generation