Enhancement of polarization anisotropy in ultrafast carrier dynamics by intramolecular excitation in the organic conductor κ-(BEDT- TTF)2Cu(NCS)2K. Nakagawa, T. Sato, S. Tsuchiya, J. Yamada and Y. TodaEPL, 136 5 (2021) 57001DOI: https://doi.org/10.1209/0295-5075/ac4c02