Dimensionality dependence of optical nonlinearity and relaxation dynamics in cupratesM. Ashida, Y. Taguchi, Y. Tokura, R. T. Clay, S. Mazumdar, Yu. P. Svirko and M. Kuwata-GonokamiEurophys. Lett., 58 3 (2002) 455-461DOI: https://doi.org/10.1209/epl/i2002-00660-6