Anomalous bistable shift for a one-dimensional photonic crystal doped with a subwavelength layer and a nonlinear layerP. Hou, Y. Chen, J. Shi, M. Shen, X. Chen and Q. WangEPL, 81 6 (2008) 64003DOI: https://doi.org/10.1209/0295-5075/81/64003