T. Koutserimpas, A. Alù, and R. Fleury. Parametric Amplification and Bidirectional Invisibility in PT-Symmetric Time-Floquet Systems. Physical Review A, 2018, 97, 1, 013839. (arxiv)
T. Koutserimpas, A. Alù, and R. Fleury. Parametric Amplification and Bidirectional Invisibility in PT-Symmetric Time-Floquet Systems. Physical Review A, 2018, 97, 1, 013839. (arxiv)