Kildishev, A. V. . and Chettiar, U. K. . (2022) “Cascading Optical Negative Index Metamaterials”, Applied Computational Electromagnetics Society Journal (ACES), 22(1), pp. 172–183. Available at: https://journals.riverpublishers.com/index.php/ACES/article/view/16291 (Accessed: 13 May 2026).