1. N. Engheta, "Circuits with light at nanoscales: optical nanocircuits inspired by metamaterials," Science 317, 1698-1702 (2007) 10.1126/science.1133268
2. M. Silveirinha and N. Engheta, "Tunneling of electromagnetic energy through subwavelength channels and bends using ɛ-near-zero materials," Phys. Rev. Lett. 97, 157403 (2006) 10.1103/PhysRevLett.97.157403
3. A. Salandrino and N. Engheta, "Far-field subdiffraction optical microscopy using metamaterial crystals: theory and simulation," Phys. Rev. B 74, 075103 (2006) 10.1103/PhysRevB.74.075103
4. A. Alu, M. G. Silveirinha, A. Salandrino, and N. Engheta, "Epsilon-near-zero metamaterials and electromagnetic sources: Tailoring the radiation phase pattern," Phys. Rev. B 75, 155410 (2007) 10.1103/PhysRevB.75.155410
5. L. Shen, J. J. Wu, and T. J. Yang, "Anisotropic medium with parabolic dispersion," Appl. Phys. Lett. 92, 261905 (2008) 10.1063/1.2953546