V. G. Veselago, “The electrodynamics of substances with simultaneously negative values of permittivity and permeability,” Soviet Physics Uspekhi, Vol. 10, pp. 509–514, 1968.
D. R. Smith, W. J. Padilla, and D. C. Vier, “Composite medium with simultaneously negative permeability and permittivity,” Physics Review Letters, Vol. 84, pp. 4184–4187, 2000.
R. A. Shelby, D. R. Smith, and S. Schultz, “Experimental verification of a negative index of refraction,” Science, Vol. 292, pp. 77–79, 2001.
R. W. Ziolkowski, “Design, fabrication, and testing of double negative metamaterials,” IEEE Transaction on Antennas and Propagation, Vol. 57, pp. 1516–1528, 2003.
H. Chen, L. Ran, J. Huangfu, X. Zhang, K. Chen, T. M. Grzegorczyk, and J. A. Kong, “Left-handed materials composed of only S-shaped resonators,” Physics Review E, Vol. 70, 057605-1-4, 2004.
G. V. Eleftheriades, A. K. Iyer, and P. C. Kremer, “Planar negative refractive index media using periodically L-C loaded transmission lines,” IEEE Transaction on Microwave Theory and Techniques, Vol. 50, pp. 2702–2712, 2002.
L. Liu, C. Caloz, C. Chang, and T. Itoh, “Forward coupling phenomena between artificial left-handed transmission lines,” Journal of Applied Physics, Vol. 92, pp. 5560–5565, 2002.
M. Notomi, “Theory of light propagation in strongly modulated photonic crystals: Refractionlike behavior in the vicinity of the photonic band gap,” Physical Review B, Vol. 62, pp. 10696–10705, 2000.
P. V. Parimi, W. T. Lu, J. S. Derov, J. Sokoloff, J. S. Derov, and S. Sridhar, “Negative refraction and left- handed electromagnetism in microwave photonic crystals,” Physics Review Letters, Vol. 92, 127401-1-4, 2004.
S. Lim, C. Caloz, and T. Ttoh, “Electronically scanned composite right/left handed microstrip leaky-wave antenna,” IEEE Microwave Wireless Components Letters, Vol. 14, pp. 277–279, 2004.
H. Tao, N. I. Landy, C. M. Bingham, X. Zhang, R. D. Averitt, and W. J. Padilla, “A metamateial absorber for the terahertz regime: Design, fabrication and characterization,” Optics Express, Vol. 16, pp. 7181–7188, 2008.
D. Qiang and G. Chen, “Enhancement of evanescent waves in waveguides using metamaterials of negative permittivity and permeability,” Applied Physics Letters, Vol. 84, pp. 669–671, 2004.
K. Aydin and E. Ozbay, “Left-handed metamaterial based superlens for subwavelength imaging of electromagnetic waves,” Applied Physics A, Vol. 87, pp. 137–141, 2007.
J. B. Pendry, A. J. Holden, W. J. Stewart, and I. Youngs, “Extremely low frequency plasmons in metallic meso- structures,” Physics Review Letters, Vol. 76, pp. 4773–4776, 1996.
J. B. Pendry, A. J. Holden, D. J. Robbins, and W. J. Stewart, “Magnetism from conductors and enhanced nonlinear phenomena,” IEEE Transaction on Microwave Theory and Techniques, Vol. 47, pp. 2075–2084, 1999.
D. Schurig, J. J. Mock, B. J. Justice, S. A. Cummer, J. B. Pendry, A. F. Starr, and D. R. Smith, “Metamaterial electromagnetic cloak at microwave frequencies,” Science, Vol. 314, pp. 977–980, 2006.
H. Chen, Z. Liang, P. Yao, X. Jiang, H. Ma, and C. Chan, “Extending the bandwidth of electromagnetic cloaks,” Physics Review B, Vol. 76, 201104-1-4, 2007.
G. Dewar, “The applicability of ferromagnetic hosts to nanostructures negative index of refractive (left-handed) materials,” Proceedings SPIE, Vol. 4806, pp. 156–166, 2002.
Y. J. Cao, G. J. Wen, K. M. Wu, and X. H. Xu, “A novel approach to design microwave medium of negative refractive index and simulation verification,” Chinese Science Bulletin, Vol. 52, pp. 433–439, 2007.
X. B. Cai, X. M. Zhou, and G. K. Hu, “Numerical Study on Left-Handed Materials Made of Ferrite and Metallic Wires,” Chinese Physics Letters, Vol. 23, pp. 348–351, 2006.
H. J. Zhao, J. Zhou, Q. Zhao, B. Li, L. Kang, and Y. Bai, “Magnetotunable left-handed material consisting of yttrium iron garnet slab and metallic wires,” Applied. Physics Letters, Vol. 91, 131107-1-3, 2007.
Y. X. He, P. He, S. D. Yoon, P. V. Parimi, F. J. Rachford, V. G. Harris, and C. Vittoria, “Tunable negative index metamaterial using yttrium iron garnet,” Journal of Magnetism and Magnetic Materials, Vol. 313, pp. 187–191, 2007.