1. Smith, D. R. and N. Kroll, "Negative refractive index in left-handed material," Phys. Rev. Lett., Vol. 85, 2933, 2000.
doi:10.1103/PhysRevLett.85.2933
2. Grbic, A. and G. V. Eleftheriades, "Overcoming the diffraction limit with a planar left-handed transmission-line lens," Phys. Rev. Lett., Vol. 92, 117403, 2004.
doi:10.1103/PhysRevLett.92.117403
3. Pendry, J. B., D. Schurig, and D. R. Smith, "Controlling electromagnetic fields," Science, Vol. 312, 1780, 2006.
doi:10.1126/science.1125907
4. Ginis, V., P. Tassin, C. M. Soukoulis, and I. Veretennicoff, "Enhancing optical gradient forces with metamaterials," Phys. Rev. Lett., Vol. 110, 057401, 2013.
doi:10.1103/PhysRevLett.110.057401
5. Sreekanth, K. V., A. D. Luca, and G. Strangi, "Negative refraction in graphene-based hyperbolic metamaterials," Appl. Phys. Lett., Vol. 103, 023107, 2013.
doi:10.1063/1.4813477
6. Henriquez, V. C., V. M. Garcia-Chocano, and J. Sanchez-Dehesa, "Viscothermal losses in double-negative acoustic metamaterials," Phys. Rev. Appl., Vol. 8, 014029, 2017.
doi:10.1103/PhysRevApplied.8.014029
7. Alu, A. and N. Engheta, "Pairing an epsilon-negative slab with a mu-negative slab: Resonance, tunneling and transparency," IEEE Trans. Antennas Propagat., Vol. 51, 2558, 2003.
doi:10.1109/TAP.2003.817553
8. Fujishige, T., C. Caloz, and T. Itoh, "Experiment demonstration of transparency in the ENG-MNG pair in a CRLH transmission-line implementation," Microwave Opt. Tech. Lett., Vol. 46, 476, 2005.
doi:10.1002/mop.21022
9. Feng, T. H., Y. H. Li, J. Y. Guo, L. He, H. Q. Li, Y. W. Zhang, Y. L. Shi, and H. Chen, "Highly localized mode in a structure made of epsilon-negative and mu-negative metamaterial," J. Appl. Phys., Vol. 104, 013107, 2008.
doi:10.1063/1.2949264
10. Feng, T. H., Y. H. Li, H. T. Jiang, Y. Sun, L. He, H. Q. Li, Y. W. Zhang, Y. L. Shi, and H. Chen, "Electromagnetic tunneling in a sandwich structure containing single negative media," Phys. Rev. E, Vol. 79, 026601, 2009.
doi:10.1103/PhysRevE.79.026601
11. Jiang, H. T., H. Chen, H. Q. Li, Y. W. Zhang, J. Zi, and S. Y. Zhu, "Properties of one-dimensional photonic crystals containing single-negative materials," Phys. Rev. E, Vol. 69, 066607, 2004.
doi:10.1103/PhysRevE.69.066607
12. Zhang, L. W., Y. W. Zhang, L. He, H. Q. Li, and H. Chen, "Experimental study of photonic crystals consisting of ε-negative and μ-negative materials," Phys. Rev. E, Vol. 74, 056615, 2006.
doi:10.1103/PhysRevE.74.056615
13. Wang, Z. L., H. T. Jiang, Y. H. Li, and H. Chen, "Enhancement of self-collimated fields in photonic crystals consisting of two kinds of single-negative materials," Opt. Express, Vol. 18, 14311, 2010.
doi:10.1364/OE.18.014311
14. Feng, T. H., F. Yang, Y. H. Li, et al. "Light tunneling effect tuned by a meta-interface with electromagnetically-induced-transparency-like properties," Appl. Phys. Lett., Vol. 102, 251908, 2013.
doi:10.1063/1.4810020
15. Shadrivov, I. V., A. A. Zharov, and Y. S. Kivshar, "Second-harmonic generation in nonlinear left-handed metamaterials," J. Opt. Soc. Am. B, Vol. 23, 529, 2006.
doi:10.1364/JOSAB.23.000529
16. Litchinitser, N. M., I. R. Gabitov, and A. I. Maimistov, "Optical bistability in a nonlinear optical coupler with a negative index channel," Phys. Rev. Lett., Vol. 99, 113902, 2007.
doi:10.1103/PhysRevLett.99.113902
17. Wang, Z. Y., Y. Luo, T. Jiang, et al. "Harmonic image reconstruction assisted by a nonlinear metmaterial surface," Phys. Rev. Lett., Vol. 106, 047402, 2011.
doi:10.1103/PhysRevLett.106.047402
18. De Ceglia, D., M. A. Vincenti, S. Campione, et al. "Second-harmonic double-resonance cones in dispersive hyperbolic metamaterials," Phys. Rev. B, Vol. 89, 075123, 2014.
doi:10.1103/PhysRevB.89.075123
19. Nouri, N. and M. Zavvari, "Second-harmonic generation in iii-nitride quantum wells enhanced by metamaterials," IEEE Photonics Technology Letters, Vol. 28, 2199, 2016.
doi:10.1109/LPT.2016.2587680
20. Deska, R., K. Sadecka, et al. "Nonlinear plasmonics in eutectic composites: Second harmonic generation and two-photon luminescence in a volumetric Bi2O3-Ag metamaterial," Appl. Phys. Lett., Vol. 110, 031102, 2017.
doi:10.1063/1.4974208
