1. Pendry, J. B., "Negative refraction makes a perfect lens," Phys. Rev. Lett., Vol. 85, 3966, 2000.
doi:10.1103/PhysRevLett.85.3966        Google Scholar

2. Smith, D. R., D. Schurig, M. Rosenbluth, and S. Schultz, "Limitations on subdiffraction imaging with a negative refractive index slab," Appl. Phys. Lett., Vol. 82, 1506, 2003.
doi:10.1063/1.1554779        Google Scholar

3. Zhang, X. and Z. Liu, "Superlenses to overcome the diffraction limit," Nature Mater., Vol. 7, 435, 2008.
doi:10.1038/nmat2141        Google Scholar

4. Fang, N., H. Lee, C. Sun, and X. Zhang, "Sub-diffraction-limited optical imaging with a silver superlens," Science, Vol. 308, 534, 2005.
doi:10.1126/science.1108759        Google Scholar

5. Jacob, Z., L. V. Alekseyev, and E. E. Narimanov, "Optical hyperlens: Far-field imaging beyond the diffraction limit," Opt. Express, Vol. 14, 8247, 2006.
doi:10.1364/OE.14.008247        Google Scholar

6. Wood, B. and J. B. Pendry, "Directed sub-wavelength imaging using a layered metal-dielectric system," Phys. Rev. B, Vol. 74, 115116, 2006.
doi:10.1103/PhysRevB.74.115116        Google Scholar

7. Liu, Z., H. Lee, Y. Xiong, C. Sun, and X. Zhang, "Far-field optical hyperlens magnifying subdiffraction- limited objects," Science, Vol. 315, 1686, 2007.
doi:10.1126/science.1137368        Google Scholar

8. Rho, J., Z. Ye, Y. Xiong, X. Yin, Z. Liu, H. Choi, G. Bartal, and X. Zhang, "Spherical hyperlens for two-dimensional sub-diffractional imaging at visible frequencies," Nature Commun., Vol. 1, 143, 2010.
doi:10.1038/ncomms1148        Google Scholar

9. Sun, J., M. Shalaev, and N. Litchinitster, "Experimental demonstration of a non-resonant hyperlens in the visible spectral range," Nature Commun., Vol. 6, 7201, 2015.
doi:10.1038/ncomms8201        Google Scholar

10. Gwamuri, J., D. O. Guney, and J. M. Pearce, "Advances in plasmonic light trapping in thin-film solar photovoltaic devices," Solar Cell Nanotechnology, A. Tiwari, R. Boukherroub, and M. Sharon, eds., 243–270, Wiley, Beverly, 2013.        Google Scholar

11. Aydin, K., V. E. Ferry, R. M. Briggs, and H. A. Atwater, "Broadband polarization-independent resonant light absorption using plasmonic super absorbers," Nat. Commun., Vol. 2, 517, 2011.
doi:10.1038/ncomms1528        Google Scholar

12. Temnov, V. V., "Ultrafast acousto-magneto-plasmonics," Nat. Photonics, Vol. 6, 728, 2012.
doi:10.1038/nphoton.2012.220        Google Scholar

13. Aslam, M. I. and D. O. Guney, "On negative index metamaterial spacers and their unusual optical properties," Progress In Electromagnetics Research B, Vol. 47, 203, 2013.
doi:10.2528/PIERB12111908        Google Scholar

14. Sadatgol, M., M. Rahman, E. Forati, M. Levy, and D. O. Guney, "Enhanced Faraday rotation in hybrid magneto-optical metamaterial structure of bismuth-substituted-iron-garnet embedded-goldwires," J. Appl. Phys., Vol. 119, 103105, 2016.
doi:10.1063/1.4943651        Google Scholar

15. Abbe, E., "Beitrage zur theorie des mikroskops und der mikroskopischen wahrnehmung," Arch. F. Mikr. Anat., Vol. 9, 413-420, 1873.
doi:10.1007/BF02956173        Google Scholar

16. Poddubny, A., I. Iorsh, P. Belov, and Y. Kivshar, "Hyberbolic metamaterials," Nat. Photonics, Vol. 7, 948, 2013.
doi:10.1038/nphoton.2013.243        Google Scholar

17. Zhang, X., S. Debnath, and D. O. Guney, "Hyperbolic metamaterial feasible for fabrication with direct laser writing processes," J. Opt. Soc. Am. B, Vol. 32, 1013, 2015.
doi:10.1364/JOSAB.32.001013        Google Scholar

18. Guney, D. O., Th. Koschny, and C. M. Soukoulis, "Reducing ohmic losses in metamterials by geometric tailoring," Phys. Rev. B, Vol. 80, 125129, 2009.
doi:10.1103/PhysRevB.80.125129        Google Scholar

19. Lee, H., Z. Liu, Y. Xiong, C. Sun, and X. Zhang, "Development of optical hyperlens for imaging below the diffraction limit," Opt. Express, Vol. 15, 15886, 2007.
doi:10.1364/OE.15.015886        Google Scholar

20. Guney, D. O., Th. Koschny, and C. M. Soukoulis, "Surface plasmon driven electric and magnetic resonators for metamaterials," Phys. Rev. B, Vol. 83, 045107, 2011.
doi:10.1103/PhysRevB.83.045107        Google Scholar

21. Aslam, M. I. and D. O. Guney, "Surface plasmon driven scalable low-loss negative-index metamaterial in the visible spectrum," Phys. Rev. B, Vol. 84, 195465, 2011.
doi:10.1103/PhysRevB.84.195465        Google Scholar

22. Sadatgol, M., S. K. Ozdemir, L. Yang, and 9D. O. Guney, "Plasmon injection to compensate and control losses in negative index metamaterials," Phys. Rev. Lett., Vol. 115, 35502, 2015.
doi:10.1103/PhysRevLett.115.035502        Google Scholar

23. Xiao, S., V. P. Drachev, A. V. Kildishev, X. Ni, U. K. Chettiar, H.-K. Yuan, and V. M. Shalaev, "Loss-free and active optical negative-index metamaterials," Nature, Vol. 466, 735, 2010.
doi:10.1038/nature09278        Google Scholar

24. Stockman, M. I., "Spaser action, loss compensation, and stability in plasmonic systems with gain," Phys. Rev. Lett., Vol. 106, 156802, 2011.
doi:10.1103/PhysRevLett.106.156802        Google Scholar

25. Adams, W., M. Sadatgol, X. Zhang, and D. O. Guney, "Bringing the ‘perfect lens’ into focus by near-perfect compensation of losses without gain media,", arXiv: 1607.07464.        Google Scholar

26. Chen, Y., Y.-C. Hsueh, M. Man, and K. J. Webb, "Enhanced and tunable resolution from an imperfect negative refractive index lens," J. Opt. Soc. Am. B, Vol. 33, 445, 2016.
doi:10.1364/JOSAB.33.000445        Google Scholar

27. Johnson, P. B. and R. W. Christy, "Optical constants of the noble metals," Phys. Rev. B, Vol. 6, 4370, 1972.
doi:10.1103/PhysRevB.6.4370        Google Scholar

28. Palik, E. D., Handbook of Optical Constants of Solids III, Academic Press, 1998.

29. Taubner, T., D. Korobkin, Y. Urzhumov, G. Shvets, and R. Hillenbrand, "Near-field microscopy through a SiC superlens," Science, Vol. 313, 1595, 2006.
doi:10.1126/science.1131025        Google Scholar

30. Fienup, J. R., "Phase retrieval algorithms: A comparison," Appl. Opt., Vol. 21, 2758, 1982.
doi:10.1364/AO.21.002758        Google Scholar