1. Semichaevsky, A. and A. Akyurtlu, "Homogenization of metamaterial-loaded substrates and superstrates for antennas," Progress In Electromagnetics Research, Vol. 71, 129-147, 2007.
doi:10.2528/PIER07021001

2. Singh, G., "Double negative left-handed metamaterials for miniaturization of rectangular microstrip antenna," Journal of Electromagnetic Analysis & Applications, Vol. 2, 347-351, 2010.
doi:10.4236/jemaa.2010.26044

3. Lee, J. and Y. Hao, "Characterization of microstrip patch antennas on metamaterial substrates loaded with complementary split-ring resonators," Microwave Opt. Tech. Lett., Vol. 50, No. 8, Aug. 2008.
doi:10.1002/mop.23596

4. Alu, J., F. Bilotti, N. Engheta, and L. Vegni, "Subwavelength compact, resonant patch antenna loaded with metamaterials," IEEE Trans. Antennas Propag., Vol. 55, No. 1, Jan. 2007.
doi:10.1109/TAP.2006.888401

5. Li, L.-W., Y.-N. T. S. Yeo, J. R. Mosig, and O. J. F. Martin, "A broadband and high-gain metamaterial microstrip antenna," Appl. Phys. Lett., Vol. 96, 164101, 2010.
doi:10.1063/1.3396984

6. Chaimool, S., K. L. Chung, and P. Akkaraekthalin, "Simultaneous gain and bandwidths enhancement of a single-feed circularly polarized microstrip patch antenna using a metamaterial reflective surface," Progress In Electromagnetics Research B, Vol. 22, 23-37, 2010.
doi:10.2528/PIERB10031901

7. Griguer, H., E. Marzolf, H. Lalj, F. Riouch, and M. Drissi, "Patch antenna bandwidth enhancement through the use of metamaterials," International Conference on Telecommunications, 2009, ICT'09, 2009.

8. Enoch, S., G. Tayeb, P. Sabouroux, N. Guerin, and P. Vincent, "A metamaterial for directive emission," Phys. Rev. Lett., Vol. 89, 2002.
doi:10.1103/PhysRevLett.89.213902

9. Hu, J., et al. "A new patch antenna with metamaterial cover," Zhejiang University SCIENCE A, Vol. 7, 89-94, 2006.
doi:10.1631/jzus.2006.A0089

10. Attia, H., L. Yousefi, M. S. Boybay, and O. M. Ramahi, "Enhanced-gain microstrip antenna using engineered magnetic superstrates," IEEE Antennas Propag. Lett., Vol. 8, 2009.

11. Wu, B.-I., W. Wang, J. Pacheco, X. Chen, T. Grzegorczyk, and J. A. Kong, "A study of using metamaterials as antenna substrate to enhance gain," Progress In Electromagnetics Research, Vol. 51, 295-328, 2005.
doi:10.2528/PIER04070701

12. Attia, H., L. Yousefi, and O. M. Ramahi, "Analytical model for calculating the radiation field of microstrip antennas with artificial magnetic superstrates theory and experiment," IEEE Trans. Antennas Propag., Vol. 59, No. 5, May 2011.
doi:10.1109/TAP.2011.2122295

13. Chen, K.-S., K.-H. Lin, and H.-L. Su, "Microstrip antenna gain enhancement by metamaterial radome with more subwavelength holes," Asia Pacific Microwave Conference, 2009, APMC 2009, 2009.

14. Xiao, X. and H. Xu, "Low refractive metamaterials for gain enhancement of horn antenna," Journal of Infrared Milli Terahz Waves, Vol. 30, 225-232, 2009.
doi:10.1007/s10762-008-9449-3

15. Tretyakov, S., I. Nefedov, A. Sihvola, S. Maslovski, and C. Simovski, "Waves and energy in chiral nihility," Journal of Electromagnetic Waves and Applications, Vol. 17, No. 5, 695-706, 2003.
doi:10.1163/156939303322226356

16. Dong, J., "Exotic characteristics of power propagation in the chiral nihility fiber," Progress In Electromagnetics Research, Vol. 99, 163-178, 2009.
doi:10.2528/PIER09102801

17. Dong, J., J. Li, and F.-Q. Yang, "Guided modes in the four-layer slab waveguide containing chiral nihility core," Progress In Electromagnetics Research, Vol. 112, 241-255, 2011.

18. Naqvi, A., A. Hussain, and Q. A. Naqvi, "Waves in fractional dual planar waveguides containing chiral nihility metamaterial," Journal of Electromagnetic Waves and Applications, Vol. 24, No. 11--12, 1575-1586, 2010.
doi:10.1163/156939310792149614

19. Dong, J. F. and C. Xu, "Surface polaritons in planar chiral nihility metamaterial waveguides," Opt. Commun., Vol. 282, 3899-3904, 2009.
doi:10.1016/j.optcom.2009.06.054

20. Tuz, V. R. and C.-W. Qiu, "Semi-infinite chiral nihility photonics: Parametric dependence, wave tunneling and rejection," Progress In Electromagnetics Research, Vol. 103, 139-152, 2010.
doi:10.2528/PIER10030706

21. Naqvi, Q. A., "Fractional dual solutions in grounded chiral nihility slab and their effect on outside field," Journal of Electromagnetic Waves and Applications, Vol. 23, No. 5--6, 773-784, 2009.
doi:10.1163/156939309788019958

22. Qamar, S. R., A. Naqvi, A. A. Syed, and Q. A. Naqvi, "Radiation characteristics of elementary sources located in unbounded chiral nihility metamaterial," Journal of Electromagnetic Waves and Applications, Vol. 25, No. 5--6, 713-722, 2011.
doi:10.1163/156939311794827294

23. Ahmad, S. and Q. A. Naqvi, "Directive EM radiation of a line source in the presence of a coated nihility cylinder," Journal of Electromagnetic Waves and Applications, Vol. 23, No. 5--6, 761-771, 2009.
doi:10.1163/156939309788019886

24. Pendry, J. B., "A chiral route to negative refraction," Science, Vol. 306, 1353-1354, 2004.
doi:10.1126/science.1104467

25. Mackay, T. G., "Plane waves with negative phase velocity in isotropic chiral mediums," Microwave Opt. Tech. Lett., Vol. 45, No. 2, 120-121, 2005.
doi:10.1002/mop.20742

26. Zhao, R., T. Koschny, E. N. Economou, and C. M. Soukoulis, "Comparison of chiral metamaterial designs for repulsive Casimir force," Phys. Rev. B, Vol. 81, 235126, 2010.
doi:10.1103/PhysRevB.81.235126

27. Plum, E., J. Zhou, J. Dong, V. A. Fedotov, T. Koschny, C. M. Soukoulis, and N. I. Zheludev, "Metamaterial with negative index due to chirality," Phys. Rev. B, Vol. 79, 035407, 2009.
doi:10.1103/PhysRevB.79.035407

28. Zhou, J., J. Dong, B. Wang, T. Koschny, M. Kafesaki, and C. M. Soukoulis, "Negative refractive index due to chirality," Phys. Rev. B, Vol. 79, 121104, 2009.
doi:10.1103/PhysRevB.79.121104

29. Li, Z., R. Zhao, T. Koschny, M. Kafesaki, and C. M. Soukoulis, "Chiral metamaterials with negative refractive index based on four ``U'' split ring resonators," Appl. Phys. Lett., Vol. 97, 081901, 2010.
doi:10.1063/1.3457448

30. Wu, Z., B. Q. Zhang, and S. Zhong, "A double-layer chiral metamaterial with negative index," Journal of Electromagnetic Waves and Applications, Vol. 24, No. 7, 983-992, 2010.
doi:10.1163/156939310791285173

31. Zhao, R., L. Zhang, J. Zhou, T. Koschny, and C. M. Soukoulis, "Conjugated gammadion chiral metamaterial with uniaxial optical activity and negative refractive index," Phys. Rev. B, Vol. 83, 035105, 2011.
doi:10.1103/PhysRevB.83.035105

32. Li, Z., K. B. Alici, E. Colak, and E. Ozbay, "Complementary chiral metamaterials with giant optical activity and negative refractive index," Appl. Phys. Lett., Vol. 98, 161907, 2011.
doi:10.1063/1.3574909

33. Li, Z., F.-Q. Yang, and J. Dong, "Design and simulation of L-shaped chiral negative refractive index structure," Progress In Electromagnetics Research, Vol. 116, 395-408, 2011.

34. Ye, Y. and S. He, "90° polarization rotator using a bilayered chiral metamaterial with giant optical activity," Appl. Phys. Lett., Vol. 96, 203501, 2010.
doi:10.1063/1.3429683

35. Ye, Y., X. Li, F. Zhuang, and S.-W. Chang, "Homogeneous circular polarizers using a bilayered chiral metamaterial," Appl. Phys. Lett., Vol. 99, 031111, 2011.
doi:10.1063/1.3615054

36. Illahi, A. and Q. A. Naqvi, "Study of focusing of electromagnetic waves reflected by a PEMC backed chiral nihility reflector using Maslov's method," Journal of Electromagnetic Waves and Applications, Vol. 23, No. 7, 863-873, 2009.
doi:10.1163/156939309788355216

37. Jin, Y. and S. He, "Focusing by a slab of chiral medium," Optics Express, Vol. 13, No. 13, 4974-4979, 2005.
doi:10.1364/OPEX.13.004974

38. Monzon, C. and D. W. Forester, "Negative refraction and focusing of circularly polarized waves in optically active media," Phys. Rev. Lett., Vol. 95, 123904, 2005.
doi:10.1103/PhysRevLett.95.123904

39. Wang, B., T. Koschny, and C. M. Soukoulis, "Wide-angle and polarization-independent chiral metamaterial absorber," Phys. Rev. B, Vol. 80, 033108, 2009.
doi:10.1103/PhysRevB.80.033108

40. Cheng, Q., W. X. Jiang, and T. J. Cui, "Investigations of the electromagnetic properties of three-dimensional arbitrarily-shaped cloaks," Progress In Electromagnetics Research, Vol. 94, 105-117, 2009.
doi:10.2528/PIER09060705

41. Luo, Y., J. Zhang, H. Chen, B.-I. Wu, and L.-X. Ran, "Wave and ray analysis of a type of cloak exhibiting magnified and shifted scattering effect," Progress In Electromagnetics Research, Vol. 95, 167-178, 2009.
doi:10.2528/PIER09070805

42. Lindell, I. V., A. H. Sihvola, S. A. Tretyakov, and A. J. Viitanen, Electromagnetic Waves in Chiral and Bi-isotropic Media, Artech House, 1994.

43. Serdyukov, A., I. Semchenko, S. Tretyakov, and A. Sihvola, Electromagnetics of Bi-anisotropic Materials Theory and Applications, Gordon and Breach Science Publishers, 2001.

44. Zhao, R., T. Koschny, and C. M. Soukoulis, "Chiral metamaterials: Retrieval of the effective parameters with and without substrate," Optics Express, Vol. 18, No. 14, Jul. 2010.

45. Balanis, C. A., Modern Antenna Handbook, John Wiley & Sons, 2008.
doi:10.1002/9780470294154

46. Kraus, J. D. and R. J. Marhefka, Antennas: For All Applications, 3rd Ed., McGraw Hill, 2001.