volume | PIER Journals

Abstract

We present the design, fabrication and measurment of a dual-resonant broadband terahertz (THz) matamterial based on a modified split-ring resonator (MSRR) structure. The proposed MSRR is constructed by connecting the inner split ring with the outer split ring of adjacent cell. Transmission and reflection characteristics of the proposed structure are simulated using Ansoft HFSS, and the permittivities show negative values in 0.492-0.693 THz and 0.727-0.811 THz bands. The designed sample is fabricated on a gallium arsenide layer, and experiments are performed in Terahertz Time-Domain Spectroscopy. Measured transmission characteristics agree well with the simulations.

1. Veselago, V. G., "The electrodynamics of substances with simultaneously negative values of ε and μ," Sov. Phys. Usp., Vol. 10, No. 4, 509-514, 1968.
doi:10.1070/PU1968v010n04ABEH003699 Google Scholar

2. Chen, H.-T., W. J. Padilla, M. J. Cich, A. K. Azad, R. D. Averitt, and A. J. Taylor, "A metamaterial solid-state terahertz phase modulator," Nature Photonics, Vol. 3, 148-151, 2009.
doi:10.1038/nphoton.2009.3 Google Scholar

3. Han, J., A. Lakhtakia, and C.-W. Qiu, "Terahertz metamaterial with semiconductor split-ring resonators for magnetostatic tenability," Opt. Express, Vol. 16, No. 19, 14390-14396, 2008.
doi:10.1364/OE.16.014390 Google Scholar

4. Yen, T. J., W. J. Padilla, N. Fang, D. C. Vier, D. R. Smith, J. B. Pendry, D. N. Basov, and X. Zhang, "Terahertz magnetic response from artificial materials," Science, Vol. 303, No. 5663, 1494-1496, 2004.
doi:10.1126/science.1094025 Google Scholar

5. Chen, H.-T., W. J. Padilla, J. M. O. Zide, A. C. Gossard, A. J. Taylor, and R. D. Averitt, "Active terahertz metamaterial devices," Nature, Vol. 444, No. 7119, 597-600, Nov. 2006.
doi:10.1038/nature05343 Google Scholar

6. Christian, D. and H. B. Peter, "Frequecncy selective surfaces for high sensitivity terahertz sensing," App. Phys. Lett., Vol. 91, No. 18, 184102(1)-184102(3), Aug. 2007. Google Scholar

7. Tao, H., N. I. Landy, C. M. Bingham, X. Zhang, R. D. Averitt, and W. J. Padilla, "A metamaterial absorber for the terahertz regime: Design, fabrication and characterization," Opt. Express, Vol. 16, No. 10, 7181-7188, 2008.
doi:10.1364/OE.16.007181 Google Scholar

8. Wen, Q.-Y., H.-W. Zhang, Y.-S. Xie, Q.-H. Yang, and Y.-L. Liu, "Dual band terahertz metamaterial absorber: Design, fabrication, and characterization," App. Phys. Lett., Vol. 95, No. 24, 16527-16534, 2009.
doi:10.1063/1.3276072 Google Scholar

9. Lim, C. S., M. H. Hong, Z. C. Chen, N. R. Han, B. Luk'yanchuk, and T. C. Chong, "Hybrid metamaterial design and fabrication for terahertz resonance response enhancement," Opt. Express, Vol. 18, No. 12, 12421-12429, 2010.
doi:10.1364/OE.18.012421 Google Scholar

10. Han, N. R., Z. C. Chen, C. S. Lim, B. Ng, and M. H. Hong, "Broadband multi-layer terahertz metamaterials fabrication and characterization on flexible substrates," Opt. Express, Vol. 19, No. 8, 6991-6998, 2011.
doi:10.1364/OE.19.006990 Google Scholar

11. Yuan, Y., C. Bingham, T. Tyler, S. Palit, T. H. Hand, W. J. Padilla, D. R. Smith, N. M. Jokerst, and S. A. Cummer, "Dual-band planar electric metamaterial in the terahertz regime," Opt. Express, Vol. 16, No. 13, 9746-9752, 2008.
doi:10.1364/OE.16.009746 Google Scholar

12. Yuan, Y., C. Bingham, T. Talmage, S. Palit, T. H. Hand, W. J. Padila, N. M. Jokerst, and S. A. Cummer, "A dual-resonant terahertz metamaterial based on single-particle electric-field-coupled resonators," App. Phys. Lett., Vol. 93, No. 19, 19110(1)-19110(3), 2008. Google Scholar

13. Ekmekci, E., K. Topalli, T. Akin, and G. Turhan-Sayan, "A tunable mult-band metamaterial design using micro-split SRR structures," Opt. Express, Vol. 17, No. 18, 16406-16058, 2009.
doi:10.1364/OE.17.016046 Google Scholar

14. Han, J. G., J. Q. Gu, X. C. Lu, M. X. He, Q. R. Xing, and W. L. Zhang, "Broadband resonant terahertz transmission in a composite metal-dielectric structure," Opt. Express, Vol. 17, No. 19, 036617(1)-(11), 2005. Google Scholar

15. Smith, D. R., D. C. Vier, T. Koschny, and C. M. Soukoulis, "Electromagnetic parameter retrieval from inhomogeneous metamaterials," Phys. Rev. E, Vol. 71, 036617(1)-(11), 2005. Google Scholar

16. Chen, Z. C., N. R. Han, Z. Y. Pan, Y. D. Gong, T. C. Chong, and M. H. Hong, "Tunable resonance enhancement of multi-layer terahertz metamaterials fabricated by parallel laser micro-lens array lithography on flexible substrates," Opt. Materials Express, Vol. 1, No. 2, 151-157, 2011.
doi:10.1364/OME.1.000151 Google Scholar

17. Ng, B., S. M. Hanham, V. Giannini, Z. C. Chen, M. Tang, Y. E. Liew, N. Klein, M. H. Hong, and S. A. Maier, "Lattice resonances in antenna arrays for liquid sensing in the terahertz regime," Opt. Express, Vol. 19, No. 15, 14653-14661, 2011.
doi:10.1364/OE.19.014653 Google Scholar

18. Liu, X.-X., D. A. Powell, and A. Alu, "Correcting the Fabry-Perot artifacts in metamaterial retrieval procedures," Phys. Rev. B, Vol. 84, No. 23, 235106(1)-(7), 2011. Google Scholar

Dr. Wanyi Guo

Dr. Lianxing He

Dr. Biao Li

Dr. Teng Teng

Dr. Xiao-Wei Sun