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Plasmonics

, Volume 14, Issue 2, pp 441–445 | Cite as

Negative Refraction Based On Supermode Theory in Metal Waveguide Arrays

  • Wu YangEmail author
  • Xiaoyan Shi
  • Huaizhong Xing
  • Xiaoshuang Chen
Article
  • 55 Downloads

Abstract

We investigate the phenomenon of negative refraction (NR) in metallic waveguide arrays (MWGAs) by illuminating partial waveguides. Some waveguides in MWGAs are sheltered and the other waveguides are opened; only these opened waveguides can be illuminated by the incident wave. These illuminated waveguides will be independently excited surface plasmon polariton (SPP) supermodes at the entrances, which will propagate along the waveguides of MWGAs. The total field is the superposition of the excited SPP supermodes, which is varied with transmission distance. At certain places in MWGAs, the total field is enhanced and the NR phenomenon is formed. We find that NR phenomenon not only was under the control of incidence angle, but also was governed by the number of illuminating waveguides, which become more prominent when the number of illuminating waveguide increases. The SPP supermode theory is applied to explain this NR phenomenon. The result by the supermode theory is validated by the numerical simulations of the finite-difference time-domain method.

Keywords

Metal waveguide arrays Supermode Negative refraction Surface plasmon polaritons 

Notes

Funding information

This work is supported by multiple grants from Doctoral Foundation of Henan University of Technology (2016BS010), the project supported by Science Foundation of Henan University of Technology (2016QNJH13), The Henan Province Education Department Natural Science Research Programs (17A140006), and The Natural Science Foundation of Henan Province(182300410195).

References

  1. 1.
    Fan XB, Wang GP, Lee JCW, Chan CT (2006) All-angle broadband negative refraction of metal waveguide arrays in the visible range: theoretical analysis and numerical demonstration. Phys Rev Lett 97:073901CrossRefGoogle Scholar
  2. 2.
    Verhagen E, Waele R, Kuipers L, Polman A (2010) Three-dimensional negative index of refraction at optical frequencies by coupling plasmonic waveguides. Phys Rev Lett 105:223901CrossRefGoogle Scholar
  3. 3.
    Landy NI, Sajuyigbe S, Mock JJ, Smith DR, Padilla WJ (2008) Perfect metamaterial absorber. Phys. Rev. Lett 100(20):207402CrossRefGoogle Scholar
  4. 4.
    Watts CM, Liu X, Padilla WJ (2012) Metamaterial electromagnetic wave absorbers. Adv Mater 24(23):OP98–OP120Google Scholar
  5. 5.
    El-Aasser MA (2014) Design optimization of nanostrip metamaterial perfect absorbers. J Nanophoton 8(1):083085CrossRefGoogle Scholar
  6. 6.
    Fan XB, Wang GP (2006) Nanoscale metal waveguide arrays as Plasmon lenses. Opt Lett 31:1322–1324CrossRefGoogle Scholar
  7. 7.
    Bartal G, Lerosey G, Zhang X (2009) Subwavelength dynamic focusing in plasmonic nanostructures using time reversal. Phys. Rev. B 79(R):201103CrossRefGoogle Scholar
  8. 8.
    Conforti M, Guasoni M, De Angelis C (2008) Subwavelength diffraction management. Opt Lett 33:2662–2664CrossRefGoogle Scholar
  9. 9.
    Xu MY-C, Aitchison JS (2009) Surface plasmon polariton discrete diffraction compensation. Opt Lett 34:350–352CrossRefGoogle Scholar
  10. 10.
    Valle GD, Longhi S (2010) Subwavelength diffraction control and self-imaging in curved plasmonic waveguide arrays. Opt Lett 35:673–675CrossRefGoogle Scholar
  11. 11.
    Wang Y, Zhou K, Zhang X, Yang K, Wang Y, Song Y, Liu S (2010) Discrete plasmonic Talbot effect in subwavelength metal waveguide arrays. Opt Lett 35:685–687CrossRefGoogle Scholar
  12. 12.
    Fan Y, Wang B, Wang K, Long H, Lu PX (2014) Talbot effect in weakly coupled monolayer graphene sheet arrays. Opt Lett 39:3371–3373CrossRefGoogle Scholar
  13. 13.
    X. Y. Shi, W. Yang, H. Z. Xing, and X. S. Chen, Discrete plasmonic Talbot effect in finite metal waveguide arrays, Opt. Lett, 40, 1635 (2015)Google Scholar
  14. 14.
    A Taflove and S Hagness, (2000) Computational electrodynamics: the finite-difference time-domain method Artech HouseGoogle Scholar
  15. 15.
    ED Palik,(1985) Handbook of optical constants of solids (Academic)Google Scholar
  16. 16.
    AYariv and P Yeh,(2007) Photonics: optical electronics in modern communications (Oxford University)Google Scholar

Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.College of ScienceHenan University of TechnologyZhengzhouChina
  2. 2.Department of Applied PhysicsDonghua UniversityShanghaiChina
  3. 3.National Laboratory for Infrared Physics Shanghai Institute of Technical PhysicsChinese Academy of SciencesShanghaiChina

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