logo

SCIENCE CHINA Information Sciences, Volume 61, Issue 6: 069401(2018) https://doi.org/10.1007/s11432-017-9111-5

A kind of compact ultra-broad bandpass planar terahertz filter

More info
  • ReceivedApr 21, 2017
  • AcceptedMay 4, 2017
  • PublishedSep 18, 2017

Abstract

There is no abstract available for this article.


Acknowledgment

This work was supported by National Basic Research Program of China (973) (Grant No. 2014CB339801) and National Natural Science Foundation of China (Grant Nos. 61231005, 11305030).


Supplement

Figures S1–S3.


References

[1] Maier S A, Andrews S R, Martín-Moreno L. Terahertz Surface Plasmon-Polariton Propagation and Focusing on Periodically Corrugated Metal Wires. Phys Rev Lett, 2006, 97: 176805 CrossRef PubMed ADS Google Scholar

[2] Hibbins A P. Experimental Verification of Designer Surface Plasmons. Science, 2005, 308: 670-672 CrossRef PubMed ADS Google Scholar

[3] Chan H B, Marcet Z, Woo K. Optical transmission through double-layer metallic subwavelength slit arrays. Opt Lett, 2006, 31: 516-518 CrossRef ADS Google Scholar

[4] Zhang J, Zhang L, Xu W. Surface plasmon polaritons: physics and applications. J Phys D-Appl Phys, 2012, 45: 113001 CrossRef ADS Google Scholar

[5] Barnes W L, Dereux A, Ebbesen T W. Surface plasmon subwavelength optics. Nature, 2003, 424: 824-830 CrossRef PubMed ADS Google Scholar

[6] Gao X, Zhou L, Liao Z, et al. An ultra-wideband surface plasmonic filter in microwave frequency. Appl Phys Lett, 2014, 104: 175--179. Google Scholar

[7] Shuppert B. Microstrip/slotline transitions - Modeling and experimental investigation. IEEE Trans Microwave Theor Techn, 1988, 36: 1272-1282 CrossRef ADS Google Scholar

[8] Hooper I R, Tremain B, Dockrey J A, et al. Massively sub-wavelength guiding of electromagnetic waves. Sci Rep, 2014, 4: 7495. Google Scholar

  • Figure 1

    (Color online) (a) Structure of the ultra-band filter with transition section, the structure portrayed with dotted line are the input and output metal strip on the lower metal film; (b) detailed structure for the energy couple; (c) detailed structure for transition section; (d) the unit of transmission part; (e) E-field distribution along the transmission direction at 0.4 THz; (f) current distribution on the filter; (g) the simulated S parameters of the annual structure filter.

Copyright 2019 Science China Press Co., Ltd. 《中国科学》杂志社有限责任公司 版权所有

京ICP备18024590号-1