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Based on theoretical analysis, in this paper studied are the low pass and band stop filter effects of the μ-negative materials/double positive materials/μ-negative materials (MNG-DPS-MNG) surface plasmon polaritons waveguide with branch defect. The research results show that the defect is equivalent to a sub wavelength resonator. The central frequency of the band stop filter is determined by the resonator length and it is independent of the position where the resonator is located in the MNG region. The transmission dips of the waveguide are closely related to the coupling distance. So the filter characteristics of the surface plasmon polariton waveguide can be adjusted by changing the resonator length and number and the coupling distance. The experimental results are in good agreement with simulation results. These properties will have potential application value in the tunable single channel or multi-channel band stop filters.
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Keywords:
- surface plasmon polaritons /
- metamaterials waveguide /
- resonator /
- filter
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[17] Zhang H F, Cao D, Tao F, Yang X H, Wang Y, Yan X N, Bai L H 2010 Chin. Phys. B 19 027301
[18] Ruppin R 2001 J. Phys.: Condens. Matter 13 1811
[19] Wang W S, Zhang L W, Zhang Y W, Fang K 2013 Acta Phys. Sin. 62 024203 (in Chinese) [王五松, 张利伟, 张冶文, 方恺 2013 62 024203]
[20] Lee P H, Lan Y C 2010 Plasmonics 5 417
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[1] Barnes W L, Dereux A, Ebbesen T W 2003 Nature 424 824
[2] Bozhevolnyi S I, Volkov V S, Devaux E, Laluet J Y, Ebbesen T W 2006 Nature 440 508
[3] Wang Y, Wang X, He X J, Mei J S, Chen M H, Yin J H, Lei Q Q 2012 Acta Phys. Sin. 61 137301 (in Chinese) [王玥, 王暄, 贺训军, 梅金硕, 陈明华, 殷景华, 雷清泉 2012 61 137301]
[4] Stegeman G I, Wallis R F, Maradudin A A 1983 Opt. Lett. 8 386
[5] Veronis G, Fan S H 2005 Appl. Phys. Lett. 87 131102
[6] Han Z, Liu L, Erik F 2006 Opt. Commun. 259 690
[7] Gao H, Shi H, Wang C, Du C, Luo X, Deng Q, L Y, Lin X, Yao H 2005 Opt. Express 13 10795
[8] Zhai G H, Hong W, Wu K, Wei J 2010 Acta Electron. Sin. 38 825 (in Chinese) [翟国华, 洪伟, 吴柯, 韦婧 2010 电子学报 38 825]
[9] Gong Y K, Wang L R, Hu X H, Li X H, Liu X M 2009 Opt. Express 17 13727
[10] Wang T B, Wen X W, Yin C P, Wang H Z 2009 Opt. Express 17 24096
[11] Lin X S, Huang X G 2008 Opt. Lett. 33 2874
[12] Liu L, Hao X, Ye Y T, Liu J X, Chen Z L, Song Y C, Luo Y, Zhang J, Tan L 2012 Opt. Commun. 285 2558
[13] Gan Q, Fu Z, Ding Y J, Bartoli F J 2008 Phys. Rev. Lett. 100 256803
[14] Lu W T, Savo S, Casse B D F, Sridhar S 2009 Microw. Opt. Techn. Lett. 51 2705
[15] Zhang L W, Xu J P, He L, Qiao W T 2010 Acta Phys. Sin. 59 7863 (in Chinese) [张利伟, 许静平, 赫丽, 乔文涛 2010 59 7863]
[16] Iyer A K, Kremer P C, Eleftheriade G V 2003 Opt. Express 11 696
[17] Zhang H F, Cao D, Tao F, Yang X H, Wang Y, Yan X N, Bai L H 2010 Chin. Phys. B 19 027301
[18] Ruppin R 2001 J. Phys.: Condens. Matter 13 1811
[19] Wang W S, Zhang L W, Zhang Y W, Fang K 2013 Acta Phys. Sin. 62 024203 (in Chinese) [王五松, 张利伟, 张冶文, 方恺 2013 62 024203]
[20] Lee P H, Lan Y C 2010 Plasmonics 5 417
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