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A metal-insulator-metal waveguide with an arc-shaped resonator is designed, and the transmission properties are numerically investigated by the finite-difference time-domain method. The results show that the transmission peaks in the transmission spectra result from the resonance of the surface plasmon polaritons in the arc-shaped resonator. The effects of the structural parameters of the arc-shape resonator on the transmission properties are also studied. In addition, this structure can also act as a splitter and achieve a dual function of filter and splitter for subwavelength waveguide.
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Keywords:
- surface plasmon polariton /
- subwavelength waveguide /
- filter /
- finite-difference time-domain method
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[19] Wang T B, Wen X W, Yin C P, Wang H Z 2009 Opt. Express 17 24096
[20] Guo Y H, Yan L S, Pan W, Luo B, Wen K H, Guo Z, Li H Y, Luo X G 2011 Opt. Express 19 13831
[21] Kekatpure R D, Hryciw A C, Barnard E S, Brongersma M L 2009 Opt. Express 17 24112
[22] Liu J L, Fang G Y, Zhao H F, Zhang Y, Liu S T 2010 J. Phys. D: Appl. Phys. 43 055103
[23] Gai H, Wang J, Tian Q 2007 Appl. Opt. 46 2229
[24] Kekatpure R D, Hryciw A C, Barnard E S, Brongersma M L 2009 Opt. Express 17 24112
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[1] Falk A L, Koppens F H L, Yu C L, Kang K, Snapp N D, Akimov A V, Jo M H, Lukin M D, Park H 2009 Nat. Phys. 5 475
[2] Barnes W L, Dereux A, Ebbesen T W 2003 Nature 424 824
[3] Bozhevolnyi S I, Volkov V S, Devaux E, Laluet J Y, Ebbesen T W 2006 Nature 440 508
[4] Chen J J, Li Z, Zhang J S, Gong Q H 2008 Acta Phys. Sin. 57 5893 (in Chinese) [陈建军, 李智, 张家森, 龚旗煌 2008 57 5893]
[5] Wang L, Cai W, Tan X H, Xiang Y X, Zhang X Z, Xu J J 2011 Acta Phys. Sin. 60 067305 (in Chinese) [王垒, 蔡卫, 谭信辉, 向吟啸, 张心正, 许京军 2011 60 067305]
[6] Berini P 2009 Adv. Opt. Photon. 1 484
[7] Kim J T, Ju J J, Park S, Kim M S, Park S K, Lee M H 2008 Opt. Express 16 13133
[8] Yun B, Hu G, Cui Y 2009 Opt. Express 17 3610
[9] Wang G X, Lu H, Liu X M, Mao D, Duan L N 2011 Opt. Express 19 3513
[10] Tao J, Huang X G, Lin X S, Zhang Q, Jin X P 2009 Opt. Express 17 13989
[11] Veronis G, Fan S 2005 Appl. Phys. Lett. 87 131102
[12] Lee T W, Gray S K 2005 Opt. Express 13 9652
[13] Han Z, Liu L, Forsberg E 2006 Opt. Commun. 259 690
[14] Gao H, Shi H, Wang C, Du C, Luo X, Deng Q, Lü Y, Lin X, Yao H 2005 Opt. Express 13 10795
[15] Hosseini A, Massoud Y 2007 Appl. Phys. Lett. 90 181102
[16] Tao J, Huang X G, Lin X S, Chen J H, Zhang Q, Jin X P 2010 J. Opt. Soc. Am. B 27 323
[17] Zhang Z Y, Wang J D, Zhao Y N, Lu D, Xiong Z H 2011 Plasmonics 6 773
[18] Yun B F, Hu G H, Cui Y P 2010 J. Phys. D: Appl. Phys. 43 35102
[19] Wang T B, Wen X W, Yin C P, Wang H Z 2009 Opt. Express 17 24096
[20] Guo Y H, Yan L S, Pan W, Luo B, Wen K H, Guo Z, Li H Y, Luo X G 2011 Opt. Express 19 13831
[21] Kekatpure R D, Hryciw A C, Barnard E S, Brongersma M L 2009 Opt. Express 17 24112
[22] Liu J L, Fang G Y, Zhao H F, Zhang Y, Liu S T 2010 J. Phys. D: Appl. Phys. 43 055103
[23] Gai H, Wang J, Tian Q 2007 Appl. Opt. 46 2229
[24] Kekatpure R D, Hryciw A C, Barnard E S, Brongersma M L 2009 Opt. Express 17 24112
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