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We demonstrate the tuning of Fano resonances in a symmetric planar metamaterial both experimentally and theoretically, on the basis of a unit cell consisting of two identical split ring resonators. The electromagnetic responses of the planar metamaterial to incident TE and TM waves are measured. By controlling the excitation of the Fano-type trapped-mode resonance via the angle of incidence, the resonance can be switched on/off and the resonance is red-shifted by up to 21%. Based on the finite element method, the field distributions are presented and a very sharp normal phase dispersion renders the response of the structure a metamaterial analog of classical electromagnetically-induced transparency (EIT). The simulated results are in good agreement with the measured ones. The switching feature of the trapped mode resonance in symmetric metamaterial can provide an easy approach to tuning the performance of metamaterial.
[1] Shelby R A, Smith D R, Schultz S 2001 Science 292 77
[2] Zheludev N I 2011 Opt. & Photonics News 22 30
[3] Yang Y M, Wang J F, Xia S, Bai P, Li Z, Wang J, Xu Z, Qu S B 2011 Chin. Phys. B 20 014101
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[5] Bao S, Luo C R, Zhao X P 2011 Acta Phys. Sin. 60 014101 (in Chinese) [保石, 罗春荣, 赵晓鹏 2011 60 014101]
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[12] Papasimakis N, Zheludev N I 2009 Opt. & Photonics News 20 22
[13] Miroshnichenko A E, Flach S, Kivshar Y S 2010 Rev. Mod. Phys. 82 2257
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[17] Sámson Z L, MacDonald K F, De Angelis F, Gholipour B, Knight K, Huang C C, Di Fabrizio E, Hewak D W, Zheludev N I 2010 Appl. Phys. Lett. 96 143105
[18] Fedotov V A, Mladyonov P L, Prosvirnin S L, Rogacheva A V, Chen Y, Zheludev N I 2006 Phys. Rev. Lett. 97 167401
[19] Plum E, Fedotov V A, Kuo P, Tsai D P, Zheludev N I 2009 Opt. Express 17 8548
[20] Tanaka K, Plum E, Ou J Y, Uchino T, Zheludev N I 2010 Phys. Rev. Lett. 105 227403
[21] Fedotov V A, Tsiatmas A, Shi J H, Buckingham R, de Groot P, Chen Y, Wang S, Zheludev N I 2010 Opt. Express 18 9015
[22] Singh R, Al-Naib I A I, Koch M, Zhang W L 2011 Opt. Expres 19 6312
[23] Xiao X, Wu J, Miyamaru F, Zhang M, Li S, Takeda M W, Wen W, Sheng P 2011 Appl. Phys. Lett. 98 011911
[24] Plum E, Tanaka K, Chen W T, Fedotov V A, Tsai D P, Zheludev N I 2011 J. Opt. 13 055102
[25] Lu Y H, Rhee J Y, Jang W H, Lee Y P 2010 Opt. Express 18 20912
[26] Rockstuhl C, Lederer F, Etrich C, Zentgraf T, Kuhl J, and Giessen H 2006 Opt. Express 14 8827
[27] Yang R, Xie Y J, Li X F, Jiang J, Wang Y Y, Wang R 2009 Acta Phys. Sin. 58 901 (in Chinese) [杨锐, 谢拥军, 李晓峰, 蒋俊, 王元源, 王瑞 2009 58 901]
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[1] Shelby R A, Smith D R, Schultz S 2001 Science 292 77
[2] Zheludev N I 2011 Opt. & Photonics News 22 30
[3] Yang Y M, Wang J F, Xia S, Bai P, Li Z, Wang J, Xu Z, Qu S B 2011 Chin. Phys. B 20 014101
[4] Luk'yanchuk B, Zheludev N I, Maier S A, Halas N J, Nordlander P, Giessen H, Chong C 2010 Nat. Mater. 9 707
[5] Bao S, Luo C R, Zhao X P 2011 Acta Phys. Sin. 60 014101 (in Chinese) [保石, 罗春荣, 赵晓鹏 2011 60 014101]
[6] Fano U 1961 Phys. Rev. 124 1866
[7] Papasimakis N, Fedotov V A, Zheludev N I, Prosvirnin S L 2008 Phys. Rev. Lett. 101 253903
[8] Zhang S, Genov D A, Wang Y, Liu M, Zhang X 2008 Phys. Rev. Lett. 101 047401
[9] Tassin P, Zhang L, Koschny T, Economou E N, Soukoulis C M 2009 Phys. Rev. Lett. 102 053901
[10] Chiam S Y, Singh R, Rockstuhl C, Lederer F, Zhang W L, Bettiol A A 2009 Phys. Rev. B 80 153103
[11] Liu N, Langguth L, Weiss T, Kästel J, Fleischhauer M, Pfau T, Giessen H 2009 Nat. Mater. 8 758
[12] Papasimakis N, Zheludev N I 2009 Opt. & Photonics News 20 22
[13] Miroshnichenko A E, Flach S, Kivshar Y S 2010 Rev. Mod. Phys. 82 2257
[14] Liu N, Weiss T, Mesch M, Langguth L, Eigenthaler U, Hirscher M, Sönnichsen C, Giessen H 2010 Nano Lett. 10 1103
[15] Lahiri B, Khokhar A Z, De La Rue R M, McMeekin S G, Johnson N P 2009 Opt. Express 17 1107
[16] Nikolaenko A E, De Angelis F, Boden S A, Papasimakis N, Ashburn P, Di Fabrizio E, Zheludev N I 2010 Phys. Rev. Lett. 104 153902
[17] Sámson Z L, MacDonald K F, De Angelis F, Gholipour B, Knight K, Huang C C, Di Fabrizio E, Hewak D W, Zheludev N I 2010 Appl. Phys. Lett. 96 143105
[18] Fedotov V A, Mladyonov P L, Prosvirnin S L, Rogacheva A V, Chen Y, Zheludev N I 2006 Phys. Rev. Lett. 97 167401
[19] Plum E, Fedotov V A, Kuo P, Tsai D P, Zheludev N I 2009 Opt. Express 17 8548
[20] Tanaka K, Plum E, Ou J Y, Uchino T, Zheludev N I 2010 Phys. Rev. Lett. 105 227403
[21] Fedotov V A, Tsiatmas A, Shi J H, Buckingham R, de Groot P, Chen Y, Wang S, Zheludev N I 2010 Opt. Express 18 9015
[22] Singh R, Al-Naib I A I, Koch M, Zhang W L 2011 Opt. Expres 19 6312
[23] Xiao X, Wu J, Miyamaru F, Zhang M, Li S, Takeda M W, Wen W, Sheng P 2011 Appl. Phys. Lett. 98 011911
[24] Plum E, Tanaka K, Chen W T, Fedotov V A, Tsai D P, Zheludev N I 2011 J. Opt. 13 055102
[25] Lu Y H, Rhee J Y, Jang W H, Lee Y P 2010 Opt. Express 18 20912
[26] Rockstuhl C, Lederer F, Etrich C, Zentgraf T, Kuhl J, and Giessen H 2006 Opt. Express 14 8827
[27] Yang R, Xie Y J, Li X F, Jiang J, Wang Y Y, Wang R 2009 Acta Phys. Sin. 58 901 (in Chinese) [杨锐, 谢拥军, 李晓峰, 蒋俊, 王元源, 王瑞 2009 58 901]
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