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The electromagnetic tunneling properties of the sandwich structure with single negative material/positive index material (single negative material)/ single negative material are experimentally investigated based on the theoretical analysis. The tunneling properties come from the resonance coupling between the incident plane wave and the surface and bulk polaritons. First, the surface or bulk polariton dispersion relations under zero incident condition are discussed and calculated. It is found that the positive index material sandwiched by single negative material possesses bulk polaritons, the resonance frequency of polariton decreases with the thickness of the central layer increasing. The sandwhic structures composed of different single negative materials possess double surface polaritons, and the two surface polaritons degenerate with the thickness of the central single negative material layer. Subsequently, the tunneling properties of the sandwich structures are measured, which are consistent well with the simulation and theoretical analyses. The two structures both possess tunable tunneling modes, their properties have potential applications in designing tunable single or multiple-channeled filters.
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Keywords:
- single negative materials /
- polaritons /
- tunneling /
- L-C transmission lines
[1] Veselago V G 1968 Soviet Physics Usp 10 509
[2] Alù A, Engheta N 2003 IEEE Trans. Antennas Propagat. 51 2558
[3] Liu R, Zhao B, Lin X Q, Cheng Q,Cui T J 2007 Phys. Rev. B 75 125118
[4] Jiang H T, Chen H, Zhu S Y 2006 Phys. Rev. E 73 046601
[5] Zhang L W, Zhang Y W, He L, Li H Q, Chen H 2006Phys. Rev. E 74 056615
[6] Ruppin R 2001 J. Phys.: Condens. Matter 13 1811
[7] Keunhan Park, Bong Jae Lee, Ceji Fu, Zhuomin M. Zhang, 2005 J. Opt. Soc. Am. B 22 1016
[8] Janunts N A, Nerkarayan Kh V 2001 Appl. Phys. Lett. 79 299 Dong J W, Wu K S, Mu C Wang H Z 2008 Phys. Lett. A 372 4532
[9] Wu D M, Fang N, Sun C, Zhang X, padilla W J, Basov D N, Smith D R, Schultz S 2003 Appl. Phys. Lett. 83 201
[10] Hu C G, Liu L Y, Chen X N, Luo X G 2008 Optics Express 16 21544
[11] Caloz C and Ioh T 2005 Electromagnetic Metamaterials, Transmission Line Theory and Microwave Applications (Wiley and IEEE Press) 59—130
[12] Wang S L, Zhang Y W, He l, Li H Q, Chen H 2006 Acta Phys. Sin. 55 226 (in Chinese)[王素玲、张冶文、 赫丽、李宏强、陈 鸿 2006 55 226]
[13] Li H Y, Zhang Y W, Wang P C, Li G Q 2007 Acta Phys. Sin. 56 6480 (in Chinese)[李海洋、张冶文、王蓬春、李贵泉 2007 56 6480]
[14] Zhang L W, Zhang Y W, Yang Y P, Li H Q, Chen H, Zhu S Y 2008 Phys. Rev. E 78 R035601
[15] Zhang H Y, Zhang Y P, Wang P, Yao J Q 2007 J. Appl. Phys. 101 013111
[16] Deng X H, Liu N H, Liu G Q 2007 Acta Phys. Sin. 56 7280 (in Chinese)[邓新华、刘念华、刘根泉 2007 56 7280]
[17] Zhou L, Wen W J, Chan C T, Sheng P 2005 Phys. Rev. Lett. 94 243905
[18] Fujishige T, Caloz C, Itoh T 2005 Microwave Opt. Technol. Lett. 46 476
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[1] Veselago V G 1968 Soviet Physics Usp 10 509
[2] Alù A, Engheta N 2003 IEEE Trans. Antennas Propagat. 51 2558
[3] Liu R, Zhao B, Lin X Q, Cheng Q,Cui T J 2007 Phys. Rev. B 75 125118
[4] Jiang H T, Chen H, Zhu S Y 2006 Phys. Rev. E 73 046601
[5] Zhang L W, Zhang Y W, He L, Li H Q, Chen H 2006Phys. Rev. E 74 056615
[6] Ruppin R 2001 J. Phys.: Condens. Matter 13 1811
[7] Keunhan Park, Bong Jae Lee, Ceji Fu, Zhuomin M. Zhang, 2005 J. Opt. Soc. Am. B 22 1016
[8] Janunts N A, Nerkarayan Kh V 2001 Appl. Phys. Lett. 79 299 Dong J W, Wu K S, Mu C Wang H Z 2008 Phys. Lett. A 372 4532
[9] Wu D M, Fang N, Sun C, Zhang X, padilla W J, Basov D N, Smith D R, Schultz S 2003 Appl. Phys. Lett. 83 201
[10] Hu C G, Liu L Y, Chen X N, Luo X G 2008 Optics Express 16 21544
[11] Caloz C and Ioh T 2005 Electromagnetic Metamaterials, Transmission Line Theory and Microwave Applications (Wiley and IEEE Press) 59—130
[12] Wang S L, Zhang Y W, He l, Li H Q, Chen H 2006 Acta Phys. Sin. 55 226 (in Chinese)[王素玲、张冶文、 赫丽、李宏强、陈 鸿 2006 55 226]
[13] Li H Y, Zhang Y W, Wang P C, Li G Q 2007 Acta Phys. Sin. 56 6480 (in Chinese)[李海洋、张冶文、王蓬春、李贵泉 2007 56 6480]
[14] Zhang L W, Zhang Y W, Yang Y P, Li H Q, Chen H, Zhu S Y 2008 Phys. Rev. E 78 R035601
[15] Zhang H Y, Zhang Y P, Wang P, Yao J Q 2007 J. Appl. Phys. 101 013111
[16] Deng X H, Liu N H, Liu G Q 2007 Acta Phys. Sin. 56 7280 (in Chinese)[邓新华、刘念华、刘根泉 2007 56 7280]
[17] Zhou L, Wen W J, Chan C T, Sheng P 2005 Phys. Rev. Lett. 94 243905
[18] Fujishige T, Caloz C, Itoh T 2005 Microwave Opt. Technol. Lett. 46 476
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