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A kind of surface plasmonic waveguide with a bowtie shaped air core was designed. The dependence of distribution of longitudinal energy flux density, effective index and propagation length of the fundamental mode supported by this waveguide on geometrical parameters and working wavelength were analyzed using the finite-difference frequency-domain (FDFD) method. Results show that the longitudinal energy flux density distributes mainly in the center region which is formed by the top and the bottom ridge. The effective index and propagation length of the fundamental mode can be adjusted by the geometric parameters as well as the working wavelength. At a given working wavelength, the effective index decreases as the radius of ridge increases, meanwhile propagation length and mode area of the fundamental mode increase as radius of ridge increases. The geometric parameter of radius of circles at four corner can affect the propagation properties slightly. The radius of sectors on both sides can effect propagation properties obviously. With given geometric parameters, relative to the case of λ=705.0 nm, in the case of larger λ, the area of field distribution is larger, and the size of the contact area of field and metallic surface is also larger, then the interaction of field and silver is weaker, and the effective index becomes smaller, so the propagation length becomes larger. The possibility of applying this kind of surface plasmonic waveguide to the field of sensors was discussed.
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Keywords:
- integrated optics /
- optical waveguides /
- surface plasmonic waveguides
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[2] Ozbay E 2006 Science 311 189
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[10] Kusunoki F, Yotsuya T, Takahara J, Kobayashi T 2005 Appl. Phys. Lett. 86 211101
[11] Gordon R, Brolo A G 2005 Opt. Express 13 1933
[12] Zhang H X,Gu Y,Gong Q H 2008 Chin. Phys. B 17 2567
[13] Pile D F P, Ogawa T, Gramotnev D K, Matsuzaki Y, Vernon K C, Yamaguchi K, Okamoto T, Haraguchi M, Fukui M 2005 Appl. Phys. Lett. 87 261114
[14] Liu L, Han Z, He S, 2005 Opt. Express 13 6645
[15] Xue W R, Guo Y N, Zhang W M 2009 Chin. Phys. B 18 2529
[16] Pile D F P, Ogawa T, Gramotnev D K, Okamoto T, Haraguchi M, Fukui M, Matsuo S 2005 Appl. Phys. Lett. 87 061106
[17] Boltasseva A, Volkov V S, Nielsen R B, Moreno E, Rodrigo S G, Bozhevolnyi S I 2008 Opt. Express 16 5252
[18] Ogawa T, Pile D F P, Okamoto T, Haraguchi M, Fukui M, Gramotnev D K 2008 J. Appl. Phys. 104 033102
[19] Lu J Q, Maradudin A A 1990 Phys. Rev. B 42 17 11159
[20] Chen S L, Shakya J, Lipson M 2006,Opt. Lett. 31 14 2133
[21] Pile D F P, Gramotnev D K 2004 Opt. Lett. 29 1069
[22] Lee I, Jung J, Park J, Kim H, Lee B 2007 Opt. Express 15 16596
[23] Xue W R, Guo Y N, Zhang J, Zhang W M 2009 J. Lightwave Technol 27 2634
[24] Arbel D, Orenstein M 2008 Opt. Express 16 3114
[25] Xue W R, Guo Y N, Li P, and Zhang W M 2008 Opt. Express 16 10710
[26] Guo Y N, Xue W R, Yang R C, Zhang W M 2009 Opt. Express 17 11822
[27] Guo Y N, Xue W R, Zhang W M 2009 Acta Phys. Sin. 58 4168 (in Chinese)[郭亚楠、薛文瑞、张文梅 2009 58 4168]
[28] Xue W R, Guo Y N, Zhang W M 2010 Chin. Phys. B 19 017302
[29] Holmgaard T, Bozhevolnyi S I 2007 Phys. Rev. B 75 245405
[30] Krasavin A V, Zayats A V 2007 Appl. Phys. Lett. 90 211101
[31] Steinberger B, Hohenau A, Ditlbacher H, Stepanov A L, Drezet A, Aussenegg F R, Leitner A, Krenn J R 2006 Appl. Phys. Lett. 88 094104
[32] Quinten M, Leitner A, Krenn J R, Aussenegg F R 1998 Opt. Lett. 23 1331
[33] Zhang H X, Gu Y, Gong Q H 2008 Chin. Phys. B 17 2567
[34] Hao P, Wu Y H, Zhang P 2010 Acta Phys. Sin. 59 6532 (in Chinese) [郝 鹏、吴一辉、张 平 2010 59 6532]
[35] Wu Y C, Gu Z 2008 Acta Phys. Sin. 57 2295 (in Chinese) [吴英才、顾 铮 2008 理学报 57 2295]
[36] Zhu Z M, Brown T G 2002 Opt. Express 10 853
[37] Guo S P, Wu F, Albin S, Tai H, Rogowski R S 2004 Opt. Express 12 3341
[38] Yu C P, Chang H C 2004 Opt. Express 12 6165
[39] Johnson P B, Christy R W 1972 Phys. Rev. B 6 4370
[40] Weber M J 2002 Handbook of optical materials(New York:CRC Press)p389
[41] Homola J, Piliarik M 2006 Springer series on chemical sensors and biosensors (Berlin:Springer) 4 p45
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[1] Barnes W L , Dereux A, Ebbesen T W 2003 Nature 424 824
[2] Ozbay E 2006 Science 311 189
[3] Bozhevolnyi S I, Volkov V S, Devaux E, Laluet J Y, Ebbesen T W 2006 Nature 440 508
[4] Maier S A 2006 IEEE J. Sel. Topics Quantum Electron. 12 1671
[5] Economou E N 1969 Phys. Rev. 182 539
[6] Berini P 1999 Opt. Lett. 24 1011
[7] Jung J, Sondergaard T, Bozhevolnyi S I 2007 Phys. Rev. B 76 035434
[8] Guo J, Adato R 2008 Opt. Express 16 1232
[9] Tanaka K, Tanaka M 2003 Appl. Phys. Lett. 82 1158
[10] Kusunoki F, Yotsuya T, Takahara J, Kobayashi T 2005 Appl. Phys. Lett. 86 211101
[11] Gordon R, Brolo A G 2005 Opt. Express 13 1933
[12] Zhang H X,Gu Y,Gong Q H 2008 Chin. Phys. B 17 2567
[13] Pile D F P, Ogawa T, Gramotnev D K, Matsuzaki Y, Vernon K C, Yamaguchi K, Okamoto T, Haraguchi M, Fukui M 2005 Appl. Phys. Lett. 87 261114
[14] Liu L, Han Z, He S, 2005 Opt. Express 13 6645
[15] Xue W R, Guo Y N, Zhang W M 2009 Chin. Phys. B 18 2529
[16] Pile D F P, Ogawa T, Gramotnev D K, Okamoto T, Haraguchi M, Fukui M, Matsuo S 2005 Appl. Phys. Lett. 87 061106
[17] Boltasseva A, Volkov V S, Nielsen R B, Moreno E, Rodrigo S G, Bozhevolnyi S I 2008 Opt. Express 16 5252
[18] Ogawa T, Pile D F P, Okamoto T, Haraguchi M, Fukui M, Gramotnev D K 2008 J. Appl. Phys. 104 033102
[19] Lu J Q, Maradudin A A 1990 Phys. Rev. B 42 17 11159
[20] Chen S L, Shakya J, Lipson M 2006,Opt. Lett. 31 14 2133
[21] Pile D F P, Gramotnev D K 2004 Opt. Lett. 29 1069
[22] Lee I, Jung J, Park J, Kim H, Lee B 2007 Opt. Express 15 16596
[23] Xue W R, Guo Y N, Zhang J, Zhang W M 2009 J. Lightwave Technol 27 2634
[24] Arbel D, Orenstein M 2008 Opt. Express 16 3114
[25] Xue W R, Guo Y N, Li P, and Zhang W M 2008 Opt. Express 16 10710
[26] Guo Y N, Xue W R, Yang R C, Zhang W M 2009 Opt. Express 17 11822
[27] Guo Y N, Xue W R, Zhang W M 2009 Acta Phys. Sin. 58 4168 (in Chinese)[郭亚楠、薛文瑞、张文梅 2009 58 4168]
[28] Xue W R, Guo Y N, Zhang W M 2010 Chin. Phys. B 19 017302
[29] Holmgaard T, Bozhevolnyi S I 2007 Phys. Rev. B 75 245405
[30] Krasavin A V, Zayats A V 2007 Appl. Phys. Lett. 90 211101
[31] Steinberger B, Hohenau A, Ditlbacher H, Stepanov A L, Drezet A, Aussenegg F R, Leitner A, Krenn J R 2006 Appl. Phys. Lett. 88 094104
[32] Quinten M, Leitner A, Krenn J R, Aussenegg F R 1998 Opt. Lett. 23 1331
[33] Zhang H X, Gu Y, Gong Q H 2008 Chin. Phys. B 17 2567
[34] Hao P, Wu Y H, Zhang P 2010 Acta Phys. Sin. 59 6532 (in Chinese) [郝 鹏、吴一辉、张 平 2010 59 6532]
[35] Wu Y C, Gu Z 2008 Acta Phys. Sin. 57 2295 (in Chinese) [吴英才、顾 铮 2008 理学报 57 2295]
[36] Zhu Z M, Brown T G 2002 Opt. Express 10 853
[37] Guo S P, Wu F, Albin S, Tai H, Rogowski R S 2004 Opt. Express 12 3341
[38] Yu C P, Chang H C 2004 Opt. Express 12 6165
[39] Johnson P B, Christy R W 1972 Phys. Rev. B 6 4370
[40] Weber M J 2002 Handbook of optical materials(New York:CRC Press)p389
[41] Homola J, Piliarik M 2006 Springer series on chemical sensors and biosensors (Berlin:Springer) 4 p45
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