[1] [1] Nie S, Emory S R. Probing single molecules and single nanoparticles by surface-enhanced Raman scattering［J］. Science, 1997, 275(5303): 1102-1106.

[2] [2] Ng M Y, Liu W C. Local-field confinement in three-pair arrays of metallic nanocylinders［J］. Optics Express, 2006, 14(10): 4504-4513.

[3] [3] Pellegrini G, Bello V, Mattei G, et al. Local-field enhancement and plasmon tuning in bimetallic nanoplanets［J］. Optics Express, 2007, 15(16): 10097-10102.

[4] [4] Rümke T M, Sánchez-Gil J A, Muskens O L, et al. Local and anisotropic excitation of surface plasmon polaritons by semiconductor nanowires［J］. Optics Express, 2008, 16(7): 5013-5021.

[5] [5] Tanaka K, Tanaka M, Sugiyama T. Simulation of practical nanometric optical circuits based on surface plasmon polariton gap waveguides［J］. Optics Express, 2005, 13(1): 256-266.

[6] [6] Hibbins A P, Hendry E, Lockyer M J, et al. Prism coupling to "designer" surface plasmons［J］. Optics Express, 2008, 16(25): 20441-20447.

[7] [7] van Exter M P, Tenner V T, van Beijnum F, et al. Surface plasmon dispersion in metal hole array lasers［J］. Optics Express, 2013, 21(22): 27422-27437.

[8] [8] Ebbesen T W, Lezec H J, Ghaemi H F, et al. Extraordinary optical transmission through sub-wavelength hole arrays［J］. Nature, 1998, 391(6668): 667-669.

[9] [9] Barnes W L, Murray W A, Dintinger J, et al. Surface plasmon polaritons and their role in the enhanced transmission of light through periodic arrays of subwavelength holes in a metal film［J］. Physical Review Letters, 2004, 92(10): 107401.

[10] [10] Brolo A G, Gordon R, Leathem B, et al. Surface plasmon sensor based on the enhanced light transmission through arrays of nanoholes in gold films［J］. Langmuir, 2004, 20(12): 4813-4815.

[11] [11] Dhawan A, Canva M, Vo-Dinh T. Narrow groove plasmonic nano-gratings for surface plasmon resonance sensing［J］. Optics Express, 2011, 19(2): 787-813.

[12] [12] Zhang X D. Extraordinary transmissions on cylinder metallic gratings with very narrow slits［J］. Physics Letters A, 2004, 331(3-4): 252-257.

[13] [13] Chen Quansheng, Tong Yuying, Zhuang Yuan, et al. Unidirectional excitation of surface plasmon based on metallic slit-groove structure［J］. Chinese J Lasers, 2014, 41(5): 0510001.

[14] [14] Li J, Gu Y, Gong Q H. Tuning of narrow geometric resonances in Ag/Au binary nanoparticle arrays［J］. Optics Express, 2010, 18(17): 17684-17698.

[15] [15] Zhang Ming, Lü Jingwei, Liu Zhaoyan, et al. Surface plasmon resonance properties of silver nanosphere arrays［J］. Laser & Optoelectronics Progress, 2016, 53(8): 081601.

[16] [16] Li Juan, Wang Bingyan, Xue Wenrui. Propagation properties of Y-splitters based on MIM surface plasmonic waveguides［J］. Acta Optica Sinica, 2012, 32(1): 0124002.

[17] [17] Wang Jicheng, Liu Hongjiao, Cai Zengyan, et al. Design of surface plasmon dichroic splitter with two metallic slits［J］. Laser & Optoelectronics Progress, 2014, 51(10): 102301.

[18] [18] Liu Hongjiao, Shen Kaijun, Wang Jicheng, et al. Plasmonic dichroic splitter based on multi-slits in MIM structure［J］. Laser & Optoelectronics Progress, 2015, 52(10): 102302.

[19] [19] Minh T T, Tanaka K, Tanaka M. Complex propagation constants of surface plasmon polariton rectangular waveguide by method of lines［J］. Optics Express, 2008, 16(13): 9378-9390.

[20] [20] Li S S, Jadidi M M, Murphy T E, et al. Terahertz surface plasmon polaritons on a semiconductor surface structured with periodic V-grooves［J］. Optics Express, 2013, 21(6): 7041-7049.

[21] [21] Cakmakyapan S, Serebryannikov A E, Caglayan H, et al. Spoof-plasmon relevant one-way collimation and multiplexing at beaming from a slit in metallic grating［J］. Optics Express, 2012, 20(24): 26636-26648.

[22] [22] Diedenhofen S L, Kufer D, Lasanta T, et al. Integrated colloidal quantum dot photodetectors with color-tunable plasmonic nanofoucsing lenses［J］. Light: Science & Applications, 2015, 4(1): e234.

[23] [23] Kim K J, Kim J E, Park H Y, et al. Propagation of spoof surface plasmon on metallic square lattice: bending and splitting of self-collimated beams［J］. Optics Express, 2014, 22(4): 4050-4058.

[24] [24] Kosaka H, Kawashima T, Tomita A, et al. Self-collimating phenomena in photonic crystals［J］. Applied Physics Letters, 1999, 74(9): 1212-1214.

[25] [25] Chen Y H, Huang L, Gan L, et al. Wavefront shaping of infrared light through a subwavelength hole［J］. Light: Science & Applications, 2012, 1(8): e26.

[26] [26] Chen Y H, Fu J X, Li Z Y. Surface wave holography on designing subwavelength metallic structures［J］. Optics Express, 2011, 19(24): 23908-23920.

[27] [27] Chen Y G, Wang Y, Li Z Y. Complicated wavefront shaping of surface plasmon polaritons on metal surface by holographic groove patterns［J］. Plasmonics, 2014, 9(5): 1057-1062.

[28] [28] Chen Y G, Chen Y H, Li Z Y. Direct method to control surface plasmon polaritons on metal surface［J］. Optics Letters, 2014, 39(2): 339-342.

[29] [29] Chen Y G, Li Z Y. Free space optical beam coupled to surface plasmonic polariton waves via designed grooves in metal film［J］. Chinese Optics Letters, 2015, 13(2): 020501.