[1] [1] K. J. Vahala. Optical microcavities［J］. Nature, 2003, 424(6950): 839～846

[2] [2] R. W. Boyd, J. E. Heebner. Sensitive disk resonator photonic biosensor［J］. Appl. Opt., 2001, 40(31): 5742～5747

[3] [3] A. Polman, B. Min, J. Kalkman et al.. Ultra-low threshold erbium-implanted toroidal microlaser on silicon［J］. Appl. Phys. Lett., 2004, 84(7): 1037～1039

[4] [4] T. Carmon, K. Vahala. Visible continuous emission from a silica microphotonic device by third-harmonic generation［J］. Nat. Phys., 2007, 3(6): 430～435

[5] [5] S. M. Spillane, T. J. Kippenberg, K. J. Vahala et al.. Ultrahigh-Q toroidal microresonators for cavity quantum electrodynamics［J］. Phys. Rev. A, 2005, 14(3): 1094～1105

[6] [6] T. Aoki, B. Dayan, E. Wilcut et al.. Observation of strong coupling between one atom and a monolithic microresonator［J］. Nature, 2006, 443(7112): 671～674

[7] [7] Gu Zhengtian, Feng Shimeng, Liang Peihui et al.. Sol-gel film sensor based on surface plasmon resonance［J］. Acta Optica Sinica, 2001, 21(1): 83～87

[8] [8] L. Maleki, A. B. Matsko, A. A. Savchenkov et al.. Tunable delay line with interacting whispering-gallery-mode resonators［J］. Opt. Lett., 2004, 17(1): 626～628

[9] [9] C. H. Dong, Y. F. Xiao, Z. F. Han et al.. Low-threshold microlaser in ErYb phosphate glass coated microsphere［J］. IEEE Photon. Technol. Lett., 2008, 20(5): 342～344

[10] [10] E. Ozbay. Plasmonics: merging photonics and electronics at nanoscale dimensions［J］. Science, 2006, 311(5758): 189～193

[11] [11] Zhou Lin, Zhu Yongyuan. Propagation characteristics of surface plasmon polaritons in a metal heterowaveguide array［J］. Acta Optica Sinica, 2008, 28(6): 1047～1050

[12] [12] A. Hosseini, Y. Massoud. Nanoscale surface plasmon based resonator using rectangular geometry［J］. Appl. Phys. Lett., 2007, 90(18): 181102

[13] [13] H. T. Miyazaki, Y. Kurokawa. Squeezing visible light waves into a 3-nm-thick and 55-nm-long plasmon cavity［J］. Phys. Rev. Lett., 2006, 96(9): 097401

[14] [14] C. E. Hofmann, E. J. R. Vesseur, L. A. Sweatlock et al.. Plasmonic modes of annular nanoresonators imaged by spectrally resolved cathodoluminescence［J］. Nano Lett., 2007, 7(12): 3612～3617

[15] [15] Y. Song, J. Wang, M. Yan et al.. Subwavelength hybrid plasmonic nanodisk with high Q factor and Purcell factor［J］. J. Opt., 2011, 13(7): 075001

[16] [16] S. A. Maier. Plasmonic field enhancement and SERS in the effective mode volume picture［J］. Opt. Express, 2006, 14(5): 1957～1964

[17] [17] H. Ditlbacher, A. Hohenau, D. Wagner et al.. Silver nanowires as surface plasmon resonators［J］. Phys. Rev. Lett., 2005, 95(25): 257403

[18] [18] H. T. Miyazaki, Y. Kurokawa. Squeezing visible light waves into a 3-nm-thick and 55-nm-long plasmon cavity［J］. Phys. Rev. Lett., 2006, 96(9): 097401

[19] [19] B. Min, E. Ostby, V. Sorger et al.. High-Q surface-plasmon-polariton whispering-gallery microcavity［J］. Nature, 2009, 457(7228): 455～458

[20] [20] D. K. Armani, T. J. Kippenberg, S. M. Spillane et al.. Ultra-high-Q toroid microcavity on a chip［J］. Nature, 2003, 421(6926): 925～928

[21] [21] P. B. Johnson, R. W. Christy. Optical constants of the noble metals［J］. Phys. Rev. B, 1972, 6(12): 4370～4379

[22] [22] M. Oxborrow. Traceable 2-D finite-element simulation of the whispering-gallery modes of axisymmetric electromagnetic resonators［J］. IEEE Trans. Microw. Theory Techn., 2007, 55(6): 1209～1218

[23] [23] C. L. Zou, Y. F. Xiao, Z. F. Han. High-Q surface-plasmon-polariton whispering-gallery microcavity［J］. J. Opt. Soc. Am. B, 2010, 27(12): 2495～2498

[24] [24] R. F. Oulton, V. J. Sorger, D. A. Genov. A hybrid plasmonic waveguide for subwavelength confinement and long-range propagation［J］. Nat. Photonics, 2008, 2(8): 496～500

[25] [25] Y. F. Xiao, C. L. Zou, B. B. Li et al.. High-Q exterior whispering-gallery modes in a metal-coated microresonator［J］. Phys. Rev. Lett., 2010, 105(15): 153902

[26] [26] E. J. R. Vesseur, F. J. García de Abajo, A. Polman. Modal decomposition of surface-plasmon whispering gallery resonators［J］. Nano Lett., 2009, 9(9): 3147～3150

[27] [27] Lü Qiang, Huang Dexiu, Yuan Xiuhua et al.. Sensitivity of surface plasma resonance sensor for different wavelengths［J］ . Chinese J. Lasers, 2007, 34(7): 972～976