[1] Barnes W L, Dereux A, Ebbesen T W. Surface plasmon subwavelength optics[J]. Nature, 424, 824-830(2003).

[2] Liu L, Han Z H, He S L. Novel surface plasmon waveguide for high integration[J]. Optics Express, 13, 6645-6650(2005).

[3] Zia R, Schuller J A, Chandran A et al. Plasmonics: the next chip-scale technology[J]. Materials Today, 9, 20-27(2006).

[4] Veronis G, Fan S H. Modes of subwavelength plasmonic slot waveguides[J]. Journal of Lightwave Technology, 25, 2511-2521(2007).

[5] Yun B F, Hu G H, Cui Y P. Theoretical analysis of a nanoscale plasmonic filter based on a rectangular metal-insulator-metal waveguide[J]. Journal of Physics D, 43, 385102(2010).

[6] Liu J S Q, Pala R A, Afshinmanesh F et al. A submicron plasmonic dichroic splitter[J]. Nature Communications, 2, 525(2011).

[7] Zhu X L, Yan W, Mortensen N A et al. Bends and splitters in graphene nanoribbon waveguides[J]. Optics Express, 21, 3486-3491(2013).

[8] Qiao L T, Zhang G M, Wang Z S et al. Study on the Fano resonance of coupling M-type cavity based on surface plasmon polaritons[J]. Optics Communications, 433, 144-149(2019).

[9] Chen Y, Cao J G, Xu Y M et al. Fano resonance sensing characteristics of metal-dielectric-metal waveguide coupling square cavity with bimetallic baffle[J]. Chinese Journal of Lasers, 46, 0213001(2019).

[10] Wang M M, Yun L Y, Wang Y F et al. Plasma refractive index nanosensor based on Fano resonance[J]. Laser & Optoelectronics Progress, 57, 052401(2020).

[11] Bozhevolnyi S I, Volkov V S, Devaux E et al. Channel plasmon subwavelength waveguide components including interferometers and ring resonators[J]. Nature, 440, 508-511(2006).

[12] Xu Q, Zhang X Q, Wei M G et al. Efficient metacoupler for complex surface plasmon launching[J]. Advanced Optical Materials, 6, 1701117(2018).

[13] Gao X, Che W Q, Feng W J. Novel non-periodic spoof surface plasmon polaritons with H-shaped cells and its application to high selectivity wideband bandpass filter[J]. Scientific Reports, 8, 2546(2018).

[14] Zand I, Mahigir A, Pakizeh T et al. Selective-mode optical nanofilters based on plasmonic complementary split-ring resonators[J]. Optics Express, 20, 7516-7525(2012).

[15] Guo Z H, Zhang G M, Qiao L T et al. Design of the voltage tunable side-coupled asymmetric Y-type resonance cavity MIM filter based on surface plasmon polaritons[J]. OSA Continuum, 3, 609-619(2020).

[16] Zhu Y J, Huang X G, Mei X. A surface plasmon polariton electro-optic switch based on a metal-insulator-metal structure with a strip waveguide and two side-coupled cavities[J]. Chinese Physics Letters, 29, 064214(2012).

[17] Wang T B, Wen X W, Yin C P et al. The transmission characteristics of surface plasmon polaritons in ring resonator[J]. Optics Express, 17, 24096-24101(2009).

[18] Guo Y H, Yan L S, Pan W et al. Characteristics of plasmonic filters with a notch located along rectangular resonators[J]. Plasmonics, 8, 167-171(2013).

[19] Duan G Y, Lang P L, Wang L L et al. A band-pass plasmonic filter with dual-square ring resonator[J]. Modern Physics Letters B, 28, 1450188(2014).

[20] Zhang Z, Shi F H, Chen Y H. Tunable multichannel plasmonic filter based on coupling-induced mode splitting[J]. Plasmonics, 10, 139-144(2015).

[21] Wu M, Liang X Y, Yan C L et al. Design of arch-type resonance cavity filter based on surface plasmon polaritons[J]. Laser & Optoelectronics Progress, 56, 202417(2019).

[22] Zhu J H, Wang Q J, Shum P et al. A nanoplasmonic high-pass wavelength filter based on a metal-insulator-metal circuitous waveguide[J]. IEEE Transactions on Nanotechnology, 10, 1357-1361(2011).

[23] Yun B F, Hu G H, Cui Y P. Resonant mode analysis of the nanoscale surface plasmon polariton waveguide filter with rectangle cavity[J]. Plasmonics, 8, 267-275(2013).

[24] Peng X, Li H J, Wu C N et al. Research on transmission characteristics of aperture-coupled square-ring resonator based filter[J]. Optics Communications, 294, 368-371(2013).

[25] Han Z, Van V, Herman W N et al. Aperture-coupled MIM plasmonic ring resonators with sub-diffraction modal volumes[J]. Optics Express, 17, 12678-12684(2009).

[26] Nezhad V F, Abaslou S, Abrishamian M S. Plasmonic band-stop filter with asymmetric rectangular ring for WDM networks[J]. Journal of Optics, 15, 055007(2013).

[27] Geis W, Sinta R, Mowers W et al. Fabrication of crystalline organic waveguides with an exceptionally large electro-optic coefficient[J]. Applied Physics Letters, 84, 3729-3731(2004).

[28] Zhu J H, Huang X G, Mei X. Plasmonic electro-optical switches operating at telecom wavelengths[J]. Plasmonics, 6, 605-612(2011).

[29] Zhu J H, Wang Q J, Shum P et al. A simple nanometeric plasmonic narrow-band filter structure based on metal-insulator-metal waveguide[J]. IEEE Transactions on Nanotechnology, 10, 1371-1376(2011).

[30] Shi S S, Wei Z C, Lu Z Y et al. Enhanced plasmonic band-pass filter with symmetric dual side-coupled nanodisk resonators[J]. Journal of Applied Physics, 118, 143103(2015).

[31] Liu H R, Zhang G M, Wang Z S et al. Design of the square concave ring resonantor MIM filter based on the surface plasmon polaritons[J]. Acta Photonica Sinica, 47, 0223004(2018).

[32] Zheng G G, Su W, Chen Y Y et al. Band-stop filters based on a coupled circular ring metal-insulator-metal resonator containing nonlinear material[J]. Journal of Optics, 14, 055001(2012).

[33] Song C, Qu S N, Wang J C et al. Plasmonic tunable filter based on trapezoid resonator waveguide[J]. Journal of Modern Optics, 62, 1400-1404(2015).