[1] H X Xu, E J Bjerneld, M Kall, L Borjesson. Phys. Rev. Lett, 83, 4357(1999).

[2] R Zhang, Y Zhang, Z C Dong, S Jiang, C Zhang, L G Chen, L Zhang, Y Liao, J Aizpurua, Y Luo, J L Yang, J G Hou. Nature, 498, 82(2013).

[3] J D Shao, L P Tong, S Y Tang, Z N Guo, H Zhang, P H Li, H Y Wang, C Du, X F Yu. Acs Appl. Mater. Inter, 7, 5391(2015).

[4] S S Acimovic, H Sipova-Jungova, G Emilsson, L Shao, A B Dahlin, M Kall, T J Antosiewicz. ACS Nano, 12, 9958(2018).

[5] A B Taylor, P Zijlstra. Acs Sens, 2, 1103(2017).

[6] Y R Fang, Z P Li, Y Z Huang, S P Zhang, P Nordlander, N J Halas, H X Xu. Nano Lett, 10, 1950(2010).

[7] H Ditlbacher, A Hohenau, D Wagner, U Kreibig, M Rogers, F Hofer, F R Aussenegg, J R Krenn. Phys. Rev. Lett, 95(2005).

[8] D K Gramotnev, S I Bozhevolnyi. Nat. Photon, 4, 83(2010).

[9] C P Liu, X L Zhu, J S Zhang, J Xu, Y Leprince-Wang, D P Yu. Chin. Phys. Lett, 33(2016).

[10] G Zengin, M Wersall, S Nilsson, T J Antosiewicz, M Kall, T Shegai. Phys. Rev. Lett, 114(2015).

[11] Y R Fang, M T Sun. Light-Sci. Appl, 4, e294(2015).

[12] D Pan, H Wei, L Gao, H Xu. Phys. Rev. Lett, 117(2016).

[13] A V Akimov, A Mukherjee, C L Yu, D E Chang, A S Zibrov, P R Hemmer, H Park, M D Lukin. Nature, 450, 402(2007).

[14] D E Chang, A S Sorensen, P R Hemmer, M D Lukin. Phys. Rev. B, 76(2007).

[15] M Allione, V V Temnov, Y Fedutik, U Woggon, M V Artemyev. Nano Lett, 8, 31(2008).

[16] H Wei, Z X Wang, X R Tian, M Kall, H X Xu. Nat. Commun, 2, 387(2011).

[17] Y J Cai, M Li, X Xiong, L Yu, X F Ren, G P Guo, G C Guo. Chin. Phys. Lett, 32(2015).

[18] J Lin, J P B Mueller, Q Wang, G H Yuan, N Antoniou, X C Yuan, F Capasso. Science, 340, 331(2013).

[19] A Gonzalez-Tudela, D Martin-Cano, E Moreno, L Martin-Moreno, C Tejedor, F J Garcia-Vidal. Phys. Rev. Lett, 106(2011).

[20] M Li, C L Zou, X F Ren, X Xiong, Y J Cai, G P Guo, L M Tong, G C Guo. Nano Lett, 15, 2380(2015).

[21] M Qurban, A Tahira, G Q Ge, M Ikram. Chin. Phys. B, 28(2019).

[22] S A Maier. Plasmonics: fundamentals and applications(2007).

[23] N A Mortensen, S Raza, M Wubs, T Sondergaard, S I Bozhevolnyi. Nat. Commun, 5, 3809(2014).

[24] D C Marinica, A K Kazansky, P Nordlander, J Aizpurua, A G Borisov. Nano Lett, 12, 1333(2012).

[25] K Andersen, K L Jensen, N A Mortensen, K S Thygesen. Phys. Rev. B, 87(2013).

[26] A Manjavacas, J G Liu, V Kulkarni, P Nordlander. ACS Nano, 8, 7630(2014).

[27] C L Román, H Ortwin, L Johannes. Commun. Phys, 2, 1254(2019).

[28] L V Besteiro, X T Kong, Z M Wang, G Hartland, A O Govorov. Acs Photon, 4, 2759(2017).

[29] G Toscano, J Straubel, A Kwiatkowski, C Rockstuhl, F Evers, H X Xu, N A Mortensen, M Wubs. Nat. Commun, 6, 7132(2015).

[30] D Ballester, M S Tame, M S Kim. Phys. Rev. A, 82(2010).

[31] F Alpeggiani, L C Andreani. Plasmonics, 9, 965(2014).

[32] A Trugler, U Hohenester. Phys. Rev. B, 77(2008).

[33] A L Rodarte, A R Tao. J. Phys. Chem. C, 121, 3496(2017).

[34] E Waks, D Sridharan. Phys. Rev. A, 82(2010).

[35] M S Tame, K R McEnery, S K Ozdemir, J Lee, S A Maier, M S Kim. Nat. Phys, 9, 329(2013).

[36] J J Hopfield. Phys. Rev, 112, 1555(1958).

[37] Y O Nakamura. Prog. Theor. Phys, 70, 908(1983).

[38] A Archambault, F Marquier, J J Greffet, C Arnold. Phys. Rev. B, 82(2010).

[39] B Huttner, S M Barnett. Phys. Rev. A, 46, 4306(1992).

[40] . Electromagnetic surface modes(1983).

[41] M F Picardi, K Y Bliokh, F J Rodriguez-Fortuno, F Alpeggiani, F Nori. Optica, 5, 1016(2018).

[42] E Altewischer, M P van Exter, J P Woerdman. Nature, 418, 304(2002).

[43] E Moreno, F J Garcia-Vidal, D Erni, J I Cirac, L Martin-Moreno. Phys. Rev. Lett, 92(2004).

[44] J del Pino, J Feist, F J Garcia-Vidal, J J Garcia-Ripoll. Phys. Rev. Lett, 112(2014).

[45] V B Berestetskii, L P Pitaevskii, E M Lifshitz. Quantum Electrodynamics(1982).

[46] K Y Bliokh, F J Rodriguez-Fortuno, F Nori, A V Zayats. Nat Photon, 9, 796(2015).

[47] G M Wysin, V Chikan, N Young, R K Dani. J. Phys-Condens Mat, 25(2013).

[48] S Zhang, H Wei, K Bao, U Hakanson, N J Halas, P Nordlander, H Xu. Phys. Rev. Lett, 107(2011).

[49] J M Elson, R H Ritchie. Phys. Rev. B, 4, 4129(1971).

[50] K Y Bliokh, F Nori. Phys. Rev. A, 85(2012).

[51] K Y Bliokh, A Y Bekshaev, F Nori. Nat. Commun, 5, 3300(2014).

[52] K Y Bliokh, A Y Bekshaev, F Nori. Phys. Rev. Lett, 119(2017).

[53] K Y Bliokh. Phys. Lett. A, 382, 1695(2018).

[54] Y Fang. Phys. Exp, 39, 1(2019).

[55] B Rousseaux, D G Baranov, M Kall, T Shegai, G Johansson. Phys. Rev. B, 98(2018).

[56] X W Chen, V Sandoghdar, M Agio. Phys. Rev. Lett, 110(2013).