[1] C L Kane, E J Mele. Phys. Rev. Lett., 95(2005).

[2] C L Kane, E J Mele. Phys. Rev. Lett., 95(2005).

[3] J E Moore. Nature, 464, 194(2010).

[4] M Z Hasan, C L Kane. Rev. Mod. Phys., 82, 3045(2010).

[5] X Qi, S C Zhang. Rev. Mod. Phys., 83, 1057(2011).

[6] F D M Haldane, S Raghu. Phys. Rev. Lett., 100(2008).

[7] Z Wang, Y D Chong, J D Joannopoulos, M Soljačić. Phys. Rev. Lett., 100(2008).

[8] M Hafezi, E A Demler, M D Lukin, J M Taylor. Nat. Phys., 7, 907(2011).

[9] Y Poo, R Wu, Z Lin, Y Yang, C T Chan. Phys. Rev. Lett., 106(2011).

[10] M C Rechtsman, J M Zeuner, Y Plotnik, Y Lumer, D Podolsky, F Dreisow, S Nolte, M Segev, A Szameit. Nature, 496, 196(2013).

[11] A B Khanikaev, S H Mousavi, W Tse, M Kargarian, A H MacDonald, G Shvets. Nat. Mater., 12, 233(2013).

[12] G Q Liang, Y D Chong. Phys. Rev. Lett., 110(2013).

[13] L Lu, J D Joannopoulos, M Soljačić. Nat. Photon., 8, 821(2014).

[14] L Wu, X Hu. Phys. Rev. Lett., 114(2015).

[15] A B Khanikaev, G Shvets. Nat. Photon., 11, 763(2017).

[16] F Gao, H Xue, Z Yang, K Lai, Y Yu, X Lin, Y Chong, G Shvets, B Zhang. Nat. Phys., 14, 140(2018).

[17] A B Khanikaev, R Fleury, S H Mousavi, A Alù. Nat. Commun., 6, 8260(2015).

[18] M Xiao, W Chen, W He, C T Chan. Nat. Phys., 11, 920(2015).

[19] Z Yang, F Gao, X Shi, X Lin, Z Gao, Y Chong, B Zhang. Phys. Rev. Lett., 114(2015).

[20] R Fleury, A B Khanikaev, A Alù. Nat. Commun., 7(2016).

[21] Y Peng, C Qin, D Zhao, Y Shen, X Xu, M Bao, H Jia, X Zhu. Nat. Commun., 7(2016).

[22] C He, X Ni, H Ge, X Sun, Y Chen, M Lu, X Liu, Y Chen. Nat. Phys., 12, 1124(2016).

[23] J Lu, C Qiu, L Ye, X Fan, M Ke, F Zhang, Z Liu. Nat. Phys., 13, 369(2017).

[24] Z Zhang, Q Wei, Y Cheng, T Zhang, D Wu, X Liu. Phys. Rev. Lett., 118(2017).

[25] J Lu, C Qiu, W Deng, X Huang, F Li, F Zhang, S Chen, Z Liu. Phys. Rev. Lett., 120(2018).

[26] Y J Ding, Y G Peng, Y F Zhu, X D Fan, J Yang, B Liang, X F Zhu, X G Wan, J C Cheng. Phys. Rev. Lett., 122(2019).

[27] C Fang, M J Gilbert, B A Bernevig. Phys. Rev. B, 86(2012).

[28] W A Benalcazar, B A Bernevig, T L Hughes. Phys. Rev. B, 96(2017).

[29] F Liu, K Wakabayashi. Phys. Rev. Lett., 118(2017).

[30] J Langbehn, Y Peng, L Trifunovic, F von Oppen, P W Brouwer. Phys. Rev. Lett., 119(2017).

[31] Z Song, Z Fang, C Fang. Phys. Rev. Lett., 119(2017).

[32] W A Benalcazar, B A Bernevig, T L Hughes. Science, 357, 61(2017).

[33] M Ezawa. Phys. Rev. Lett., 120(2018).

[34] F Liu, H Deng, K Wakabayashi. Phys. Rev. Lett., 122(2019).

[35] F Liu, H Deng, K Wakabayashi. Phys. Rev. B, 97(2018).

[36] F Liu, M Yamamoto, K Wakabayashi. J. Phys. Soc. Jpn., 86(2017).

[37] M Serra-Garcia, V Peri, R Süsstrunk, O R Bilal, T Larsen, L G Villanueva, S D Huber. Nature, 555, 342(2018).

[38] H Fan, B Xia, L Tong, S Zheng, D Yu. Phys. Rev. Lett., 122(2019).

[39] C W Peterson, W A Benalcazar, T L Hughes, G Bahl. Nature, 555, 346(2018).

[40] S Imhof, C Berger, F Bayer, J Brehm, L W Molenkamp, T Kiessling, F Schindler, C H Lee, M Greiter, T Neupert, R Thomale. Nat. Phys., 14, 925(2018).

[41] J Noh, W A Benalcazar, S Huang, M J Collins, K P Chen, T L Hughes, M C Rechtsman. Nat. Photon., 12, 408(2018).

[42] B Xie, H Wang, H Wang, X Zhu, J Jiang, M Lu, Y Chen. Phys. Rev. B, 98(2018).

[43] S Mittal, V V Orre, G Zhu, M A Gorlach, A Poddubny, M Hafezi. Nat. Photon., 13, 692(2019).

[44] M Li, D Zhirihin, M Gorlach, X Ni, D Filonov, A Slobozhanyuk, A Alù, A B Khanikaev. Nat. Photon., 14, 89(2020).

[45] H Xue, Y Yang, F Gao, Y Chong, B Zhang. Nat. Mater., 18, 108(2019).

[46] X Ni, M Weiner, A Alù, A B Khanikaev. Nat. Mater., 18, 113(2019).

[47] X Zhang, H Wang, Z Lin, Y Tian, B Xie, M Lu, Y Chen, J Jiang. Nat. Phys., 15, 582(2019).

[48] Z Chen, C Xu, R Al Jahdali, J Mei, Y Wu. Phys. Rev. B, 100(2019).

[49] Z Zhang, M Rosendo López, Y Cheng, X Liu, J Christensen. Phys. Rev. Lett., 122(2019).

[50] S Yu, X Ni, Y Xu, C He, N Priyanka, M Lu, Y Chen. Chin. Phys. Lett., 33(2016).

[51] A Khelif, A Choujaa, S Benchabane, B Djafari-rouhani, V Laude. Appl. Phys. Lett., 84, 4400(2004).

[52] C Ahmet, A K Olgun, U Bulent. Chin. Phys. B, 22(2013).

[53] Y Ota, F Liu, R Katsumi, K Watanabe, K Wakabayashi, Y Arakawa, S Iwamoto. Optica, 6, 786(2019).

[54] O Ryo, H Shin, N Takeshi. Phys. Rev. B, 100(2019).

[55] X Kong, L Yue, Y Chen, Y Liu. Chin. Phys. B, 21(2012).

[56] Z Fang, Z Hou. Chin. Phys. Lett., 35(2018).