[1] Miri M A and Alù A 2019 Science 363 eaar7709 [2] Bender C M and Boettcher S 1998 Phys. Rev. Lett. 80 5243 [3] Zyablovsky A A, Vinogradov A P, Pukhov A A, Dorofeenko A V and Lisyansky A A 2014 Phys.-Usp. 57 1063 [4] Konotop V V, Yang J and Zezyulin D A 2016 Rev. Mod. Phys. 88 035002 [5] Longhi S 2017 Europhys. Lett. 120 64001 [6] Feng L, El-Ganainy R and Ge L 2017 Nat. Photon. 11 752 [7] El-Ganainy R, Makris K G, Khajavikhan M, Musslimani Z H, Rotter S and Christodoulides D N 2018 Nat. Phys. 14 11 [8] Özdemir Ş K, Rotter S, Nori F and Yang L 2019 Nat. Mater. 18 783 [9] Ge L and Türeci H E 2013 Phys. Rev. A 88 053810 [10] Peng P, Cao W, Shen C, Qu W, Wen J, Jiang L and Xiao Y 2016 Nat. Phys. 12 1139 [11] Jing H, Özdemir S K, Lü X Y, Zhang J, Yang L and Nori F 2014 Phys. Rev. Lett. 113 053604 [12] Zhang J, Peng B, Özdemir Ş K, Pichler K, Krimer D O, Zhao G, Nori F, Liu Y x, Rotter S and Yang L 2018 Nat. Photon. 12 479 [13] Lu X Y, Jing H, Ma J Y and Wu Y ¨ 2015 Phys. Rev. Lett. 114 253601 [14] Liu Z P, Zhang J, Özdemir Ş K, Peng B, Jing H, Lü X Y, Li C W, Yang L, Nori F and Liu Y X 2016 Phys. Rev. Lett. 117 110802 [15] Zhang X L, Wang S, Hou B and Chan C T 2018 Phys. Rev. X 8 021066 [16] Yoon J W, Choi Y, Hahn C, Kim G, Song S H, Yang K Y, Lee J Y, Kim Y, Lee C S, Shin J K, Lee H S and Berini P 2018 Nature 562 86 [17] Feng L, Xu Y L, Fegadolli W S, Lu M H, Oliveira J E B, Almeida V R, Chen Y F and Scherer A 2013 Nat. Mater. 12 108 [18] Castaldi G, Savoia S, Galdi V, Alù A and Engheta N 2013 Phys. Rev. Lett. 110 173901 [19] Cao P C and Zhu X F 2021 Chin. Phys. B 30 030505 [20] Jiang Y, Mei Y, Zuo Y, Zhai Y, Li J, Wen J and Du S 2019 Phys. Rev. Lett. 123 193604 [21] Fan H, Chen J, Zhao Z, Wen J and Huang Y P 2020 ACS Photonics 7 3035 [22] Zhang X L, Jiang T and Chan C T 2019 Light Sci. Appl. 8 88 [23] Park S, Lee D, Park K, Shin H, Choi Y and Yoon J W 2021 Phys. Rev. Lett. 127 083601 [24] Zhao J, Liu Y, Wu L, Duan C K, Liu Y X and Du J 2020 Phys. Rev. Applied 13 014053 [25] Yang Y, Wang Y P, Rao J W, Gui Y S, Yao B M, Lu W and Hu C M 2020 Phys. Rev. Lett. 125 147202 [26] Li Y, Peng Y G, Han L, Miri M A, Li W, Xiao M, Zhu X F, Zhao J, Alù A, Fan S and Qiu C W 2019 Science 364 170 [27] Xu G, Li Y, Li W, Fan S and Qiu C W 2021 Phys. Rev. Lett. 127 105901 [28] Choi Y, Hahn C, Yoon J W and Song S H 2018 Nat. Commun. 9 2182 [29] Li Q, Zhang C J, Cheng Z D, Liu W Z, Wang J F, Yan F F, Lin Z H, Xiao Y, Sun K, Wang Y T, Tang J S, Xu J S, Li C F and Guo G C 2019 Optica 6 67 [30] Ding L, Shi K, Wang Y, Zhang Q, Zhu C, Zhang L, Yi J, Zhang S, Zhang X and Zhang W 2021 arXiv: 2107.12635[quant–ph] [31] Bergman A, Duggan R, Sharma K, Tur M, Zadok A and Alù A 2021 Nat. Commun. 12 486 [32] Wen J, Qin G, Zheng C, Wei S, Kong X, Xin T and Long G 2020 npj Quantum Inf. 6 28 [33] Cao W, Lu X, Meng X, Sun J, Shen H and Xiao Y 2020 Phys. Rev. Lett. 124 030401 [34] Zhang F, Feng Y, Chen X, Ge L and Wan W 2020 Phys. Rev. Lett. 124 053901 [35] Stegmaier A, Imhof S, Helbig T, Hofmann T, Lee C H, Kremer M, Fritzsche A, Feichtner T, Klembt S, Höfling S, Boettcher I, Fulga I C, Ma L, Schmidt O G, Greiter M, Kiessling T, Szameit A and Thomale R 2021 Phys. Rev. Lett. 126 215302 [36] Wang F, Niu X, Hu X, Gu T, Wang X, Yang J, Yang H, Ao Y, Wang S and Gong Q 2020 Phys. Rev. Applied 14 044050 [37] Yang F, Liu Y C and You L 2017 Phys. Rev. A 96 053845 [38] Dai Y, Wen Z, Ji K, Liu Z, Wang H, Zhang Z, Gao Y, Lu B, Wang Y, Qi X and Bai J 2020 Opt. Lett. 45 3099 [39] Lu B, Liu X F, Gao Y P, Cao C, Wang T J and Wang C 2019 Opt. Express 27 22237 [40] Zhang H, Huang R, Zhang S D, Li Y, Qiu C W, Nori F and Jing H 2020 Nano Lett. 20 7594 [41] Xu H S and Jin L 2021 Phys. Rev. A 104 012218 [42] Zheng C 2019 Europhys. Lett. 126 30005 [43] Wang C, Yang M L, Guo C X, Zhao X M and Kou S P 2019 Europhys. Lett. 128 41001 [44] Qi H, Hu X, Wang X and Gong Q 2021 Phys. Rev. A 103 063520 [45] Nair J M P, Mukhopadhyay D and Agarwal G S 2021 Phys. Rev. Lett. 126 180401 [46] Li H, Mekawy A and Alù A 2021 Phys. Rev. Lett. 127 014301 [47] Cao P, Li Y, Peng Y, Qiu C and Zhu X 2020 ES Energy Environ. 7 48 [48] Carlo M D, Leonardis F D, Lamberti L and Passaro V M N 2019 Opt. Lett. 44 3956 [49] Abbas M, Khurshid A, Hussain I and Ziauddin 2020 Opt. Express 28 8003 [50] Peng Z H, Jia C X, Zhang Y Q, Yuan J B and Kuang L M 2020 Phys. Rev. A 102 043527 [51] Shui T, Yang W X, Li L and Wang X 2019 Opt. Lett. 44 2089 [52] Roy A, Jahani S, Guo Q, Dutt A, Fan S, Miri M A and Marandi A 2021 Optica 8 415 [53] Wu J H, Artoni M and La Rocca G C 2014 Phys. Rev. Lett. 113 123004 [54] Konotop V V and Zezyulin D A 2018 Phys. Rev. Lett. 120 123902 [55] Wang X and Wu J H 2016 Opt. Express 24 4289 [56] Ryu J W, Son W S and Hwang D U 2019 Phys. Rev. E 100 022209 [57] Wu J H, Artoni M and La Rocca G C 2015 Phys. Rev. A 91 033811 [58] Antonosyan D A, Solntsev A S and Sukhorukov A A 2015 Opt. Lett. 40 4575 [59] Chen P and Chong Y D 2017 Phys. Rev. A 95 062113 [60] Longhi S 2018 Opt. Lett. 43 4025 [61] Zhao X, Xing Y, Qi L, Liu S, Zhang S and Wang H F 2021 New J. Phys. 23 073043 [62] Jin L 2018 Phys. Rev. A 98 022117 [63] Duan Y, Zhang X, Ding Y and Ni X 2021 Photonics Res. 9 1280 [64] Chen B, Guo Y and Shen H 2020 Opt. Express 28 28762 [65] Ke S, Zhao D, Liu J, Liu Q, Liao Q, Wang B and Lu P 2019 Opt. Express 27 13858 [66] Wu H C, Jin L and Song Z 2021 Phys. Rev. B 103 235110 [67] Jahromi H R, Nori F and Franco R L 2021 arXiv: 2101.04663[quant– ph] [68] Qin Y, Chen H, Luo D, Pan C, Hu H, Zhang Y and Wei D 2021 Opt. Express 29 29175 [69] Xu J F, Yang X B, Chen H H and Lin Z H 2020 Chin. Phys. B 29 064201 [70] Wiersig J 2014 Phys. Rev. Lett. 112 203901 [71] Wiersig J 2020 Photonics Res. 8 1457 [72] Li J, Suh M G and Vahala K 2017 Optica 4 346 [73] Li R, Fan W, Jiang L, Duan L, Quan W and Fang J 2016 Phys. Rev. A 94 032109 [74] Li K, Davuluri S and Li Y 2018 Sci. China-Phys. Mech. Astron. 61 090311 [75] Ren J, Hodaei H, Harari G, Hassan A U, Chow W, Soltani M, Christodoulides D and Khajavikhan M 2017 Opt. Lett. 42 1556 [76] Smith D D, Chang H, Horstman L and Diels J C 2019 Opt. Express 27 34169 [77] Grant M J and Digonnet M J F 2020 Opt. Lett. 45 6538 [78] Mao X, Qin G Q, Yang H, Zhang H, Wang M and Long G L 2020 New J. Phys. 22 093009 [79] Sunada S 2017 Phys. Rev. A 96 033842 [80] Grant M J and Digonnet M J F 2021 Opt. Lett. 46 2936 [81] Lai Y H, Suh M G, Lu Y K, Shen B, Yang Q F, Wang H, Li J, Lee S H, Yang K Y and Vahala K 2020 Nat. Photon. 14 345 [82] Wang H, Lai Y H, Yuan Z, Suh M G and Vahala K 2020 Nat. Commun. 11 1610 [83] Horstman L, Hsu N, Hendrie J, Smith D and Diels J C 2020 Photonics Res. 8 252 [84] Lai Y H, Lu Y K, Suh M G, Yuan Z and Vahala K 2019 Nature 576 65 [85] Hokmabadi M P, Schumer A, Christodoulides D N and Khajavikhan M 2019 Nature 576 70 [86] Maayani S, Dahan R, Kligerman Y, Moses E, Hassan A U, Jing H, Nori F, Christodoulides D N and Carmon T 2018 Nature 558 569 [87] Huang R, Miranowicz A, Liao J Q, Nori F and Jing H 2018 Phys. Rev. Lett. 121 153601 [88] Li B, Huang R, Xu X, Miranowicz A and Jing H 2019 Photonics Res. 7 630 [89] Jing H, Lu H, Özdemir S K, Carmon T and Nori F 2018 Optica 5 1424 [90] Jiao Y F, Zhang S D, Zhang Y L, Miranowicz A, Kuang L M and Jing H 2020 Phys. Rev. Lett. 125 143605 [91] Lu H, Jiang Y, Wang Y Z and Jing H 2017 Photonics Res. 5 367 [92] Li B, Özdemir Ş K, Xu X W, Zhang L, Kuang L M and Jing H 2021 Phys. Rev. A 103 053522 [93] Xu Y, Liu J Y, Liu W and Xiao Y F 2021 Phys. Rev. A 103 053501 [94] Jiang Y, Maayani S, Carmon T, Nori F and Jing H 2018 Phys. Rev. Applied 10 064037 [95] Li W A, Huang G Y, Chen J P and Chen Y 2020 Phys. Rev. A 102 033526 [96] Cao Q T, Wang H, Dong C H, Jing H, Liu R S, Chen X, Ge L, Gong Q and Xiao Y F 2017 Phys. Rev. Lett. 118 033901 [97] Del Bino L, Silver J M, Stebbings S L and Del’Haye P 2017 Sci. Rep. 7 43142 [98] Cao Q T, Liu R, Wang H, Lu Y K, Qiu C W, Rotter S, Gong Q and Xiao Y F 2020 Nat. Commun. 11 1136 [99] Lumer Y, Plotnik Y, Rechtsman M C and Segev M 2013 Phys. Rev. Lett. 111 263901 [100] Huet V, Rasoloniaina A, Guillemé P, Rochard P, Féron P, Mortier M, Levenson A, Bencheikh K, Yacomotti A and Dumeige Y 2016 Phys. Rev. Lett. 116 133902 [101] Shen Z, Dong C H, Chen Y, Xiao Y F, Sun F W and Guo G C 2016 Opt. Lett. 41 1249 [102] Brasch V, Geiselmann M, Herr T, Lihachev G, Pfeiffer M H P, Gorodetsky M L and Kippenberg T J 2016 Science 351 357 [103] Malykin G B 2000 Phys.-Usp. 43 1229 [104] Li T, Gao Z and Xia K 2021 Opt. Express 29 17613 [105] Ramezanpour S and Bogdanov A 2021 Phys. Rev. A 103 043510 [106] Guo X, Zou C L, Jung H and Tang H X 2016 Phys. Rev. Lett. 117 123902 [107] Aspelmeyer M, Kippenberg T J and Marquardt F 2014 Rev. Mod. Phys. 86 1391 [108] Thompson J D, Tiecke T G, de Leon N P, Feist J, Akimov A V, Gullans M, Zibrov A S, Vuletić V and Lukin M D 2013 Science 340 1202 [109] Silver J M, Bino L D, Woodley M T M, Ghalanos G N, Svela A Ø, Moroney N, Zhang S, Grattan K T V and Del’Haye P 2021 Optica 8 1219 |