[1] L. G.Wright, W. H.Renninger, D. N.Christodoulides, and F. W.Wise, Opt. Express23, 3492 (2015).10.1364/OE.23.003492

[2] L. G.Wright, Z.Liu, D. A.Nolan, M. J.Li, D. N.Christodoulides, and F. W.Wise, Nat. Photonics10, 771 (2016).

[3] L. G.Wright, D. N.Christodoulides, and F. W.Wise, Nat. Photonics9, 306 (2015).10.1038/nphoton.2015.61

[4] K.Krupa, A.Tonello, B. M.Shalaby, M.Fabert, A.Barthelemy, G.Millot, S.Wabnitz, and V.Couderc, Nat. Photonics11, 237 (2017).

[5] A.Fusaro, J.Garnier, K.Krupa, G.Millot, and A.Picozzi, Phys. Rev. Lett.122, 123902 (2019).

[6] L. G.Wright, D. N.Christodoulides, and F. W.Wise, Science358, 94 (2017).10.1126/science.aao0831

[7] L. G.Wright, P.Sidorenko, H.Pourbeyram, Z. M.Ziegler, A.Isichenko, B. A.Malomed, C. R.Menyuk, D. N.Christodoulides, and F. W.Wise, Nat. Phys.16, 565 (2020).

[8] A.Hasegawa and F.Tappert, Appl. Phys. Lett.23, 142 (1973).

[9] T.Mayteevarunyoo, B. A.Malomed, and D. V.Skryabin, Opt. Express27, 37364 (2019).

[10] H.Qin, X.Xiao, P.Wang, and C.Yang, Opt. Lett.43, 1982 (2018).

[11] Y.Ding, X.Xiao, P.Wang, and C.Yang, Opt. Express27, 11435 (2019).

[12] U.Tegin, E.Kakkava, B.Rahmani, D.Psaltis, and C.Moser, Optica6, 1412 (2019).

[13] U.Tegin, E.Kakkava, B.Rahmani, D.Psaltis, and C.Moser, in Conference on Lasers and Electro-Optics (CLEO) (2020), paper SM4P.1.

[14] H.Haig, P.Sidorenko, A.Dhar, N.Choudhury, R.Sen, D. N.Christodoulides, and F. W.Wise, Opt. Lett.47, 46 (2022).

[15] Y.Wu, D. N.Christodoulides, and F. W.Wise. Opt. Lett.47, 4439 (2022).

[16] B.Cao, C.Gao, Y.Ding, X.Xiao, C.Yang, and C. Bao. Opt. Lett.47, 4584 (2022).

[17] C.Wei, X.Zhu, R. A.Norwood, and N.Peyghambarian, Opt. Lett.37, 3849 (2012).

[18] Z.Qin, G.Xie, C.Zhao, S.Wen, P.Yuan, and L.Qian, Opt. Lett.41, 56 (2016).

[19] Z.Qin, T.Hai, G.Xie, J.Ma, P.Yuan, L.Qian, L.Li, L.Zhao, and D.Shen, Opt. Express26, 8224 (2018).

[20] J.Ma, Z.Qin, G.Xie, L.Qian, and D.Tang, Appl. Phys. Rev.6, 021317 (2019).

[21] C. R.Petersen, U.Møller, I.Kubat, B.Zhou, S.Dupont, J.Ramsay, T.Benson, S.Sujecki, N.Abdel-Moneim, Z.Tang, D.Furniss, A.Seddon, and O.Bang, Nat. Photonics8, 830 (2014).

[22] F.Tittel, D.Richter, and A.Fried, in Solid-State Mid-Infrared Laser Sources, Topics in Applied Physics (Springer, 2003), p. 458.

[23] S.Amini-Nik, D.Kraemer, M. L.Cowan, K.Gunaratne, P.Nadesan, B. A.Alman, and R. J. D.Miller, PLoS ONE5, e13053 (2010).

[24] A. H.Nejadmalayeri, P. R.Herman, J.Burghoff, M.Will, S.Nolte, and A.Tünnermann, Opt. Lett.30, 964 (2005).

[25] S.Duval, M.Bernier, V.Fortin, J.Genest, M.Piche, and R.Vallee, Optica2, 623 (2015).

[26] T.Hu, S. D.Jackson, and D. D.Hudson, Opt. Lett.40, 4226 (2015).

[27] S.Antipov, D. D.Hudson, A.Fuerbach, and S. D.Jackson, Optica3, 1373 (2016).

[28] H.Gu, Z.Qin, G.Xie, T.Hai, P.Yuan, J.Ma, and L.Qian, Chin. Opt. Lett.18, 031402 (2020).

[29] L.Yu, J.Liang, S.Huang, J. Z.Wang, J. C.Wang, X.Luo, P.Yan, F.Dong, X.Liu, Q.Lue, C.Guo, and S.Ruan, Photonics Res.10, 2140 (2022).

[30] L.Yu, J.Liang, S.Huang, J.Wang, J.Wang, X.Luo, P.Yan, F.Dong, X.Liu, Q.Lue, C.Guo, and S.Ruan, Opt. Lett.47, 2562 (2022).

[31] Z.Qin, G.Xie, H.Gu, T.Hai, P.Yuan, J.Ma, and L.Qian, Adv. Photonics1, 065001 (2019).

[32] J.Huang, M.Pang, X.Jiang, F.Köttig, D.Schade, W.He, M.Butryn, and P. St. J.Russell, Optica7, 574 (2020).

[33] M.Hofer, M. E.Fermann, F.Haberl, M. H.Ober, and A. J.Schmidt, Opt. Lett.16, 502 (1991).

[34] W.Liu, R.Liao, J.Zhao, J.Cui, Y.Song, C.Wang, and M.Hu, Optica6, 194 (2019).