[1] P Del’Haye, A Schliesser, O Arcizet, et al. Optical frequency comb generation from a monolithic microresonator. Nature, 450, 1214-1217(2007).
[2] A L Gaeta, M Lipson, T J Kippenberg, et al. Photonic-chip-based frequency combs. Nature Photon, 13, 158-169(2019).
[3] A Kovach, D Y Chen, J H He, et al. Emerging material systems for integrated optical Kerr frequency combs. Advances in Optics and Photonics, 12, 135-222(2020).
[4] M Y Wang, L K Fan, L F Wu, et al. Research on Kerr optical frequency comb generation based on MgF2 crystalline microresonator with ultra-high-
[5] X X Xue, Y Xu, P H Wang, et al. Normal-dispersion microcombs enabled by controllable mode interactions. Laser & Photonics Reviews, 9, L23-L28(2015).
[6] M J Yu, Y Okawachi, A G Griffith, et al. Modelocked mid-infrared frequency combs in a silicon microresonator. Optica, 3, 854-860(2016).
[7] H Z Weng, J Liu, A A Afridi, et al. Octave-spanning Kerr frequency comb generation with stimulated Raman scattering in an AlN microresonator. Optics Letters, 46, 540-543(2021).
[8] C Wang, M Zhang, M J Yu, et al. Monolithic lithium niobate photonic circuits for Kerr frequency comb generation and modulation. Nature Communications, 10, 978(2019).
[9] L Chang, W Q Xie, H W Shu, et al. Ultra-efficient frequency comb generation in AlGaAs-on-insulator microresonators. Nature Communications, 11, 1313(2020).
[10] H J Chen, Q X Ji, H M Wang, et al. Chaos-assisted two-octave-spanning microcombs. Nature Communications, 11, 2336(2020).
[11] G Moille, Q Li, T C Briles, et al. Broadband resonator-waveguide coupling for efficient extraction of octave spanning microcombs. Optics Letters, 44, 4737-4740(2019).
[12] N Kuse, T Tetsumoto, G Navickaite, et al. Continuous scanning of a dissipative Kerr microresonator soliton comb for broadband, high resolution spectroscopy. Optics Letters, 45, 927-930(2020).
[13] Chen Haojing, Xiao Yunfeng. Applications of integrated microresonator-based optical frequency combs in precision measurement. Infrared and Laser Engineering, 50, 20210560(2021).
[14] M H P Pfeiffer, C Herkommer, J Q Liu, et al. Octave-spanning dissipative Kerr soliton frequency combs in Si3N4 microresonators. Optica, 4, 684-691(2017).
[15] Q Li, T C Briles, D A Westly, et al. Stably accessing octave-spanning microresonator frequency combs in the soliton regime. Optica, 4, 193-203(2017).
[16] V Brasch, M Geiselmann, T Herr, et al. Photonic chip-based optical frequency comb using soliton Cherenkov radiation. Science, 351, 357-360(2015).
[17] C Joshi, J K Jang, K Luke, et al. Thermally controlled comb generation and soliton modelocking in microresonators. Optics Letters, 41, 2565-2568(2016).
[18] S Wan, R Niu, Z Y Wang, et al. Frequency stabilization and tuning of breathing solitons in Si3N4 microresonators. Photonics Research, 8, 1342-1349(2020).
[19] H Z Weng, A A Afridi, J Liu, et al. Near-octave-spanning breathing soliton crystal in an AlN microresonator. Optics Letters, 46, 3436-3439(2021).
[20] X W Liu, Z Gong, A W Bruch, et al. Aluminum nitride nanophotonics for beyond-octave soliton microcomb generation and self-referencing. Nature Communications, 12, 1-7(2021).
[21] H Z Weng, A A Afridi, J Li, et al. Dual-mode microresonators as straightforward access to octave-spanning dissipative Kerr solitons. arXiv, 2202.09786(2022).
[22] H Z Weng, J Liu, A A Afridi, et al. Directly accessing octave spanning dissipative Kerr soliton frequency combs in an AlN microresonator. Photonics Research, 9, 1351-1357(2021).
[23] J Liu, H Z Weng, A A Afridi, et al. Photolithography allows high-
[24] X Yi, Q F Yang, K Y Yang, et al. Theory and measurement of the soliton self-frequency shift and efficiency in optical microcavities. Optics Letters, 41, 3419-3422(2016).