[1] W Hänsch T. Review of Modern Physics, 78, 1297(2006).
[2] W Hansch T, R Holzwarth, T Udem. Nature, 416, 233(2002).
[3] A Elzinga P, N Jian Y, E Lytle F et al. Applied Spectroscopy, 41, 2(1987).
[4] J Fiechtner G, B King G, M Laurendeau N et al. Applied Optics, 34, 1108(1995).
[5] J Chen, J Yao Z, X Zhao et al. Optics Express, 27, 11406(2019).
[6] E Baumann, R Giorgetta F, C Swann W et al. Physical Review Letters, 84, 062513(2011).
[7] P Guay, N B Hébert, A Tourigny-Plante et al. Applied Optics, 59, B35(2020).
[8] T Friedlein J, R Giorgetta F, G Ycas et al. Optics Express, 28, 14740(2020).
[9] I Coddington, L Nenadovic, C Swann W et al. Nature Photonics, 3, 351(2009).
[10] I Coddington, A Liu T, R Newbury N et al. Optics Express, 19, 18501(2011).
[11] Z He M, K Lin B, X Zhao et al. IEEE Photonics Journal, 9, 7106508(2017).
[13] L Liu, X Zhao, Z Zheng et al. Optics Express, 20, 25584(2012).
[14] G Guelachvili, T Ideguchi, A Poisson et al. Nature Communications, 5, 3375(2014).
[15] M Cassinerio, N Coluccelli, A Gambettaa et al. Applied Physics Letter, 104, 231102(2014).
[16] S Jang Y, J Lee, K Lee et al. Scientific Reports, 5, 15726(2015).
[17] D Kwon, W Li B, J Xing et al. Optica, 7, 961(2020).
[18] H Arai, I Morichika, D Okazaki et al. Optics Express, 28, 19997(2020).
[19] V Torres-Company, M Weiner A. Laser & Photonics Review, 8, 368(2014).
[20] L Deniel, P Galacho D, E Weckenmann et al. Optics Express, 28, 10888(2020).
[21] O Arcizet, P Del’Haye, A Schliesser et al. Nature, 450, 1214(2007).
[22] G Griffith A, Y Okawachi, J Yu M et al. Nature Communications, 9, 1869(2018).
[23] P Luo A, C Luo Z, C Xu W et al. IEEE Photonics Journal, 2, 571(2010).
[24] L Liu, X Zhao, Z Zheng et al. Optics Express, 19, 1168(2011).
[25] Q Hu G, X Zhao, F Zhao B et al. Optics Express, 24, 21833(2016).
[26] X Luo, S Than S, T Tong H et al. Optics Express, 27, 14635(2019).
[27] K Cui Z, G Sun X, J Zhu Y et al. Optics Express, 28, 27250(2020).
[28] J Chen, L Wang R, L Zhang T et al. Dual-Wavelength, Dual-Comb Fiber Laser Based on a Nearly-Adiabatic Fiber-Taper Filter, Frontiers in Optics, JTh2A, 112(2016).
[29] X Luo, S Saini T, H Tuan T et al. Optics Communications, 463, 125457(2020).
[30] M Li R, S Shi H, J Song Y et al. Nanotechnology and Precision Engineering, 1, 205(2018).
[31] Z Gong, Q Hu G, X Zhao et al. Polarization Multiplexed, Dual-Frequency Ultrashort Pulse Generation by a Birefringent Mode-Locked Fiber Laser, Conference on Lasers and Electro-Optics, JTh2A, 20(2014).
[32] Y Liu, X Zhao, F Zhao B et al. High-Resolution, Dual-Comb Spectroscopy Enabled by a Polarization-Multiplexed, Dual-Comb Femtosecond Fiber Laser, Conference on Lasers and Electro-Optics, AM4K, 5(2016).
[33] T Li, Y Liu, X Zhao et al. Photonics Research, 6, 853(2018).
[34] W Kaszub, A Przewloka, A Sterczewski L et al. APL Photonics, 4, 116102(2019).
[35] Y Hata, K Minoshima, Y Nakajima. Optics Express, 27, 14648(2019).
[36] M Golling, M Link S, M Mangold et al. Gigahertz Dual-Comb Modelocked Diode-Pumped Semiconductor and Soild-State Lasers, Proceedings of SPIE, 9734(2016).
[37] V Kovalev A, V Uskov A, V Vitkin V et al. Dual Comb Mode-Locked Laser: Design and Stabilization, Progress in Electromagnetics Research Symposium-Spring, 1135(2017).
[38] T Chang M, C Liang H, W Su K et al. Optics Express, 23, 10111(2015).
[39] C Liang H, S Wu C. Optics Express, 25, 13697(2017).
[40] K Kieu, M Mansuripur. Optics Letters, 33, 64(2008).
[41] S Mehravar, A Norwood R, N Peyghambarian et al. Applied Physics Letters, 108, 231104(2016).
[42] Y Liu, X Zhao, Z Zheng et al. IEEE Photonics Technology Letters, 26, 1722(2014).
[43] Q Hu G, L Pan Y, X Zhao et al. Optics Letters, 42, 4942(2017).
[44] Y Hata, K Minoshima, Y Nakajima. Optics Express, 27, 5931(2019).
[45] Q Hu G, Y Liu, X Zhao et al. Optics Express, 24, 21392(2016).
[46] Y Liu, S Liu J, X Zhao et al. Optics Express, 22, 21012(2014).
[47] W Bai, R Wang, X Zhao et al. Polarization-Maintaining, Dual-Wavelength, Dual-Comb Mode-Locked Fiber Laser, Conference on Lasers and Electro-Optics, JTh2A, 139(2018).
[48] M Li R, S Shi H, C Tian H et al. Optics Express, 26, 28302(2018).
[49] J Fellinger, S Mayer A, G Winkleret et al. Optics Express, 27, 28062(2019).
[50] F Ellrich, M Kolano, D Molter et al. All-Polarization-Maintaining, Polarization-Multiplexed, Dual-Frequency, Mode-Locked Fiber Laser, Conference on Lasers and Electro-Optics, AM2J, 3(2016).
[51] S Saito, Y Sakakibara, M Yamanaka et al. Optics Express, 27, 17868(2019).
[52] I Coddington, R Newbury N, C Swann W. Physical Review, 82, 043817(2010).
[53] J Genest, S Potvin et al. Optics Express, 21, 30707(2013).
[55] B Bernhardt, P Jacquet, E Sorokin et al. Applied Physics B, 100, 3(2010).
[56] M Cristescu S, F J M Harren, W Jin Y et al. Applied Physics B, 119, 65(2015).
[57] A Andreas, V Gustavo, B Stephane et al. Nature Comunications, 5, 5192(2014).
[58] D Hsieh Y, Y Iyonaga, T Yasui et al. Optica, 2, 460(2015).
[59] S Mehravar, A Norwood R, N Peyghambarian et al. Applied Physics Letter, 108, 231104(2016).
[60] D Deschênes J, J Genest, B Hébert N et al. Optics Express, 25, 8168(2017).
[61] Y Liao R, W Liu, J Song Y et al. Optics Express, 26, 11046(2018).
[62] J Chen, J Yao Z, X Zhao et al. Optics Express, 27, 11406(2019).
[63] Q Hu G, T Mizuguchi, R Oe et al. Scientific Reports, 8, 11155(2018).
[64] J Chen, K Nitta, X Zhao et al. Advanced Photonics, 2, 036005(2020).
