[1] I. Coddington, N. Newbury, W. Swann. Dual-comb spectroscopy. Optica, 3, 414-426(2016).

[2] L. C. Sinclair, I. Coddington, W. C. Swann, G. B. Rieker, A. Hati, K. Iwakuni, N. R. Newbury. Operation of an optically coherent frequency comb outside the metrology lab. Opt. Express, 22, 6996-7006(2014).

[3] J. Roy, J.-D. Deschênes, S. Potvin, J. Genest. Continuous real-time correction and averaging for frequency comb interferometry. Opt. Express, 20, 21932-21939(2012).

[4] T. Ideguchi, A. Poisson, G. Guelachvili, N. Picqué, T. W. Hänsch. Adaptive real-time dual-comb spectroscopy. Nat. Commun., 5, 3375(2014).

[5] Y. Jin, S. M. Cristescu, F. J. Harren, J. Mandon. Two-crystal mid-infrared optical parametric oscillator for absorption and dispersion dual-comb spectroscopy. Opt. Lett., 39, 3270-3273(2014).

[6] N. B. Hébert, J. Genest, J.-D. Deschênes, H. Bergeron, G. Y. Chen, C. Khurmi, D. G. Lancaster. Self-corrected chip-based dual-comb spectrometer. Opt. Express, 25, 8168-8179(2017).

[7] A. Dutt, C. Joshi, X. Ji, J. Cardenas, Y. Okawachi, K. Luke, A. L. Gaeta, M. Lipson. On-chip dual-comb source for spectroscopy. Sci. Adv., 4, e1701858(2018).

[8] G. Millot, S. Pitois, M. Yan, T. Hovhannisyan, A. Bendahmane, T. W. Hänsch, N. Picqué. Frequency-agile dual-comb spectroscopy. Nat. Photonics, 10, 27-30(2016).

[9] X. Zhao, Z. Zheng, L. Liu, Y. Liu, Y. Jiang, X. Yang, J. Zhu. Switchable, dual-wavelength passively mode-locked ultrafast fiber laser based on a single-wall carbon nanotube modelocker and intracavity loss tuning. Opt. Express, 19, 1168-1173(2011).

[10] S. Mehravar, R. A. Norwood, N. Peyghambarian, K. Kieu. Real-time dual-comb spectroscopy with a free-running bidirectionally mode-locked fiber laser. Appl. Phys. Lett., 108, 231104(2016).

[11] X. Zhao, Z. Zheng, Y. Liu, G. Hu, J. Liu. Dual-wavelength, bidirectional single-wall carbon nanotube mode-locked fiber laser. IEEE Photon. Technol. Lett., 26, 1722-1725(2014).

[12] J. Hongbo, Y. Wang, S. Y. Set, S. Yamashita. Bidirectional mode-locked soliton fiber laser in 2  μm using CNT saturable absorber. Laser Congress (ASSL, LAC), JM5A.21(2017).

[13] Y. Liu, X. Zhao, G. Hu, C. Li, B. Zhao, Z. Zheng. Unidirectional, dual-comb lasing under multiple pulse formation mechanisms in a passively mode-locked fiber ring laser. Opt. Express, 24, 21392-21398(2016).

[14] T. Ideguchi, T. Nakamura, Y. Kobayashi, K. Goda. Kerr-lens mode-locked bidirectional dual-comb ring laser for broadband dual-comb spectroscopy. Optica, 3, 748-753(2016).

[15] Q.-F. Yang, X. Yi, K. Y. Yang, K. Vahala. Counter-propagating solitons in microresonators. Nat. Photonics, 11, 560-564(2017).

[16] S. Link, D. Maas, D. Waldburger, U. Keller. Dual-comb spectroscopy of water vapor with a free-running semiconductor disk laser. Science, 356, 1164-1168(2017).

[17] X. Zhao, Z. Zheng, L. Liu, Q. Wang, H. Chen, J. Liu. Fast, long-scan-range pump-probe measurement based on asynchronous sampling using a dual-wavelength mode-locked fiber laser. Opt. Express, 20, 25584-25589(2012).

[18] B. Lin, X. Zhao, M. He, Y. Pan, J. Chen, S. Cao, Y. Lin, Q. Wang, Z. Zheng, Z. Fang. Dual-comb absolute distance measurement based on a dual-wavelength passively mode-locked laser. IEEE Photon. J., 9, 7106508(2017).

[19] M.-G. Suh, K. J. Vahala. Soliton microcomb range measurement. Science, 359, 884-887(2018).

[20] X. Zhao, G. Hu, B. Zhao, C. Li, Y. Pan, Y. Liu, T. Yasui, Z. Zheng. Picometer-resolution dual-comb spectroscopy with a free-running fiber laser. Opt. Express, 24, 21833-21845(2016).

[21] G. Hu, T. Mizuguchi, X. Zhao, T. Minamikawa, T. Mizuno, Y. Yang, C. Li, M. Bai, Z. Zheng, T. Yasui. Measurement of absolute frequency of continuous-wave terahertz radiation in real time using a free-running, dual-wavelength mode-locked, erbium-doped fibre laser. Sci. Rep., 7, 42082(2017).

[22] Z. Gong, X. Zhao, G. Hu, J. Liu, Z. Zheng. Polarization multiplexed, dual-frequency ultrashort pulse generation by a birefringent mode-locked fiber laser. Conference on Lasers and Electro-Optics (CLEO), JTh2A.20(2014).

[23] A. E. Akosman, M. Y. Sander. Dual comb generation from a mode-locked fiber laser with orthogonally polarized interlaced pulses. Opt. Express, 25, 18592-18602(2017).

[24] S. T. Cundiff, B. C. Collings, N. N. Akhmediev, J. M. Soto-Crespo, K. Bergman, W. H. Knox. Observation of polarization-locked vector solitons in an optical fiber. Phys. Rev. Lett., 82, 3988-3991(1999).

[25] B. C. Collings, S. T. Cundiff, N. N. Akhmediev, J. M. Soto-Crespo, K. Bergman, W. H. Knox. Polarization-locked temporal vector solitons in a fiber laser: experiment. J. Opt. Soc. Am. B, 17, 354-365(2000).

[26] L. M. Zhao, D. Y. Tang, H. Zhang, X. Wu. Polarization rotation locking of vector solitons in a fiber ring laser. Opt. Express, 16, 10053-10058(2008).

[27] H. Zhang, D. Y. Tang, L. M. Zhao, X. Wu, H. Y. Tam. Dissipative vector solitons in a dispersion-managed cavity fiber laser with net positive cavity dispersion. Opt. Express, 17, 455-460(2009).