[1] Picqué, N. & Hänsch, T. W. Frequency comb spectroscopy. Nature Photonics 13, 146-157 (2019). doi: 10.1038/s41566-018-0347-5
[2] Coddington, I., Newbury, N. & Swann, W. Dual-comb spectroscopy. Optica 3, 414-426 (2016). doi: 10.1364/OPTICA.3.000414
[3] Xu, B. X. et al. Near-ultraviolet photon-counting dual-comb spectroscopy. Nature 627, 289-294 (2024). doi: 10.1038/s41586-024-07094-9
[4] Bao, C. Y. et al. Architecture for microcomb-based GHz-mid-infrared dual-comb spectroscopy. Nature Communications 12, 6573 (2021). doi: 10.1038/s41467-021-26958-6
[5] Hoghooghi, N. et al. GHz repetition rate mid-infrared frequency comb spectroscopy of fast chemical reactions. Optica 11, 876-882 (2024). doi: 10.1364/OPTICA.521655
[6] Han, J. J. et al. Dual-comb spectroscopy over a 100 km open-air path. Nature Photonics 18, 1195-1202 (2024). doi: 10.1038/s41566-024-01525-9
[7] Long, D. A. et al. Nanosecond time-resolved dual-comb absorption spectroscopy. Nature Photonics 18, 127-131 (2024). doi: 10.1038/s41566-023-01316-8
[8] Herman, D. I. et al. Squeezed dual-comb spectroscopy. Science 387, 653-658 (2025). doi: 10.1126/science.ads6292
[9] Chang, P. et al. Mid-infrared hyperspectral microscopy with broadband 1-GHz dual frequency combs. APL Photonics 9, 106111 (2024). doi: 10.1063/5.0225616
[10] Hoghooghi, N. , Cole, R. K. & Rieker, G. B. 11-μs time-resolved, continuous dual-comb spectroscopy with spectrally filtered mode-locked frequency combs. Applied Physics B 127, 17 (2021).
[11] Yang, R. A. et al. A GHz fiber comb on silica. Print at https://arxiv.org/abs/2503.16249 (2025).
[12] Bao, C. Y., Suh, M. G. & Vahala, K. Microresonator soliton dual-comb imaging. Optica 6, 1110-1116 (2019). doi: 10.1364/OPTICA.6.001110
[13] Liao, R. Y. et al. Dual-comb generation from a single laser source: principles and spectroscopic applications towards mid-IR—A review. Journal of Physics: Photonics 2, 042006 (2020). doi: 10.1088/2515-7647/aba66e
[14] Zhao, X. et al. Polarization-multiplexed, dual-comb all-fiber mode-locked laser. Photonics Research 6, 853-857 (2018). doi: 10.1364/PRJ.6.000853
[15] Zhao, X. et al. Picometer-resolution dual-comb spectroscopy with a free-running fiber laser. Optics Express 24, 21833-21845 (2016). doi: 10.1364/OE.24.021833
[16] Nakjima, Y., Hata, Y. & Minoshima, K. High-coherence ultra-broadband bidirectional dual-comb fiber laser. Optics Express 27, 5931-5944 (2019). doi: 10.1364/OE.27.005931
[17] Pupeikis, J. et al. Spatially multiplexed single-cavity dual-comb laser. Optica 9, 713-716 (2022). doi: 10.1364/OPTICA.457787
[18] Link, S. M. et al. Dual-comb spectroscopy of water vapor with a free-running semiconductor disk laser. Science 356, 1164-1168 (2017). doi: 10.1126/science.aam7424
[19] Ling, L. et al. Practical GHz single-cavity all-fiber dual-comb laser for high-speed spectroscopy. Light: Science & Applications 14, 133 (2025).
[20] Zhao, K. J. et al. Free-running dual-comb fiber laser mode-locked by nonlinear multimode interference. Optics Letters 44, 4323-4326 (2019). doi: 10.1364/OL.44.004323