[1] C. M. Jewart, Q. Wang, J. Canning, D. Grobnic, S. J. Mihailov, K. P. Chen. Ultrafast femtosecond-laser-induced fiber Bragg gratings in air hole microstructured fibers for high-temperature pressure sensing. Opt. Lett., 35, 1443(2010).

[2] S.-W. Huang, G. Cirmi, J. Moses, K.-H. Hong, S. Bhardwaj, J. R. Birge, L.-J. Chen, E. Li, B. J. Eggleton, G. Cerullo, F. X. Kärtner. High-energy pulse synthesis with sub-cycle waveform control for strong-field physics. Nat. Photonics, 5, 475(2011).

[3] O. D. Mücke. Isolated high-order harmonics pulse from two-color-driven Bloch oscillations in bulk semiconductors. Phys. Rev. B, 84, 081202(2011).

[4] Y. Jia, L. Guo, S. Hu, X. Jia, D. Fan, R. Lu, S. Han, J. Chen. Time-energy analysis of the photoionization process in a double-XUV pulse combined with a few-cycle IR field. Chin. Opt. Lett., 19, 123201(2021).

[5] C. Spielmann, N. H. Burnett, S. Sartania, R. Koppitsch, M. Schnürer, C. Kan, M. Lenzner, P. Wobrauschek, F. Krausz. Generation of coherent X-rays in the water window using 5-femtosecond laser pulses. Science, 278, 661(1997).

[6] A. J. Lind, A. Kowligy, H. Timmers, F. C. Cruz, N. Nader, M. C. Silfies, T. K. Allison, S. A. Diddams. Mid-infrared frequency comb generation and spectroscopy with few-cycle pulses and χ (2) nonlinear optics. Phys. Rev. Lett., 124, 133904(2020).

[7] J. W. Nicholson, J. Jasapara, W. Rudolph, F. G. Omenetto, A. J. Taylor. Full-field characterization of femtosecond pulses by spectrum and cross-correlation measurements. Opt. Lett., 24, 1774(1999).

[8] Z. Si, X. Shen, J. Zhu, L. Lin, L. Bai, J. Liu. All-reflective self-referenced spectral interferometry for single-shot measurement of few-cycle femtosecond pulses in a broadband spectral range. Chin. Opt. Lett., 18, 021202(2020).

[9] Z. Zhang, J. Tian, C. Xu, R. Xu, Y. Cui, B. Zhuang, Y. Song. Noise-like pulse with a 690 fs pedestal generated from a nonlinear Yb-doped fiber amplification system. Chin. Opt. Lett., 18, 121403(2020).

[10] M. Seo, K. Tsendsuren, S. Mitra, M. Kling, D. Kim. High-contrast, intense single-cycle pulses from an all thin-solid-plate setup. Opt. Lett., 45, 367(2020).

[11] M. Kaumanns, V. Pervak, D. Kormin, V. Leshchenko, A. Kessel, M. Ueffing, Y. Chen, T. Nubbemeyer. Multipass spectral broadening of 18 mJ pulses compressible from 13 ps to 41 fs. Opt. Lett., 43, 5877(2018).

[12] J. Song, Z. Wang, X. Wang, R. Lü, H. Teng, J. Zhu, Z. Wei. Generation of 601 fs pulse from an 8 kHz Nd:YVO4 picosecond laser by multi-pass-cell spectral broadening. Chin. Opt. Lett., 19, 093201(2021).

[13] S. Bohman, A. Suda, T. Kanai, S. Yamaguchi, K. Midorikawa. Generation of 5.0 fs, 5.0 mJ pulses at 1 kHz using hollow-fiber pulse compression. Opt. Lett., 35, 1887(2010).

[14] R. Ell, U. Morgner, F. X. Kärtner, J. G. Fujimoto, E. P. Ippen, V. Scheuer, G. Angelow, T. Tschudi, M. J. Lederer, A. Boiko, B. Luther-Davies. Generation of 5-fs pulses and octave-spanning spectra directly from a Ti:sapphire laser. Opt. Lett., 26, 373(2001).

[15] R. A. McCracken, D. T. Reid. Few-cycle near-infrared pulses from a degenerate 1 GHz optical parametric oscillator. Opt. Lett., 40, 4102(2015).

[16] Z. Hong, Q. Zhang, S. A. Rezvani, P. Lan, P. Lu. Tunable few-cycle pulses from a dual-chirped optical parametric amplifier pumped by broadband laser. Opt. Laser Technol., 98, 169(2018).

[17] C. Ma, A. Khanolkar, Y. Zang, A. Chong. Ultrabroadband, few-cycle pulses directly from a Mamyshev fiber oscillator. Photonics Res., 8, 65(2020).

[18] A. Sell, G. Krauss, R. Scheu, R. Huber, A. Leitenstorfer. 8-fs pulses from a compact Er:fiber system: quantitative modeling and experimental implementation. Opt. Express, 17, 1070(2009).

[19] D. M. Lesko, H. Timmers, S. Xing, A. Kowligy, A. J. Lind, S. A. Diddams. A six-octave optical frequency comb from a scalable few-cycle erbium fibre laser. Nat. Photonics, 15, 281(2021).

[20] C. Finot, B. Kibler, L. Provost, S. Wabnitz. Beneficial impact of wave-breaking for coherent continuum formation in normally dispersive nonlinear fibers. J. Opt. Soc. Am. B, 25, 1938(2008).

[21] L. E. Hooper, P. J. Mosley, A. C. Muir, W. J. Wadsworth, J. C. Knight. Coherent supercontinuum generation in photonic crystal fiber with all-normal group velocity dispersion. Opt. Express, 19, 4902(2011).

[22] H. Kong, J. Bian, J. Yao, Q. Ye, X. Sun. Temperature tuning of BaGa4Se7 optical parametric oscillator. Chin. Opt. Lett., 19, 021901(2021).

[23] J. Song, X. Meng, Z. Wang, X. Wang, W. Tian, J. Zhu, S. Fang, H. Teng, Z. Wei. Harmonically pump a femtosecond optical parametric oscillator to 1.13 GHz by a femtosecond 515 nm laser. Chin. Opt. Lett., 18, 033201(2020).

[24] P. Ciąćka, A. Rampur, A. Heidt, T. Feurer, M. Klimczak. Dispersion measurement of ultra-high numerical aperture fibers covering thulium, holmium, and erbium emission wavelengths. J. Opt. Soc. Am. B, 35, 1301(2018).

[25] . Corning SMF-28e+ optical fiber product information(2022).

[26] J. M. Dudley, J. R. Taylor. Supercontinuum Generation in Optical Fibers(2010).

[27] S. Wang, B. Liu, M. Hu, C. Wang. On the efficiency of parabolic self-similar pulse evolution in fiber amplifiers with gain shaping. J. Lightwave Technol., 34, 3023(2016).