Experimental study of mode distortion induced by stimulated Raman scattering in high-power fiber amplifiers

Qiuhui Chu; Qiang Shu; Zeng Chen; Fengyun Li; Donglin Yan; Chao Guo; Honghuan Lin; Jianjun Wang; Feng Jing; Chuanxiang Tang; Rumao Tao

doi:10.1364/PRJ.383551

[1] M. Zervas, C. Codemard. High power fiber lasers: a review. IEEE J. Sel. Top. Quantum Electron., 20, 219-241(2014).

[2] Z. Liu, X. Jin, R. Su, P. Ma, P. Zhou. Development status of high power fiber lasers and their coherent beam combination. Sci. China Inf. Sci., 62, 41301(2019).

[3] W. Shi, Q. Fang, X. Zhu, R. A. Norwood, N. Peyghambarian. Fiber lasers and their applications [invited]. Appl. Opt., 53, 6554-6568(2014).

[4] Y. Wang, G. Chen, J. Li. Development and prospect of high-power doped fibers. High Power Laser Sci. Eng., 6, e40(2018).

[5] Q. Fang, J. Li, W. Shi, Y. Qin, Y. Xu, X. Meng, R. A. Norwood, N. Peyghambarian. 5 kW near-diffraction-limited and 8 kW high-brightness monolithic continuous wave fiber lasers directly pumped by laser diodes. IEEE Photon. J., 9, 1506107(2017).

[6] F. Mäller, R. Krömer, C. Matzdorf, S. Nolte, M. Strecker, F. Stutzki, M. Plätner, V. Bock, T. Schreiber, A. Tünnermann. Comparison between bidirectional pumped Yb-doped all-fiber single-mode amplifier and oscillator setup up to a power level of 5 kW. Advanced Solid-State Lasers Congress, AM2A.3(2018).

[7] C. Jauregui, J. Limpert, A. Tünnermann. High-power fibre lasers. Nat. Photonics, 7, 861-867(2013).

[8] F. Mäller, R. Krömer, C. Matzdorf, M. Strecker, M. Plätner, F. Stutzki, T. Walbaum, T. Schreiber, R. Eberhardt, S. Nolte, A. Tünnermann. Multi-kW performance analysis of Yb-doped monolithic single-mode amplifier and oscillator setup. Proc. SPIE, 10897, 108970D(2019).

[9] H. Zhang, P. Zhou, H. Xiao, J. Leng, R. Tao, X. Wang, J. Xu, X. Xiaojun, Z. Liu. Toward high-power nonlinear fiber amplifier. High Power Laser Sci. Eng., 6, e51(2018).

[10] H. Zhang, H. Xiao, P. Zhou, X. Wang, X. Xu. High power Yb-Raman combined nonlinear fiber amplifier. Opt. Express, 22, 10248-10255(2014).

[11] L. Zhang, H. Jiang, S. Cui, Y. Feng. Integrated ytterbium-Raman fiber amplifier. Opt. Lett., 39, 1933-1936(2014).

[12] P. Ma, H. Zhang, L. Huang, X. Wang, P. Zhou, Z. Liu. Kilowatt-level near-diffraction-limited and linear-polarized ytterbium-Raman hybrid nonlinear amplifier based on polarization selection loss mechanism. Opt. Express, 23, 26499-26508(2015).

[13] Q. Xiao, P. Yan, D. Li, J. Sun, X. Wang, Y. Huang, M. Gong. Bidirectional pumped high power Raman fiber laser. Opt. Express, 24, 6758-6768(2016).

[14] A. V. Smith, J. J. Smith. Mode instability in high power fiber amplifiers. Opt. Express, 19, 10180-10192(2011).

[15] B. Ward, C. Robin, I. Dajani. Origin of thermal modal instabilities in large mode area fiber amplifiers. Opt. Express, 20, 11407-11422(2012).

[16] H.-J. Otto, F. Stutzki, F. Jansen, T. Eidam, C. Jauregui, J. Limpert, A. Tünnermann. Temporal dynamics of mode instabilities in high-power fiber lasers and amplifiers. Opt. Express, 20, 15710-15722(2012).

[17] K. Hejaz, A. Norouzey, R. Poozesh, A. Heidariazar, A. Roohforouz, R. R. Nasirabad, N. T. Jafari, A. H. Golshan, A. Babazadeh, M. Lafouti. Controlling mode instability in a 500 W ytterbium-doped fiber laser. Laser Phys., 24, 025102(2014).

[18] M. Kuznetsov, O. Vershinin, V. Tyrtyshnyy, O. Antipov. Low-threshold mode instability in Yb³⁺-doped few-mode fiber amplifiers. Opt. Express, 22, 29714-29725(2014).

[19] K. R. Hansen, J. Lægsgaard. Impact of gain saturation on the mode instability threshold in high-power fiber amplifiers. Opt. Express, 22, 11267-11278(2014).

[20] M. Zervas. Power scaling limits in high power fiber amplifiers due to transverse mode instability, thermal lensing, and fiber mechanical reliability. Proc. SPIE, 10512, 1051205(2018).

[21] R. Tao, X. Wang, P. Zhou. Comprehensive theoretical study of mode instability in high-power fiber lasers by employing a universal model and its implications. IEEE J. Sel. Top. Quantum Electron., 24, 0903319(2018).

[22] K. Hejaz, M. Shayganmanesh, R. Rezaei-Nasirabad, A. Roohforouz, S. Azizi, A. Abedinajafi, V. Vatani. Modal instability induced by stimulated Raman scattering in high-power Yb-doped fiber amplifiers. Opt. Lett., 42, 5274-5277(2017).

[23] S. Naderi, I. Dajani, J. Grosek, T. Madden. Theoretical and numerical treatment of modal instability in high-power core and cladding-pumped Raman fiber amplifiers. Opt. Express, 24, 16550-16565(2016).

[24] H. Lin, R. Tao, C. Li, B. Wang, C. Guo, Q. Shu, P. Zhao, L. Xu, J. Wang, F. Jing, Q. Chu. 3.7 kW monolithic narrow linewidth single mode fiber laser through simultaneously suppressing nonlinear effects and mode instability. Opt. Express, 27, 9716-9724(2019).

[25] W. Liu, P. Ma, C. Shi, P. Zhou, Z. Jiang. Theoretical analysis of the SRS-induced mode distortion in large-mode area fiber amplifiers. Opt. Express, 26, 15793-15803(2018).

[26] M. Hu, W. Ke, Y. Yang, M. Lei, K. Liu, X. Chen, C. Zhao, Y. Qi, B. He, X. Wang, J. Zhou. Low threshold Raman effect in high power narrowband fiber amplifier. Chin. Opt. Lett., 14, 011901(2016).

[27] A. Liem, E. Freier, C. Matzdorf, V. Reichel, T. Schreiber, R. Eberhardt, A. Tünnermann. Experimental analysis of the influence of the spectral width of out-coupling fiber Bragg gratings to the amount of stimulated Raman scattering in a cw kW fiber oscillator. Advanced Solid-State Lasers Congress, JTh2A.32(2013).

[28] W. Liu, P. Ma, H. Lv, J. Xu, P. Zhou, Z. Jiang. General analysis of SRS-limited high-power fiber lasers and design strategy. Opt. Express, 24, 26715-26721(2016).

[29] R. Tao, P. Ma, X. Wang, P. Zhou, Z. Liu. Mitigating of modal instabilities in linearly-polarized fiber amplifiers by shifting pump wavelength. J. Opt., 17, 045504(2015).

[30] R. Tao, P. Ma, X. Wang, P. Zhou, Z. Liu. Theoretical study of pump power distribution on modal instabilities in high power fiber amplifiers. Laser Phys. Lett., 14, 025002(2016).

[31] K. Shima, S. Ikoma, K. Uchiyama, Y. Takubo, M. Kashiwagi, D. Tanaka. 5-kW single stage all-fiber Yb-doped single-mode fiber laser for materials processing. Proc. SPIE, 10512, 45-50(2018).

[32] L. Huang, L. Kong, J. Leng, P. Zhou, S. Guo, X. Cheng. Impact of high-order-mode loss on high-power fiber amplifiers. J. Opt. Soc. Am. B, 33, 1030-1037(2016).

[33] R. Tao, H. Xiao, H. Zhang, J. Leng, X. Wang, P. Zhou, X. Xu. Dynamic characteristics of stimulated Raman scattering in high power fiber amplifiers in the presence of mode instabilities. Opt. Express, 26, 25098-25110(2018).

[34] V. Scarnera, F. Ghiringhelli, A. Malinowski, C. A. Codemard, M. K. Durkin, M. N. Zervas. Modal instabilities in high power fiber laser oscillators. Opt. Express, 27, 4386-4403(2019).

[35] C. Shi, R. T. Su, H. W. Zhang, B. L. Yang, X. L. Wang, P. Zhou, X. J. Xu, Q. S. Lu. Experimental study of output characteristics of bi-directional pumping high power fiber amplifier in different pumping schemes. IEEE Photon. J., 9, 1502910(2017).

[36] Z. Li, C. Li, Y. Liu, Q. Luo, H. Lin, Z. Huang, S. Xu, Z. Yang, J. Wang, F. Jing. Impact of stimulated Raman scattering on the transverse mode instability threshold. IEEE Photon. J., 10, 1502709(2018).

[37] R. Tao, P. Ma, X. Wang, P. Zhou, Z. Liu. Comparison of the threshold of thermal-induced mode instabilities in polarization-maintaining and non-polarization-maintaining active fibers. J. Opt., 18, 065501(2016).

[38] R. Tao, P. Ma, X. Wang, P. Zhou, Z. Liu. 1.3 kW monolithic linearly polarized single-mode master oscillator power amplifier and strategies for mitigating mode instabilities. Photon. Res., 3, 86-93(2015).

[39] M. Lei, Y. Qi, C. Liu, Y. Yang, Y. Zheng, J. Zhou. Mode controlling study on narrow-linewidth and high power all-fiber amplifier. Proc. SPIE, 9543, 95431L(2015).