[1] H B ZHU, X C LIN, Y W ZHANG et al. kW-class fiber-coupled diode laser source based on dense spectral multiplexing of an ultra-narrow channel spacing. Optics Express, 26, 24723-24733(2018).

[2] H B ZHU, S L FAN, J ZHAO et al. Development and thermal management of kW-class high-power diode laser source based on the structure of two-stage combination. IEEE Photonics Journal, 11, 1-10(2019).

[3] X M DUAN, C P QIAN, Y J SHEN et al. Efficient Ho： （Sc₀₅Y₀₅）₂SiO₅ laser at 21 µm in-band pumped by Tm fiber laser. Optics Express, 27, 4522(2019).

[4] X M DUAN, J Z WU, R Q DOU et al. High-power actively Q-switched Ho-doped gadolinium tantalate laser. Optics Express, 29, 12471-12477(2021).

[5] H Y LU, S C TIAN, C Z TONG et al. Extracting more light for vertical emission： high power continuous wave operation of 1.3-μm quantum-dot photonic-crystal surface-emitting laser based on a flat band. Light： Science & Applications, 8, 108(2019).

[6] [6] 冯勇， 张文喜， 伍洲， 等. 半导体激光器电流调制实现短相干光源［J］. 光学 精密工程， 2021， 29（6）：1321-1328. doi: 10.37188/ope.20212906.1321FENGY， ZHANGW X， WUZH， et al. Short coherent light source based on current modulation in semiconductor lasers［J］. Opt. Precision Eng.， 2021， 29（6）：1321-1328.（in Chinese）. doi: 10.37188/ope.20212906.1321

[7] Y Q NING, Y Y CHEN, J ZHANG et al. Brief review of development and techniques for high power semiconductor lasers. Acta Optica Sinica, 41(2021).

[8] Y LU, W G LIU, Z L CHEN et al. Spatial mode control based on photonic lanterns. Optics Express, 29, 41788(2021).

[9] Y LU, Z L CHEN, W G LIU et al. Stable single transverse mode excitation in 50 µm core fiber using a photonic-lantern-based adaptive control system. Optics Express, 30, 22435-22441(2022).

[10] T CHEN, W G LIU, K XIE et al. Measurements on LP modes of the photonic lantern, 11455, 1381-1387(2020).

[11] D BENEDICTO, M V COLLADOS, J C MARTÍN et al. Contribution to the improvement of the correlation filter method for modal analysis with a spatial light modulator. Micromachines, 13, 2004(2022).

[12] Z H ZHU, Y Y XIAO, R M YAO. CNN-based few-mode fiber modal decomposition method using digital holography. Applied Optics, 60, 7400-7405(2021).

[13] X M WEI, J C JING, Y C SHEN et al. Harnessing a multi-dimensional fibre laser using genetic wavefront shaping. Light： Science & Applications, 9, 149(2020).

[14] M D GERVAZIEV, I ZHDANOV, D S KHARENKO et al. Mode decomposition of multimode optical fiber beams by phase-only spatial light modulator. Laser Physics Letters, 18(2021).

[15] W YAN, X J XU, J G WANG. Modal decomposition for few mode fibers using the fractional Fourier system. Optics Express, 27, 13871-13883(2019).

[16] X F ZHOU, D F ZHANG, Y B WANG et al. Beam quality analysis of output laser in a conventional photonic lantern excited by incoherent sources, 11850, 125-134(2021).

[17] T EIDAM, C WIRTH, C JAUREGUI et al. Experimental observations of the threshold-like onset of mode instabilities in high power fiber amplifiers. Optics Express, 19, 13218-13224(2011).

[18] C JAUREGUI, C STIHLER, J LIMPERT. Transverse mode instability. Advances in Optics and Photonics, 12, 429-484(2020).

[19] X LUO, P CHEN, Y WANG. Power content M²-values smaller than one. Applied Physics B, 98, 181-185(2010).

[20] M Y LAN, S YU, S Y CAI et al. Mode multiplexer/demultiplexer based on tapered multi-core fiber. IEEE Photonics Technology Letters, 29, 979-982(2017).

[21] D CRUZ-DELGADO, J C ALVARADO-ZACARIAS, M A COOPER et al. Photonic lantern tip/tilt detector for adaptive optics systems. Optics Letters, 46, 3292(2021).

[22] S SAVOVIĆ, A SIMOVIĆ, B DRLJAČA et al. Power flow in graded-index plastic optical fibers. Journal of Lightwave Technology, 37, 4985-4990(2019).

[23] S SAVOVIĆ, A DJORDJEVICH. Method for calculating coupling coefficient in W-type multimode optical fibers. Laser Physics, 31(2021).

[24] Z FANG, X XU, X LI et al. SPGD algorithm with adaptive gain. Infrared and Laser Engineering, 49, 20200274-20200271(2020).

[25] D GLOGE. Optical power flow in multimode fibers. Bell System Technical Journal, 51, 1767-1783(1972).

[26] W A GAMBLING, D N PAYNE, H MATSUMURA. Mode conversion coefficients in optical fibers. Applied Optics, 14, 1538-1542(1975).

[27] M ROUSSEAU, L JEUNHOMME. Numerical solution of the coupled-power equation in step-index optical fibers. IEEE Transactions on Microwave Theory and Techniques, 25, 577-585(1977).

[28] D GLOGE. Optical power flow in multimode fibers. Bell System Technical Journal, 51, 1767-1783(1972).

[29] R OLSHANSKY. Mode coupling effects in graded-index optical fibers. Applied Optics, 14, 935-945(1975).

[30] [30] 程德强， 赵佳敏， 寇旗旗， 等. 多尺度密集特征融合的图像超分辨率重建［J］. 光学 精密工程， 2022， 30（20）：2489-2500. doi: 10.37188/OPE.20223020.2489CHENGD Q， ZHAOJ M， KOUQ Q， et al. Multi-scale dense feature fusion network for image super-resolution［J］. Opt. Precision Eng.， 2022， 30（20）：2489-2500. （in Chinese）. doi: 10.37188/OPE.20223020.2489

[31] [31] 胡建平， 郝梦云， 杜影， 等. 结构和纹理感知的Retinex融合红外与可见光图像［J］. 光学 精密工程， 2022， 30（24）：3225-3238. doi: 10.37188/ope.20223024.3225HUJ P， HAOM Y， DUY， et al. Fusion of infrared and visible images via structure and texture-aware retinex［J］. Opt. Precision Eng.， 2022， 30（24）：3225-3238. （in Chinese）. doi: 10.37188/ope.20223024.3225

[32] [32] 杨坚华， 张浩， 花海洋. 并行路径与强注意力机制遥感图像建筑物分割［J］. 光学 精密工程， 2023， 31（2）： 234-245. doi: 10.37188/ope.20233102.0234YANGJ H， ZHANGH， HUAH Y. Parallel path and strong attention mechanism for building segmentation in remote sensing images［J］. Opt. Precision Eng.， 2023， 31（2）： 234-245.（in Chinese）. doi: 10.37188/ope.20233102.0234

[33] S ABEDKARIMI, S GHAVAMI SABOURI. Speckle analyzer： open-source package in MATLAB for finding metrics of physical quantities based on laser speckle pattern analyzing. Applied Optics, 60, 9728-9735(2021).