[1] Brignon A[M]. Coherent laser beam combining(2013).

[2] Zhou P, Su R T, Ma Y X et al. Review of coherent laser beam combining research progress in the past decade[J]. Chinese Journal of Lasers, 48, 0401003(2021).

[3] Morel J, Woodtli A, Dändliker R. Coherent coupling of an array of Nd3+-doped single-mode fiber lasers by use of an intracavity phase grating[J]. Optics Letters, 18, 1520-1522(1993).

[4] Wu J, Ma Y X, Ma P F et al. Fiber laser coherent synthesis 20 kW high power output[J]. Infrared and Laser Engineering, 50, 20210621(2021).

[5] Chang Q, Gao Z Q, Deng Y et al. Coherent beam combining of fiber laser breaks through thousands of channels under strong noise[J]. Chinese Journal of Lasers, 50, 0616001(2023).

[6] Zhou P, Su R T, Ma Y X et al. Coherent beam combining of fiber lasers by actively phase control[J]. Acta Optica Sinica, 43, 1700001(2023).

[7] Zhou P, He B. Preface to the column “fiber laser beam synthesis”[J]. Infrared and Laser Engineering, 47, I0003(2018).

[8] Li X Y, Zhou P. Special issue on laser beam combining technology[J]. High Power Laser and Particle Beams, 35, 041000(2023).

[9] Zhou P. From “laser combining” to “combining laser”: beam combination technology empowers lasers[EB/OL]. https:∥mp.weixin.qq.com/s/cm_JhDWpLRFC6n5l1iwucQ

[10] Lyndin N M, Sychugov V A, Tikhomirov A E et al. Laser system composed of several active elements connected by single-mode couplers[J]. Quantum Electronics, 24, 1058-1061(1994).

[11] Kozlov V A, Hernández-Cordero J, Morse T F. All-fiber coherent beam combining of fiber lasers[J]. Optics Letters, 24, 1814-1816(1999).

[12] Shirakawa A, Saitou T, Sekiguchi T et al. Coherent addition of fiber lasers by use of a fiber coupler[J]. Optics Express, 10, 1167-1172(2002).

[13] Sabourdy D, Kermene V, Desfarges-Berthelemot A et al. Efficient coherent combining of widely tunable fiber lasers[J]. Optics Express, 11, 87-97(2003).

[14] McManamon P F, Thompson W. Phased array of phased arrays (PAPA) laser systems architecture[J]. Fiber and Integrated Optics, 22, 79-88(2003).

[15] Anderegg J, Brosnan S J, Weber M E et al. 8-W coherently phased 4-element fiber array[J]. Proceedings of SPIE, 4974, 1-6(2003).

[16] Augst S J, Fan T Y, Sanchez A. Coherent beam combining and phase noise measurements of ytterbium fiber amplifiers[J]. Optics Letters, 29, 474-476(2004).

[17] Jones D C, Scott A M, Clark S et al. Beam steering of a fiber-bundle laser output using phased array techniques[J]. Proceedings of SPIE, 5335, 125-131(2004).

[18] Wickham M, Anderegg J, Brosnan S et al. Coherently coupled high power fiber arrays[C], 23-24(2006).

[19] Anderegg J, Brosnan S, Cheung E et al. Coherently coupled high power fiber arrays[J]. Proceedings of SPIE, 6102, 61020U(2006).

[20] Vorontsov M A, Carhart G W, Ricklin J C. Adaptive phase-distortion correction based on parallel gradient-descent optimization[J]. Optics Letters, 22, 907-909(1997).

[21] Liu L, Vorontsov M A. Phase-locking of tiled fiber array using SPGD feedback controller[J]. Proceedings of SPIE, 5895, 58950P(2005).

[22] Liu L, Vorontsov M A, Polnau E et al. Adaptive phase-locked fiber array with wavefront phase tip-tilt compensation using piezoelectric fiber positioners[J]. Proceedings of SPIE, 6708, 67080K(2007).

[23] Vorontsov M A, Lachinova S L. Laser beam projection with adaptive array of fiber collimators. I. Basic considerations for analysis[J]. Journal of the Optical Society of America A: Optics, Image Science, and Vision, 25, 1949-1959(2008).

[24] Vorontsov M A, Weyrauch T, Beresnev L A et al. Adaptive array of phase-locked fiber collimators: analysis and experimental demonstration[J]. IEEE Journal of Selected Topics in Quantum Electronics, 15, 269-280(2009).

[25] Zhou P, Liu Z J, Wang X L et al. Coherent beam combining of fiber amplifiers using stochastic parallel gradient descent algorithm and its application[J]. IEEE Journal of Selected Topics in Quantum Electronics, 15, 248-256(2009).

[26] Shay T M, Benham V, Spring J et al. Self-referenced locking of optical coherence by single-detector electronic-frequency tagging[J]. Proceedings of SPIE, 6102, 61020V(2006).

[27] Shay T M, Benham V, Baker J T et al. First experimental demonstration of self-synchronous phase locking of an optical array[J]. Optics Express, 14, 12015-12021(2006).

[28] Shay T M, Benham V, Baker J T et al. Self-synchronous and self-referenced coherent beam combination for large optical arrays[J]. IEEE Journal of Selected Topics in Quantum Electronics, 13, 480-486(2007).

[29] Shay T M. Theory of electronically phased coherent beam combination without a reference beam[J]. Optics Express, 14, 12188-12195(2006).

[30] Shay T M, Baker J T, Sanchez A D et al. High-power phase locking of a fiber amplifier array[J]. Proceedings of SPIE, 7195, 71951M(2009).

[31] Yu C X, Kansky J E, Shaw S E J et al. Coherent beam combining of large number of PM fibres in 2-D fibre array[J]. Electronics Letters, 42, 1024-1025(2006).

[32] Xiao R, Hou J, Jiang Z F et al. Experimental research of coherent combining of three fiber amplifiers[J]. Acta Physica Sinica, 55, 6464-6469(2006).

[33] Xiao R, Hou J, Liu M et al. Coherent combining technology of master oscillator power amplifier fiber arrays[J]. Optics Express, 16, 2015-2022(2008).

[34] Zhou P. Study on coherent beam combination technology of fiber lasers[D](2009).

[35] Zhou P, Liu Z J, Wang X L et al. Coherent beam combination of two-dimensional high power fiber amplifier array using stochastic parallel gradient descent algorithm[J]. Applied Physics Letters, 94, 231106(2009).

[36] Zheng Y, Wang X H, Shen F et al. Generation of dark hollow beam via coherent combination based on adaptive optics[J]. Optics Express, 18, 26946-26958(2010).

[37] Zheng Y, Wang X H, Deng L et al. Arbitrary phasing technique for two-dimensional coherent laser array based on an active segmented mirror[J]. Applied Optics, 50, 2239-2245(2011).

[38] Zheng Y, Wang X H, Shen F et al. Tip-tilt correction and coherent combination of seven-channel laser array based on active segmented mirrors[J]. Chinese Journal of Lasers, 38, 0802009(2011).

[39] Fan X Y, Liu J J, Liu J S et al. Experimental investigation of a seven-element hexagonal fiber coherent array[J]. Chinese Optics Letters, 8, 48-51(2010).

[40] Bellanger C, Toulon B, Primot J et al. Collective phase measurement of an array of fiber lasers by quadriwave lateral shearing interferometry for coherent beam combining[J]. Optics Letters, 35, 3931-3933(2010).

[41] Ma Y X, Zhou P, Wang X L et al. Coherent beam combination with single frequency dithering technique[J]. Optics Letters, 35, 1308-1310(2010).

[42] Ma Y X, Zhou P, Wang X L et al. Active phase locking of fiber amplifiers using sine-cosine single-frequency dithering technique[J]. Applied Optics, 50, 3330-3336(2011).

[43] Cheung E C, Ho J G, Goodno G D et al. Diffractive-optics-based beam combination of a phase-locked fiber laser array[J]. Optics Letters, 33, 354-356(2008).

[44] Uberna R, Bratcher A, Tiemann B G. Power scaling of a fiber master oscillator power amplifier system using a coherent polarization beam combination[J]. Applied Optics, 49, 6762-6725(2010).

[45] Seise E, Klenke A, Limpert J et al. Coherent addition of fiber-amplified ultrashort laser pulses[J]. Optics Express, 18, 27827-27835(2010).

[46] Uberna R, Bratcher A, Alley T G et al. Coherent combination of high power fiber amplifiers in a two-dimensional re-imaging waveguide[J]. Optics Express, 18, 13547-13553(2010).

[47] Vorontsov M A, Lachinova S L, Beresnev L A et al. Obscuration-free pupil-plane phase locking of a coherent array of fiber collimators[J]. Journal of the Optical Society of America A: Optics, Image Science, and Vision, 27, A106-A121(2010).

[48] Beresnev L A, Vorontsov M A, Weyrauch T et al. Experimental study of phase locking of fiber collimators using internal beam-tail interference[J]. Proceedings of SPIE, 7914, 79142Z(2011).

[49] Daniault L, Hanna M, Lombard L et al. Coherent beam combining of two femtosecond fiber chirped-pulse amplifiers[J]. Optics Letters, 36, 621-623(2011).

[50] Yan Y F, Tao R M, Li H K et al. Study of high power CBC fiber laser systems with non-equal splitting ratio beam-splitters[J]. Results in Optics, 10, 100368(2023).

[51] Jolivet V, Bourdon P, Bennai B et al. Beam shaping of single-mode and multimode fiber amplifier arrays for propagation through atmospheric turbulence[J]. IEEE Journal of Selected Topics in Quantum Electronics, 15, 257-268(2009).

[52] Dikmelik Y, Davidson F M. Fiber-coupling efficiency for free-space optical communication through atmospheric turbulence[J]. Applied Optics, 44, 4946-4952(2005).

[53] Taylor L R, Feng Y, Calia D B. 50 W CW visible laser source at 589 nm obtained via frequency doubling of three coherently combined narrow-band Raman fibre amplifiers[J]. Optics Express, 18, 8540-8555(2010).

[54] Lombard L, Azarian A, Cadoret K et al. Coherent beam combination of narrow-linewidth 1.5 μm fiber amplifiers in a long-pulse regime[J]. Optics Letters, 36, 523-525(2011).

[55] Kurti R S, Halterman K, Shori R K et al. Discrete cylindrical vector beam generation from an array of optical fibers[J]. Optics Express, 17, 13982-13988(2009).

[56] Ma Y X, Wang X L, Leng J Y et al. Coherent beam combination of 1.08 kW fiber amplifier array using single frequency dithering technique[J]. Optics Letters, 36, 951-953(2011).

[57] Yu C X, Augst S J, Redmond S M et al. Coherent combining of a 4 kW, eight-element fiber amplifier array[J]. Optics Letters, 36, 2686-2688(2011).

[58] Goodno G D, McNaught S J, Rothenberg J E et al. Active phase and polarization locking of a 1.4 kW fiber amplifier[J]. Optics Letters, 35, 1542-1544(2010).

[59] Anderson B, Flores A, Holten R et al. Comparison of phase modulation schemes for coherently combined fiber amplifiers[J]. Optics Express, 23, 27046-27060(2015).

[60] Klenke A, Seise E, Demmler S et al. Coherently-combined two channel femtosecond fiber CPA system producing 3 mJ pulse energy[J]. Optics Express, 19, 24280-24285(2011).

[61] Bourderionnet J, Bellanger C, Primot J et al. Collective coherent phase combining of 64 fibers[J]. Optics Express, 19, 17053-17058(2011).

[62] Weyrauch T, Vorontsov M A, Carhart G W et al. Experimental demonstration of coherent beam combining over a 7 km propagation path[J]. Optics Letters, 36, 4455-4457(2011).

[63] Manzoni C, Mücke O D, Cirmi G et al. Coherent pulse synthesis: towards sub-cycle optical waveforms[J]. Laser & Photonics Reviews, 9, 129-171(2015).

[64] Kienel M, Müller M, Klenke A et al. 12 mJ kW-class ultrafast fiber laser system using multidimensional coherent pulse addition[J]. Optics Letters, 41, 3343-3346(2016).

[65] Klenke A, Seise E, Limpert J et al. Basic considerations on coherent combining of ultrashort laser pulses[J]. Optics Express, 19, 25379-25387(2011).

[66] Siiman L A, Chang W Z, Zhou T et al. Coherent femtosecond pulse combining of multiple parallel chirped pulse fiber amplifiers[J]. Optics Express, 20, 18097-18116(2012).

[67] Su R T, Zhou P, Wang X L et al. Active coherent beam combining of a five-element, 800 W nanosecond fiber amplifier array[J]. Optics Letters, 37, 3978-3980(2012).

[68] Klenke A, Breitkopf S, Kienel M et al. 530 W, 1.3 mJ, four-channel coherently combined femtosecond fiber chirped-pulse amplification system[J]. Optics Letters, 38, 2283-2285(2013).

[69] Chang W Z, Zhou T, Siiman L A et al. Femtosecond pulse spectral synthesis in coherently-spectrally combined multi-channel fiber chirped pulse amplifiers[J]. Optics Express, 21, 3897-3910(2013).

[70] Guichard F, Hanna M, Lombard L et al. Two-channel pulse synthesis to overcome gain narrowing in femtosecond fiber amplifiers[J]. Optics Letters, 38, 5430-5433(2013).

[71] Klenke A, Hädrich S, Eidam T et al. 22 GW peak-power fiber chirped-pulse-amplification system[J]. Optics Letters, 39, 6875-6878(2014).

[72] Ma P F, Tao R M, Wang X L et al. Coherent polarization beam combination of four mode-locked fiber MOPAs in picosecond regime[J]. Optics Express, 22, 4123-4130(2014).

[73] Müller M, Kienel M, Klenke A et al. 1 kW 1 mJ eight-channel ultrafast fiber laser[J]. Optics Letters, 41, 3439-3442(2016).

[74] Thielen P A, Ho J G, Burchman D A et al. Two-dimensional diffractive coherent combining of 15 fiber amplifiers into a 600 W beam[J]. Optics Letters, 37, 3741-3743(2012).

[75] Redmond S M, Ripin D J, Yu C X et al. Diffractive coherent combining of a 2.5 kW fiber laser array into a 1.9 kW Gaussian beam[J]. Optics Letters, 37, 2832-2834(2012).

[76] McNaught S J, Thielen P A, Adams L N et al. Scalable coherent combining of kilowatt fiber amplifiers into a 2.4-kW beam[J]. IEEE Journal of Selected Topics in Quantum Electronics, 20, 0901008(2014).

[77] Ma P F, Wang X L, Su R T et al. Coherent polarization beam combining of fiber lasers to 2 kW power-level[J]. High Power Laser and Particle Beams, 28, 040102(2016).

[78] Flores A, Dajani I, Holten R H et al. Multi-kilowatt diffractive coherent combining of pseudorandom-modulated fiber amplifiers[J]. Optical Engineering, 55, 096101(2016).

[79] Antier M, Bourderionnet J, Larat C et al. kHz closed loop interferometric technique for coherent fiber beam combining[J]. IEEE Journal of Selected Topics in Quantum Electronics, 20, 0901506(2014).

[80] Azarian A, Bourdon P, Lombard L et al. Orthogonal coding methods for increasing the number of multiplexed channels in coherent beam combining[J]. Applied Optics, 53, 1493-1502(2014).

[81] Ahn H K, Kong H J. Cascaded multi-dithering theory for coherent beam combining of multiplexed beam elements[J]. Optics Express, 23, 12407-12413(2015).

[82] Kabeya D, Kermene V, Fabert M et al. Active coherent combining of laser beam arrays by means of phase-intensity mapping in an optimization loop[J]. Optics Express, 23, 31059-31068(2015).

[83] Huang Z M, Tang X, Luo Y Q et al. Active phase locking of thirty fiber channels using multilevel phase dithering method[J]. The Review of Scientific Instruments, 87, 033109(2016).

[84] Su R T, Zhang Z X, Zhou P et al. Coherent beam combining of a fiber lasers array based on cascaded phase control[J]. IEEE Photonics Technology Letters, 28, 2585-2588(2016).

[85] Goodno G D, Shih C C, Rothenberg J E. Perturbative analysis of coherent combining efficiency with mismatched lasers[J]. Optics Express, 18, 25403-25414(2010).

[86] Goodno G D, McNaught S J, Weber M E et al. Multichannel polarization stabilization for coherently combined fiber laser arrays[J]. Optics Letters, 37, 4272-4274(2012).

[87] Goodno G D, Weiss S B. Automated co-alignment of coherent fiber laser arrays via active phase-locking[J]. Optics Express, 20, 14945-14953(2012).

[88] Weiss S B, Weber M E, Goodno G D. Group delay locking of coherently combined broadband lasers[J]. Optics Letters, 37, 455-457(2012).

[89] Müller M, Aleshire C, Klenke A et al. 10.4 kW coherently combined ultrafast fiber laser[J]. Optics Letters, 45, 3083-3086(2020).

[90] Wang X, Wang X L, Zhou P et al. 350-W coherent beam combining of fiber amplifiers with tilt-tip and phase-locking control[J]. IEEE Photonics Technology Letters, 24, 1781-1784(2012).

[91] Geng C, Luo W, Tan Y et al. Experimental demonstration of using divergence cost-function in SPGD algorithm for coherent beam combining with tip/tilt control[J]. Optics Express, 21, 25045-25055(2013).

[92] Chosrowjan H, Furuse H, Fujita M et al. Interferometric phase shift compensation technique for high-power, tiled-aperture coherent beam combination[J]. Optics Letters, 38, 1277-1279(2013).

[94] Wang H H, Lin L X, Ye X et al. Status and development trend of overseas new type electric drive high-energy laser technology[J]. Infrared and Laser Engineering, 52, 20220283(2023).

[96] Mourou G, Brocklesby B, Tajima T et al. The future is fibre accelerators[J]. Nature Photonics, 7, 258-261(2013).

[97] Lubin P, Hughes G B, Bible J J et al. Directed energy planetary defense[J]. Proceedings of SPIE, 8876, 887602(2013).

[99] Timmer J. Breakthrough starshot announces plans to send ship to alpha centauri[EB/OL]. https:∥arstechnica.com/science/2016/04/breakthrough-starshot-announces-plans-to-send-ship-to-alpha-centauri/

[100] Atwater H A, Davoyan A R, Ilic O et al. Materials challenges for the Starshot lightsail[J]. Nature Materials, 17, 861-867(2018).

[101] Materials N. Extreme light[J]. Nature Materials, 15, 1(2016).

[102] Fsaifes I, Daniault L, Bellanger S et al. Coherent beam combining of 61 femtosecond fiber amplifiers[J]. Optics Express, 28, 20152-20161(2020).

[103] Chang H X, Chang Q, Xi J C et al. First experimental demonstration of coherent beam combining of more than 100 beams[J]. Photonics Research, 8, 1943-1948(2020).

[104] Chang Q, Hou T Y, Long J H et al. Experimental phase stabilization of a 397-channel laser beam array via image processing in dynamic noise environment[J]. Journal of Lightwave Technology, 40, 6542-6547(2022).

[105] Du Q, Wang D, Zhou T et al. 81-beam coherent combination using a programmable array generator[J]. Optics Express, 29, 5407-5418(2021).

[106] Shpakovych M, Maulion G, Kermene V et al. Experimental phase control of a 100 laser beam array with quasi-reinforcement learning of a neural network in an error reduction loop[J]. Optics Express, 29, 12307-12318(2021).

[107] Liu Z J, Zhou P, Ma P F et al. 4-channel polarize coherent combination of high-power narrow-linewidth linear polarization fiber amplifiers with 5 kW high intensity laser output[J]. Chinese Journal of Lasers, 44, 0415004(2017).

[108] Müller M, Klenke A, Steinkopff A et al. 3.5 kW coherently combined ultrafast fiber laser[J]. Optics Letters, 43, 6037-6040(2018).

[109] Shekel E, Vidne Y, Urbach B. 16 kW single mode CW laser with dynamic beam for material processing[J]. Proceedings of SPIE, 11260, 1126021(2020).

[110] Ma P F, Chang H X, Ma Y X et al. 7.1 kW coherent beam combining system based on a seven-channel fiber amplifier array[J]. Optics & Laser Technology, 140, 107016(2021).

[111] Stark H, Buldt J, Müller M et al. 23 mJ high-power fiber CPA system using electro-optically controlled divided-pulse amplification[J]. Optics Letters, 44, 5529-5532(2019).

[112] Stark H, Benner M, Buldt J et al. Pulses of 32 mJ and 158 fs at 20-kHz repetition rate from a spatiotemporally combined fiber laser system[J]. Optics Letters, 48, 3007-3010(2023).

[113] Stark H, Buldt J, Müller M et al. 1 kW, 10 mJ, 120 fs coherently combined fiber CPA laser system[J]. Optics Letters, 46, 969-972(2021).

[114] Chen S Y, Zhou T, Du Q et al. Broadband spectral combining of three pulse-shaped fiber amplifiers with 42 fs compressed pulse duration[J]. Optics Express, 31, 12717-12724(2023).

[115] Rouzé B, Lombard L, Jacqmin H et al. Coherent beam combination of seven 1.5  µm fiber amplifiers through up to 1  km atmospheric turbulence: near- and far-field experimental analysis[J]. Applied Optics, 60, 8524-8533(2021).

[116] Björck M, Henriksson M, Sjöqvist L. Outdoor target-in-the-loop coherent beam combination using a stochastic parallel gradient descent algorithm[J]. Proceedings of SPIE, 11867, 118670E(2021).

[117] Li F, Zou F, Jiang J L et al. Target-in-loop coherent beam combining of a 57-aperture fiber laser array over 2 km in atmosphere based on an adaptive optical system[J]. Chinese Journal of Lasers, 49, 0616002(2022).

[118] Zhi D, Hou T Y, Ma P F et al. Comprehensive investigation on producing high-power orbital angular momentum beams by coherent combining technology[J]. High Power Laser Science and Engineering, 7, e33(2019).

[119] Veinhard M, Bellanger S, Daniault L et al. Orbital angular momentum beams generation from 61 channels coherent beam combining femtosecond digital laser[J]. Optics Letters, 46, 25-28(2021).

[120] Wang X B, Liu C B, Cao Y et al. High-precision two-dimensional beam steering with a 64-element optical fiber phased array[J]. Applied Optics, 60, 10002-10008(2021).

[121] Andrianov A, Kalinin N, Anashkina E et al. Highly efficient coherent beam combining of tiled aperture arrays using out-of-phase pattern[J]. Optics Letters, 45, 4774-4777(2020).

[122] Prossotowicz M, Flamm D, Heimes A et al. Dynamic focus shaping with mixed-aperture coherent beam combining[J]. Optics Letters, 46, 1660-1663(2021).

[123] Prossotowicz M, Heimes A, Flamm D et al. Coherent beam combining with micro-lens arrays[J]. Optics Letters, 45, 6728-6731(2020).

[124] Fsaifes I, Ranély-Vergé-Dépré C A, Veinhard M et al. Far field energy distribution control using a coherent beam combining femtosecond digital laser[J]. Optics Express, 31, 8217-8225(2023).

[125] Tünnermann H, Shirakawa A. AI controlled tiled aperture coherent beam combining[C](2019).

[126] Mills B, Grant-Jacob J A, Praeger M et al. Single step phase optimisation for coherent beam combination using deep learning[J]. Scientific Reports, 12, 5188(2022).

[127] Tünnermann H, Shirakawa A. Deep reinforcement learning for coherent beam combining applications[J]. Optics Express, 27, 24223-24230(2019).

[128] Shpakovych M, Maulion G, Boju A et al. On-demand phase control of a 7-fiber amplifiers array with neural network and quasi-reinforcement learning[J]. Photonics, 9, 243(2022).

[129] Jia H L, Zuo J, Bao Q L et al. Discussion on piston-type phase ambiguity in a coherent beam combining system[J]. Photonics, 9, 49(2022).

[130] Jia H L, Zuo J, Bao Q L et al. A phase-error prediction method for coherent beam combining via convolutional neural network[J]. Optik, 246, 167827(2021).

[131] Hou T Y, An Y, Chang Q et al. Deep-learning-based phase control method for tiled aperture coherent beam combining systems[J]. High Power Laser Science and Engineering, 7, e59(2019).

[132] Mirigaldi A, Carbone M, Perrone G. Non-uniform adaptive angular spectrum method and its application to neural network assisted coherent beam combining[J]. Optics Express, 29, 13269-13287(2021).

[133] Hou T Y, An Y, Chang Q et al. Deep-learning-based coherent fiber laser array system for power scaling and spatial light structuring[J]. Proceedings of SPIE, 11981, 119810F(2022).

[134] Wang D, Du Q, Zhou T et al. Stabilization of the 81-channel coherent beam combination using machine learning[J]. Optics Express, 29, 5694-5709(2021).

[135] Li X Z, Peng C, Liang X Y. Far-field phasing method based on deep learning for tiled-aperture coherent beam combination[J]. Optics Communications, 527, 128928(2023).

[136] Liu R Q, Peng C, Liang X Y et al. Coherent beam combination far-field measuring method based on amplitude modulation and deep learning[J]. Chinese Optics Letters, 18, 041402(2020).

[137] Zhang X, Li P X, Zhu Y C et al. Coherent beam combination based on Q-learning algorithm[J]. Optics Communications, 490, 126930(2021).

[138] Wang D, Du Q, Zhou T et al. Machine learning pattern recognition algorithm with applications to coherent laser combination[J]. IEEE Journal of Quantum Electronics, 58, 6100309(2022).

[139] Wang D, Leng Y X. Simultaneous wavefront sensing of multiple beams using neural networks[J]. Applied Physics B, 128, 8(2021).

[140] Du Q, Wang D, Zhou T et al. Experimental beam combining stabilization using machine learning trained while phases drift[J]. Optics Express, 30, 12639-12653(2022).

[141] Gao Z Q, Chang Q, Liu H Y et al. Research progress and development trend of machine learning in phase control of fiber laser arrays[J]. Chinese Journal of Lasers, 50, 1101010(2023).

[142] Du Q, Zhou T, Doolittle L R et al. Deterministic stabilization of eight-way 2D diffractive beam combining using pattern recognition[J]. Optics Letters, 44, 4554-4557(2019).

[143] Odier A, Durécu A, Melkonian J M et al. Coherent combining of second-harmonic generators by active phase control of the fundamental waves[J]. Optics Letters, 42, 3201-3204(2017).

[144] Želudevičius J, Regelskis K, Račiukaitis G. Experimental demonstration of pulse multiplexing and beam combining of four fiber lasers by noncollinear frequency conversion in an LBO crystal[J]. Optics Letters, 42, 175-178(2017).

[145] Tsubakimoto K, Yoshida H, Miyanaga N. 600 W green and 300 W UV light generated from an eight-beam, sub-nanosecond fiber laser system[J]. Optics Letters, 42, 3255-3258(2017).

[146] Odier A, Chtouki R, Bourdon P et al. Coherent combining of mid-infrared difference frequency generators[J]. Optics Letters, 44, 566-569(2019).

[147] Odier A, Durécu A, Melkonian J M et al. Coherent combining of fiber-laser-pumped 3.4 μm frequency converters[J]. Proceedings of SPIE, 10083, 1008319(2017).

[148] Feng L W, Wang X J, Ke W W. Coherent beam combining of optical parametric oscillators[J]. Journal of the Optical Society of America B: Optical Physics, 34, 991-997(2017).

[149] Lasers Civan. Civan lasers unveils 500 W single mode continuous wave 532 nm laser[EB/OL]. https:∥www.civanlasers.com/post/civan-lasers-unveils-500w-single-mode- continuous-wave-532nm-laser

[150] Albrodt P, Jamal M T, Hansen A K et al. Coherent combining of high brightness tapered amplifiers for efficient non-linear conversion[J]. Optics Express, 27, 928-937(2019).

[151] Liu Q, Janicot S, Georges P et al. Coherent combination of micropulse tapered amplifiers at 828 nm for direct-detection LIDAR applications[J]. Optics Letters, 48, 489-492(2023).

[152] Billaud A, Gomez F, Allioux D et al. Optimal coherent beam combining based on multi-plane light conversion for high throughput optical feeder links[C](2019).

[153] Rouzé B, Pichon P, Gay M et al. Experimental study of the impact of carrying a telecom signal on LOCSET-based coherent beam combining[J]. Optics Express, 31, 26552-26564(2023).

[154] Billault V, Leveque S, Maho A et al. Optical coherent combining of high-power optical amplifiers for free-space optical communications[J]. Optics Letters, 48, 3649-3652(2023).

[155] Zou F, Pan Z T, Liu J Y et al. Turbulence compensation for receiving and coherent combining via phased fiber laser array[J]. IEEE Photonics Technology Letters, 35, 733-736(2023).

[156] Zou F, Pan Z T, Liu J Y et al. Bidirectional coherent beam combining and turbulence mitigating by phased fiber laser array in a 2 km atmospheric link[J]. Optics & Laser Technology, 163, 109311(2023).

[157] Buldt J, Stark H, Müller M et al. Gas-plasma-based generation of broadband terahertz radiation with 640 mW average power[J]. Optics Letters, 46, 5256-5259(2021).

[158] Yan Y F, Liu Y, Zhang H Y et al. Principle and numerical demonstration of high power all-fiber coherent beam combination based on self-imaging effect in a square core fiber[J]. Photonics Research, 10, 444-455(2022).

[159] Vysotsky D V, Napartovich A P. Coherent beam combining in optically coupled laser arrays[J]. Quantum Electronics, 49, 989-1007(2019).

[160] Steinkopff A, Jauregui C, Aleshire C et al. Optimizing the design of coherently combined multicore fiber amplifiers[J]. Proceedings of SPIE, 11665, 116651Q(2021).

[161] Otto H J, Klenke A, Jauregui C et al. Scaling the mode instability threshold with multicore fibers[J]. Optics Letters, 39, 2680-2683(2014).

[162] Klenke A, Müller M, Stark H et al. Coherently combined 16-channel multicore fiber laser system[J]. Optics Letters, 43, 1519-1522(2018).

[163] Klenke A, Steinkopff A, Aleshire C et al. 500 W rod-type 4×4 multicore ultrafast fiber laser[J]. Optics Letters, 47, 345-348(2022).

[164] Klenke A, Bahri M, Steinkopff A et al. 49-core rod-type ytterbium-doped multicore fiber for high power operation[J]. Proceedings of SPIE, 12400, 124000Y(2023).

[165] Klenke A, Jauregui C, Steinkopff A et al. High-power multicore fiber laser systems[J]. Progress in Quantum Electronics, 84, 100412(2022).

[166] Demur R, Leviandier L, Turpin E et al. Active coherent beam combining and beam steering using a spatial mode multiplexer[J]. Optics Express, 31, 32105-32113(2023).

[167] Yang Y, Geng C, Li F et al. Fiber-based coherent polarization beam combining with cascaded phase-locking and polarization-transforming controls[J]. Journal of Optics, 20, 055703(2018).

[168] Rouzé B, Fsaifes I, Bellanger S et al. Phase noise measurements and diagnoses of a large array of fiber lasers by PISTIL[J]. Applied Optics, 61, 7846-7851(2022).

[169] Peng Y N, Hu Q Q, Duan J Z et al. Self-adaptiue tilt control method based on second order moment of beam for laser array[J]. High Power Laser and Particle Beams, 35, 041010(2023).

[170] Haraguchi E, Akiyama T, Ando T et al. Simultaneous detection of beam pointing and optical phase errors for multiple beams using a quadrant photo detector for high-efficiency coherent beam combining systems[J]. Applied Physics Express, 12, 102012(2019).

[171] Jiang M, Su R T, Zhang Z X et al. Coherent beam combining of fiber lasers using a CDMA-based single-frequency dithering technique[J]. Applied Optics, 56, 4255-4260(2017).

[172] Liu R Q, Peng C, Wu W S et al. Coherent beam combination of multiple beams based on near-field angle modulation[J]. Optics Express, 26, 2045-2053(2018).

[173] Klenke A, Müller M, Stark H et al. Sequential phase locking scheme for a filled aperture intensity coherent combination of beam arrays[J]. Optics Express, 26, 12072-12080(2018).

[174] Freier C, Legge S, Roberts L et al. Scalable all-fiber coherent beam combination using digital control[J]. Applied Optics, 61, 4543-4548(2022).

[175] Deprez M, Bellanger C, Lombard L et al. Piston and tilt interferometry for segmented wavefront sensing[J]. Optics Letters, 41, 1078-1081(2016).

[176] Deprez M, Wattellier B, Bellanger C et al. Phase measurement of a segmented wave front using PISton and TILt interferometry (PISTIL)[J]. Optics Express, 26, 5212-5224(2018).

[177] Yuan L B. Overview and forecast of fiber optic white-light interfreometry[J]. Acta Optica Sinica, 31, 0900137(2011).

[178] Jones D C, Turner A J, Scott A M et al. A multi-channel phase locked fibre bundle laser[J]. Proceedings of SPIE, 7580, 75801V(2010).

[181] Lasers Civan. White paper: dynamic beam laser explained[EB/OL]. https:∥www.civanlasers.com/

[182] Shekel E, Urbach B, Vidne Y et al. Optical phased array dynamic beam shaping with noise[P].

[184] Wang G J, Song J X, Chen Y S et al. Six kilowatt record all-fiberized and narrow-linewidth fiber amplifier with near-diffraction-limited beam quality[J]. High Power Laser Science and Engineering, 10, e22(2022).

[185] Ma P F, Song J X, Wang G J et al. High-power narrow linewidth fiber laser breaks through 6 kW near single-mode output[J]. Chinese Journal of Lasers, 49, 0916002(2022).

[186] Ren S, Ma P F, Chen Y S et al. 5 kW-level narrow linewidth fiber laser output realized by homemade polarization-maintained fiber[J]. Infrared and Laser Engineering, 52, 20220900(2023).

[187] Wang Y S, Peng W J, Wang J et al. Output of 4 kW <10 GHz narrow linewidth linear polarization near diffraction limit fiber laser[J]. High Power Laser and Particle Beams, 35, 089901(2023).

[188] Müller M, Aleshire C, Buldt J et al. Scaling potential of beam-splitter-based coherent beam combination[J]. Optics Express, 29, 27900-27911(2021).

[189] Zhang Y Q, Hou T Y, Chang H X et al. Tight focusing properties and focal field tailoring of cylindrical vector beams generated from a linearly polarized coherent beam array[J]. Optics Express, 29, 5259-5269(2021).

[190] Ju P, Fan W H, Gao W et al. Phase control scheme of the coherent beam combining system for generating perfect vectorial vortex beams assisted by a Dammann vortex grating[J]. Optics Express, 31, 22372-22384(2023).

[191] Wellmann F, Bode N N, Wessels P et al. Low noise 400 W coherently combined single frequency laser beam for next generation gravitational wave detectors[J]. Optics Express, 29, 10140-10149(2021).

[192] Ma T, Li F Q, Lin H H. Recent progress of high power green laser based on frequency doubling technology for fiber laser[J]. High Power Laser and Particle Beams, 35, 071005(2023).

[193] Zhou P, Wang X, Ma Y et al. Review on recent progress on mid-infrared fiber lasers[J]. Laser Physics, 22, 1744-1751(2012).

[194] Zhou P, Ma Y X, Wang X L et al. Coherent beam combination of three two-tone fiber amplifiers using stochastic parallel gradient descent algorithm[J]. Optics Letters, 34, 2939-2941(2009).

[195] Cox J A, Putnam W P, Sell A et al. Pulse synthesis in the single-cycle regime from independent mode-locked lasers using attosecond-precision feedback[J]. Optics Letters, 37, 3579-3581(2012).

[196] Weyrauch T, Vorontsov M, Mangano J et al. Deep turbulence effects mitigation with coherent combining of 21 laser beams over 7 km[J]. Optics Letters, 41, 840-843(2016).

[197] Sprangle P, Hafizi B, Ting A et al. High-power lasers for directed-energy applications[J]. Applied Optics, 54, F201-F209(2015).

[198] Vorontsov M A, Weyrauch T. High-power lasers for directed-energy applications: comment[J]. Applied Optics, 55, 9950-9953(2016).

[199] Sprangle P, Hafizi B, Ting A et al. High-power lasers for directed-energy applications: reply[J]. Applied Optics, 56, 4825-4826(2017).

[200] Bruesselbach H, Wang S Q, Minden M et al. Power-scalable phase-compensating fiber-array transceiver for laser communications through the atmosphere[J]. Journal of the Optical Society of America B: Optical Physics, 22, 347-353(2005).

[201] Klenke A, Müller M, Stark H et al. Coherent beam combination of ultrafast fiber lasers[J]. IEEE Journal of Selected Topics in Quantum Electronics, 24, 0902709(2018).

[202] Dubinovsky M, Wreford C, Trela-McDonald N et al. Innovative freeform design methodology used for high efficiency coherent beam combination design study[J]. Proceedings of SPIE, PC12515, PC125150G(2023).