[1] Norman S, Zervas M N, Appleyard A et al. Latest development of high-power fiber lasers in SPI[J]. Proceedings of SPIE, 5335, 229-237(2004). http://spie.org/x648.xml?product_id=537739

[2] Bouchier A, Lucas-Leclin G, Georges P et al. Frequency doubling of an efficient continuous wave single-mode Yb-doped fiber laser at 978nm in a periodically-poled MgO: LiNbO3 waveguide[J]. Optics Express, 13, 6974-6979(2005).

[3] Peng X L, Yang C S, Deng H Q et al. Research progress of blue-green single-frequency laser[J]. Laser & Optoelectronics Progress, 57, 071606(2020).

[4] Muro K, Fujimoto T, Okada S et al. High power 980nm pump laser diodes with decoupled confinement hetero-structure. [C]∥Optical Amplifiers and Their Applications,July 1, 2001, Stresa, Italy. Washington, D.C.: OSA, OMB2(2001).

[5] Shu Q, Li C Y, Lin H H et al. 2 kW class antireflection fiber laser with oscillator-amplifier integration[J]. Chinese Journal of Lasers, 45, 0801004(2018).

[6] Jelger P, Engholm M, Norin L et al. Degradation-resistant lasing at 980nm in a Yb/Ce/Al-doped silica fiber[J]. Journal of the Optical Society of America B, 27, 338-342(2010). http://www.opticsinfobase.org/abstract.cfm?uri=josab-27-2-338

[7] Boullet J, Dubrasquet R, Médina C et al. Millijoule-class Yb-doped pulsed fiber laser operating at 977 nm[J]. Optics Letters, 35, 1650-1652(2010).

[9] Machinet G, Lhermite J, Lecaplain C et al. Highenergy mode-locked fiber laser at 976nm. [C]∥Advances in Optical Materials, February 13-16, 2011, Istanbul, Turkey. Washington, D.C.: OSA, AwA29(2011).

[10] He J, Du S T, Wang Z W et al. Linearly-polarized short-pulse AOM Q-switched 978nm photonic crystal fiber laser[J]. Optics Express, 21, 29249-29254(2013).

[11] Li P X, Liang B X, Zhang M M et al. 978nm 1.24 ps ultra-short plused large mode area photonic crystal fiber laser[J]. Optics Communications, 352, 19-24(2015). http://or.nsfc.gov.cn/handle/00001903-5/318972

[12] Zhang Y, Zhu J Q, Li P X et al. All-fiber Yb-doped fiber laser passively mode-locking by monolayer MoS2 saturable absorber[J]. Optics Communications, 413, 236-241(2018).

[13] Su N, Li P X, Yao C F et al. Passively mode-locked Yb-doped all-fiber oscillator operating at 979 nm and 1032 nm with the single wall carbon nanotubes as SA[J]. Optik, 198, 163282(2019). http://www.sciencedirect.com/science/article/pii/S0030402619311805

[14] Yi S J, Zhou Y, Dai Y T et al. Core-pumped all-normal-dispersion ytterbium-doped femtosecond fiber laser around 976nm. [C]∥Conference on Lasers and Electro-Optics, June 5-10, 2016, San Jose, California. Washington, D.C.: OSA, JTu5A, 84(2016).

[15] Luo X X, Xi X M, Shi C et al. 3 kW near-single-mode all-fiber amplifier based on 20/400μm gain fiber and its long time operation characteristics[J]. Chinese Journal of Lasers, 46, 0201004(2019).

[16] Li P X, Yang C, Yao Y F et al. Research progress of 980nm fiber laser[J]. Laser & Optoelectronics Progress, 50, 100001(2013).

[17] Liu Y, Cao J Q, Xiao H et al. Current status and future perspective of 980nm fiber lasers[J]. Laser & Optoelectronics Progress, 49, 080007(2012).

[18] Röser F, Jauregui C, Limpert J et al. 94W 980nm high brightness Yb-doped fiber laser[J]. Optics Express, 16, 17310-17318(2008).

[19] Boullet J, Zaouter Y, Desmarchelier R et al. High power ytterbium-doped rod-type three-level photonic crystal fiber laser[J]. Optics Express, 16, 17891-17902(2008).

[20] Hanna D C, Percival R M, Perry I R et al. Continuous-wave tunable and superfluorescent operation of a monomode ytterbium-doped fiber laser. [C]∥Advanced Solid State Lasers 1989, May 1, 1989, Cape Cod, Massachusetts. Washington, D.C.: OSA, JJ1(1989).

[21] Zenteno L A, Minelly J D, Dejneka M et al. 0.65W single-mode Yb-fiber laser at 980nm pumped by 1.1W Nd: YAG. [C]∥Advanced Solid State Lasers,February 13, 2000, Davos, Switzerland. Washington, D.C.: OSA, MD7(2000).

[22] Minelly J D, Zenteno L A, Dejneka M J et al. High power diode pumped single-transverse-mode Yb fiber laser operating at 978nm. [C]∥Optical Fiber Communication Conference, March 7, 2000, Baltimore, Maryland, United States. Washington, D.C.: OSA, FD2(2000).

[23] Ylä-Jarkko K H, Selvas R, Soh D B S et al. A 3.5W 977nm cladding-pumped jacketed air-clad ytterbium-doped fiber laser. [C]∥Advanced Solid-State Photonics, February 2-5, 2003, San Antonio, Texas. Washington, D.C.: OSA, 103(2003).

[24] Zou S, Li P, Wang L et al. 980nm Yb-doped single-mode fiber laser and its frequency-doubling with BIBO[J]. Applied Physics B, 95, 685-690(2009). http://link.springer.com/10.1007/s00340-009-3511-2

[25] Nilsson J, Minelly J D, Paschotta R et al. Ring-doped cladding-pumped single-mode three-level fiber laser[J]. Optics Letters, 23, 355-357(1998). http://www.opticsinfobase.org/abstract.cfm?id=36606

[26] Leich M, Jäger M, Grimm S et al. Tapered single-mode Yb-fiber laser at 976nm. [C]∥Specialty Optical Fibers, July 27-31, 2014, Barcelona, Spain. Washington, D.C.: OSA, SoM3B, 6(2014).

[27] Aleshkina S S, Likhachev M E, Lipatov D S et al. 5.5W monolitic single-mode fiber laser and amplifier operating near 976nm[J]. Proceedings of SPIE, 9728, 97281C(2016). http://spie.org/Publications/Proceedings/Paper/10.1117/12.2209610

[28] Aleshkina S S, Levchenko A E, Medvedkov O I et al. Photodarkening-free Yb-doped saddle-shaped fiber for high power single-mode 976-nm laser[J]. IEEE Photonics Technology Letters, 30, 127-130(2018). http://d.wanfangdata.com.cn/periodical/deda98363e10bb636e48e8014754ae9b

[29] Pureur V, Bigot L, Bouwmans G et al. Ytterbium-doped solid core photonic bandgap fiber for laser operation around 980nm[J]. Applied Physics Letters, 92, 061113(2008).

[30] Matniyaz T. Kalichevsky-Dong M T, Hawkins T W, et al. Single-mode Yb-doped double-clad all-solid photonic bandgap fiber laser generating 27.8W at 976nm. [C]∥Advanced Solid-State Photonics, November 4-8, 2018, Boston, Massachusetts. Washington, D.C.: OSA, AM6A, 28(2018).

[31] Matniyaz T. Kalichevsky-Dong M T, Hawkins T W, et al. Diffraction-limited Yb-doped double-clad all-solid photonic bandgap fiber laser at 976nm[J]. Proceedings of SPIE, 10897, 108970V(2019).

[32] Matniyaz T, Li W, Kalichevsky-Dong M et al. Highly efficient cladding-pumped single-mode three-level Yb all-solid photonic bandgap fiber lasers[J]. Optics Letters, 44, 807-810(2019). http://www.researchgate.net/publication/330855537_highly_efficient_cladding-pumped_single-mode_three-level_yb_all-solid_photonic_bandgap_fiber_lasers

[33] Li W S, Matniyaz T, Gafsi S et al. 151W monolithic diffraction-limited Yb-doped photonic bandgap fiber laser at ~978nm[J]. Optics Express, 27, 24972-24977(2019). http://www.researchgate.net/publication/335243836_151W_monolithic_diffraction-limited_Yb-doped_photonic_bandgap_fiber_laser_at_978nm

[34] Wu J W, Zhu X S, Temyanko V et al. Yb 3+-doped double-clad phosphate fiber for 976nm single-frequency laser amplifiers[J]. Optical Materials Express, 7, 1310-1316(2017).

[35] Aleshkina S S, Bardina T L, Lipatov D S et al. Factors reducing the efficiency of ytterbium fibre lasers and amplifiers operating near 0.98 μm[J]. Quantum Electronics, 47, 1109-1114(2017). http://www.mathnet.ru/eng/qe16735

[36] Valero N, Feral C, Lhermite J et al. 39W narrow spectral linewidth monolithic ytterbium-doped fiber MOPA system operating at 976 nm[J]. Optics Letters, 45, 1495-1498(2020).

[37] Li P X, Zhong G S, Liu Z et al. 980nm Yb-doped double-clad photonic crystal fiber amplifier and its frequency doubling[J]. Optics & Laser Technology, 44, 2202-2205(2012). http://www.sciencedirect.com/science/article/pii/S0030399212000941?

[38] Liu Y, Cao J Q, Xiao H et al. Study on the output properties of fiber lasers operating near 980nm[J]. Journal of the Optical Society of America B, 30, 266-274(2013). http://www.opticsinfobase.org/abstract.cfm?URI=josab-30-2-266

[39] Wang R X, Liu Y, Cao J Q et al. Experimental study on the all-fiberized continuous-wave ytterbium-doped laser operating near 980nm[J]. Applied Optics, 52, 5920-5924(2013).

[40] Wang R X. Study on output characters of fiber amplifiers operating near 980nm[D]. Changsha: National University of Defense Technology, 3-8(2013).

[41] Yu Y, An Y Y, Cao J Q et al. Experimental study on all-fiberized continuous-wave Yb-doped fiber amplifier operating near 980nm[J]. IEEE Photonics Technology Letters, 28, 398-401(2016). http://ieeexplore.ieee.org/document/7314879

[42] Wang Y S, Ke W W, Ma Y et al. The design and experiment research of high brightness all-fiberized ytterbium doped laser operating near 980nm[J]. Proceedings of SPIE, 9671, 96710U(2015). http://spie.org/Publications/Proceedings/Paper/10.1117/12.2199416

[43] Du H T, Liu A M, Cao J Q et al. 100W power output by self-developed 976nm all fiber laser[J]. High Power Laser and Particle Beams, 31, 103211(2019).