利用光谱滤波器实现自启动的全光纤超短脉冲掺Yb3+光纤激光器

张攀政; 范薇; 汪小超; 林尊琪

doi:10.7498/aps.60.024206

摘要

讨论了利用光谱滤波器实现自启动的被动锁模掺Yb3+光纤环形激光器的锁模机理,并研制出全光纤结构超短脉冲掺Yb3+光纤环形激光器.使用980 nm二极管激光器作为抽运源,高掺杂浓度掺Yb3+光纤作为增益介质.在净群速度色散为正的环形腔中加入光谱滤波器,抑制Yb3+离子在1030 nm强发射峰的同时,通过对啁啾脉冲的光谱滤波实现脉冲压缩.光谱滤波器与光纤非线性偏振旋转效应相结合,实现了激光器在1053 nm可自启动、十分稳定的锁模运转.激光器锁模阈值功率300 mW,平均斜率效率18.3%,最大输出功率53.07 mW,对应最大输出脉冲能量3.2 nJ.锁模光脉冲中心波长1053.6 nm,3 dB带宽10.84 nm,重复频率16.45 MHz.锁模脉冲宽度为皮秒量级,经腔外光栅对压缩至188 fs.

关键词:

Abstract

Theory of the passively mode-locked Yb3+ doped fiber ring laser self-starting through spectral filter is presented. The all-fiber Yb3+ doped fiber ring laser generating ultrashort pulses are designed and fabricated. High concentration Yb3+ doped fiber was employed as gain medium, which was pumped by a 980 nm diode laser. In the all-normal-dispersion cavity, a spectral filter was spliced to reduce the large emission peak at 1030 nm of Yb3+ ion and to generate an additional pulse shaping through spectral filtering of chirped pulse. Self-starting and stable mode-locking centered at 1053 nm was achieved by nonlinear polarization evolution along with spectral filtering from the filter. The mode-locking threshold was 300 mW, with the slope efficiency of 18.3%, the maximum output power was 53.07 mW, corresponding to the maximum pulse energy of 3.2 nJ. The center wavelength of the mode-locked pulse was 1053.6 nm, with 3 dB bandwidth of 10.84 nm at the repetition rate of 16.45 MHz. The picosecond mode-locked pulse can be dechirped to 188 fs using grating pair outside the cavity.

Keywords:

作者及机构信息

1.
中国科学院上海光学精密机械研究所高功率与物理联合实验室,上海 201800

Authors and contacts

1.
National Laboratory on High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

参考文献

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[13]	Komarov A, Leblond H, Sanchez F 2005 Phys. Rev. A 71 053809
[14]	Chong A, Buckley J, Renninger W, Wise F 2006 Opt. Express 14 10095
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[16]	Anderson D, Desaix M, Lisak M, Quiroga-Teixeiro M L 1992 J. Opt. Soc. Am. B 9 1358
[17]	Buckley J, Chong A, Zhou S, Renninger W, Wise F W 2007 J. Opt. Soc. Am. B 24 1803
[18]	Agrawal G P(Translated by Jia D F et al) 2002 Nonlinear Fiber Optics & Applications of Nonlinear Fiber Optics (Beijing: Publishing House of Electronics Industry) pp26—31, pp64—71, pp132—140 (in Chinese )
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[20]	Chong A, Renninger W H, Wise F W 2008 J. Opt. Soc. Am. 25 140
[21]	Wang Y H, Ma C S, Li D L, Zheng J 2008 Acta Opt. Sin. 37 855 (in Chinese) [汪玉海、马春生、李德禄、郑杰 2008 光学学报 37 855]
[22]	Liu H G, Hu M L, Song Y J, Li Y F, Chai L, Wang C Y 2010 Chin. Phys. B 19 014215
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施引文献

[1]	Dawson J W, Liao Z M, Jovanovic I, Wattellier B, Beach R, Payne S A, Barty C P J 2003 UCRL-JC-152561
[2]	Dawson J W, Liao Z M, Mitchell S, Messerly M, Beach R, Jovanovic I, Brown C, Payne S, Barty C P J 2005 SPIE 5709 37
[3]	Huang X J, Liu Y Z, Sui Z, Li M Z, Li X, Lin H H, Wang J J 2006 Acta Phys. Sin. 55 1191 (in Chinese) [黄绣江、刘永智、隋展、李明中、李忻、林宏奂、王建军 2006 55 1191]
[4]	Yang L Z, Chen G F, Wang Y S, Zhao W, Ding G L, Xiong H J 2005 Chin. J. Lasers 32 153 (in Chinese) [杨玲珍、陈国夫、王屹山、赵卫、丁广雷、熊红军 2005 中国激光 32 153]
[5]	Lin H H, Lu Z H, Wang J J, Zhang Y, Wang F R, Xu D P, Zhang R, Li M Z, Deng Q H, Luo Y M, Tang J, Ding L 2008 Acta Phys. Sin. 57 5646 (in Chinese) [林宏奂、卢振华、王建军、张颖、王凤蕊、许党朋、张锐、李明中、邓青华、罗亦鸣、唐军、丁磊 2008 57 5646]
[6]	Lin H H, Sui Z, Li M Z, Wang J J 2006 High Power Laser and Particle Beams 18 825 (in Chinese) [林宏奂、隋展、李明中、王建军 2006 强激光与粒子束 18 825]
[7]	Prochnow O, Ruehl A, Schultz M, Wandt D, Kracht D 2007 Opt. Express 15 6889
[8]	Kieu K, Wise F W 2008 Opt. Express 16 11453
[9]	Michael S, Heike K, Oliver P, Doeter W, Uwe M, Dietmar K 2008 Opt. Express 16 19562
[10]	Luo Z C, Xu W C, Song C X, Luo A P, Chen W C 2009 Chin. Phys. B 18 1674
[11]	Bale B G, Kutz J N, Chong A, Renninger W H, Wise F W 2008 J. Opt. Soc. Am. B 25 1763
[12]	Ilday F , Buckley J R, Lim H, Wise F W, Clark W G 2003 Opt. Lett. 28 1365
[13]	Komarov A, Leblond H, Sanchez F 2005 Phys. Rev. A 71 053809
[14]	Chong A, Buckley J, Renninger W, Wise F 2006 Opt. Express 14 10095
[15]	Paschotta R, Nilsson J, Tropper A C, Hanna D C 1997 IEEE Journal of Quantum Electronics 33 1049
[16]	Anderson D, Desaix M, Lisak M, Quiroga-Teixeiro M L 1992 J. Opt. Soc. Am. B 9 1358
[17]	Buckley J, Chong A, Zhou S, Renninger W, Wise F W 2007 J. Opt. Soc. Am. B 24 1803
[18]	Agrawal G P(Translated by Jia D F et al) 2002 Nonlinear Fiber Optics & Applications of Nonlinear Fiber Optics (Beijing: Publishing House of Electronics Industry) pp26—31, pp64—71, pp132—140 (in Chinese )
[19]	Lei T, Tu C H, Li E B, Li Y N, Guo W G, Wei D, Zhu H, Lü F Y 2007 Acta Phys. Sin. 56 2769 (in Chinese) [雷霆、涂成厚、李恩邦、李勇男、郭文刚、魏岱、朱辉、吕福云 2007 56 2769]
[20]	Chong A, Renninger W H, Wise F W 2008 J. Opt. Soc. Am. 25 140
[21]	Wang Y H, Ma C S, Li D L, Zheng J 2008 Acta Opt. Sin. 37 855 (in Chinese) [汪玉海、马春生、李德禄、郑杰 2008 光学学报 37 855]
[22]	Liu H G, Hu M L, Song Y J, Li Y F, Chai L, Wang C Y 2010 Chin. Phys. B 19 014215
[23]	Ilday F , Buckley J R, Clark W G, Wise F W 2004 Phys. Rev.Lett. 92 213902

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