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搭建了基于反射型体光栅和半导体可饱和吸收镜的线型腔全正色散掺镱光纤激光器, 室温下实现了稳定的波长可连续调谐的连续被动锁模脉冲输出. 重复频率16.42 MHz, 锁模脉冲中心波长1030 nm时, 脉冲光谱带宽0.32 nm, 最大平均输出功率10.2 mW, 单脉冲能量0.63 nJ. 转动体光栅角度, 利用其分光谱和选波长的特性, 可使锁模脉冲的中心波长在约1011.91050.6 nm的范围内调谐, 调谐范围约38.7 nm. 实验中亦可观察到调Q锁模、二次谐波锁模、双波长和三波长输出现象. 输出单波长锁模脉冲时, 由于其波长可调谐的特性, 该激光器可用作波分复用/光时分复用通信系统的光源和光学相干层析的调谐光源.The linear-cavity all-normal-dispersion Yb-doped fiber laser based on semiconductor saturable absorber mirror and reflection type volume Bragg grating (VBG) is demonstrated. A passively mode-locked pulse stable output with a 0.32 nm spectral bandwidth, a 10.2 mW maximum average output power, a single pulse energy of 0.63 nJ and a 16.42 MHz repetition rate is achieved, when the central wavelength of pulse is 1030 nm. The central wavelength of the pulse can be tuned approximately from 1011.9 nm to 1050.6 nm by the spectral separation and mode selection effect of VBG with a tuning range of 38.7 nm at room temperature. Q-switched, second harmonic mode-locked, simultaneous dual wavelength and triple wavelength output are observed. This mode-locked fiber laser can be used as the optical source in wave division multiplexing optical time division multiplexing communication system and optical source of optical coherence tomography due to its tunable wavelength.
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Keywords:
- laser /
- wavelength-tunable /
- semiconductor saturable absorber mirror /
- volume Bragg grating
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[1] Guo Y J, Sun J Q, Wang J, Li J 2007 Acta Phys. Sin. 56 4602 (in Chinese) [郭永娟, 孙军强, 王健, 李婧 2007 56 4602]
[2] Li Y J 2010 Ph. D. Dissertation (Tianjin: Tianjin University) (in Chinese) [李艳军 2010 博士学位论文 (天津: 天津大学)]
[3] Song C X, Xu W C, Luo Z C, Chen W C, Gao Y X, Liu S H 2009 Acta Opt. Sin. 29 1292 (in Chinese) [宋创兴, 徐文成, 罗智超, 陈伟成, 高玉欣, 刘颂豪 2009 光学学报 29 1292]
[4] Liu Y G, Zhang C S, Sun T T, Lu Y F, Wang Z, Yuan S Z, Kai G Y, Dong X Y 2006 Acta Phys. Sin. 55 4769 (in Chinese) [刘艳格, 张春书, 孙婷婷, 鲁云飞, 王志, 袁树忠, 开桂云, 董孝义 2006 55 4769]
[5] Ouyang C M, Chai L, Zhao H, Hu M L, Song Y J, Wang Q Y 2010 Acta Phys. Sin. 59 3936 (in Chinese) [欧阳春梅, 柴璐, 赵慧, 胡明列, 宋有建, 王清月 2010 59 3936]
[6] Chen N K, Lin J W, Liu F Z, Liao S K 2010 IEEE Photon. Technol. Lett. 22 700
[7] Kivistö S, Hakulinen T, Guina M, Okhotnikov O G 2007 IEEE Photon. Technol. Lett. 19 934
[8] Qin G S, Suzuki T, Ohishi Y 2010 Opt. Rev. 17 97
[9] Zhang C, Hu M L, Song Y J, Zhang X, Chai L, Wang Q Y 2009 Acta Phys. Sin. 58 7727 (in Chinese) [张弛, 胡明列, 宋有建, 张鑫, 柴璐, 王清月 2009 58 7727]
[10] Zhang P Z, Fan W, Wang X C, Lin Z Q 2011 Acta Phys. Sin. 60 024205 (in Chinese) [张攀政, 范薇, 汪小超, 林尊琪 2011 60 024205]
[11] Li Z, Zhao W, Zhang W, Chen G F, Wang Y S 2009 Acta Photon. Sin. 38 1 (in Chinese) [李喆, 赵卫, 张伟, 陈国夫, 王屹山 2009 光子学报 38 1]
[12] Zhang S M, Meng Q S, Zhao G Z 2010 Eur. Phys. J. D 60 383
[13] Kivistö S, Herda R, Okhotnikov O G 2008 IEEE Photon. Technol. Lett. 20 51
[14] Sotobayashi H, Gopinath J T, Koontz E M, Kolodziejski L A, Ippen E P 2004 Opt. Commun. 237 399
[15] Wang F, Shen D Y, Fan D Y, Lu Q S 2010 Laser Phys. Lett. 7 450
[16] Liu D F, Wang C H 2010 Laser Phys. Lett. 7 153
[17] McComb T S, Shah L, Sims R A, Sudesh V, Richardson M 2010 Proceedings of the SPIE—The International Society for Optical Engineering, 2010 v7580, p75801F
[18] Zeil P, Laurell F 2011 Opt. Express 19 13940
[19] Wang F, Shen D Y, Fan D Y, Lu Q S 2010 Opt. Lett. 35 2388
[20] Hönninger C, Paschotta R, Genoud F M, Moser M, Keller U 1999 J. Opt. Soc. Am. B 16 46
[21] Paschotta R, Keller U 2001 Appl. Phys. B 73 652
[22] Bai Y B, Xiang W H, Zu P, Shi X Z, Zhang G Z 2011 Chin. J. Lasers 38 1102004-1 (in Chinese) [白扬博, 向望华, 祖鹏, 师晓宙, 张贵忠 2011 中国激光 38 1102004-1]
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