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利用非线性脉冲预整形实现脉冲快速自相似放大

王思佳 顾澄琳 刘博文 宋有建 钱程 胡明列 柴路 王清月

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利用非线性脉冲预整形实现脉冲快速自相似放大

王思佳, 顾澄琳, 刘博文, 宋有建, 钱程, 胡明列, 柴路, 王清月

Fast self-similar amplification through passive nonlinear pulse pre-shaping

Wang Si-Jia, Gu Cheng-Lin, Liu Bo-Wen, Song You-Jian, Qian Cheng, Hu Ming-Lie, Chai Lu, Wang Qing-Yue
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  • 报道了一种通过预先对信号光脉冲非线性整形, 进而在光纤放大器中实现自相似演化的方法. 利用透射光栅对和普通单模光纤组成被动脉冲整形装置, 预先优化脉冲的时域宽度和光谱质量, 使脉冲在光纤放大器中快速演化到自相似子. 研究中首先通过数值模拟对比, 说明了非线性整形对脉冲实现快速自相似放大的关键作用, 提高了放大器输出脉冲质量, 减小了去啁啾脉冲宽度. 实验中, 通过优化非线性整形输出, 在2.2 m 长的掺Yb3+光纤中, 在一定抽运功率范围内均实现了脉冲自相似放大, 去啁啾后得到脉冲宽度60 fs 的变换极限脉冲输出. 这种非线性脉冲预整形方法有效减小了 自相似演化所需光纤长度, 同时降低了自相似放大对种子源质量的要求, 首次将全正色散光纤锁模激光器成功用于自相似放大, 促进了当前自相似放大系统的全光纤化.
    A nonlinear pre-shaper which optimizes initial pulses for self-similar evolution in a following short fiber amplifier is demonstrated. It consists of a pair of transmission gratings and a segment of single mode fiber, by which pulses are shaped temporally and spectrally before amplification. To confirm the benefit of nonlinear pre-shaping for the self-similar evolution, pulse amplifications with and without the nonlinear pre-shaper are simulated. From comparison, pulses optimized by nonlinear pre-shaper show a shorter pulse duration, less pedestal and broader spectrum after amplification and compensation. With this optimization, the self-similar amplification can be realized in a 2.2-meter Yb3+-doped fiber in a large range of pump power, generating 60 fs transform-limited pulses after compression. This nonlinear pre-shaping method can efficiently shorten the fiber length and release the seed quality required for self-similar amplification. An all-normal dispersion mode-locked fiber laser is employed as the seed of a self-similar amplifier for the first time, thus facilitating an all-fiber system.
    • 基金项目: 国家重点基础研究发展计划(批准号: 2011CB808101, 2010CB327604); 国家自然科学基金(批准号: 61227010, 61008015, 61078028)和 教育部高等学校博士学科点专项科研基金(批准号: 20100032120057)资助的课题.
    • Funds: Project supported by the National Basic Research Program of China (Grant Nos. 2011CB808101, 2010CB327604), the National Natural Science Foundation of China (Grant Nos. 61227010, 61008015, 61078028), and the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20100032120057).
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    [2]

    Song Y J, Hu M L, Liu B W, Chai L, Wang Q Y, 2008 Acta Phys. Sin. 57 6425 (in Chinese) [宋有建, 胡明列, 刘博文, 柴路, 王清月 2008 物理学报 57 6425]

    [3]

    Liu B W, Hu M L, Song Y J, Chai L, Wang Q Y 2008 Acta Phys. Sin. 57 6921 (in Chinese) [刘博文, 胡明列, 宋有建, 柴路, 王清月 2008 物理学报 57 6921]

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    Deng Y, Chien C, Fidric G B, Kafka D J 2009 Opt. Lett. 34 3469

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    Shah L, Liu Z, Hartl I, Imeshev G, Cho G, Fermann M 2005 Opt. Express 13 4717

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    Zhou S, Kuznetsova L, Chong A, Wise F 2005 Opt. Express 13 4869

    [7]

    Xie C, Liu B, Niu H, Song Y, Li Y, Hu M, Zhang Y, Shen W, Liu X, Wang C 2011 Opt. Lett. 36 4149

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    Fermann E M, Kruglov I V, Thomsen C B, Dudley M J, Harvey D J 2000 Phys. Rev. Lett. 84 6010

    [9]

    Kruglov I V, Peacock C A, Harvey D J, Dudley M J 2002 J. Opt. Soc. Am. B 19 461

    [10]

    Chang Q G, Galvanauskas A, Winful G H, Norris B T 2004 Opt. Lett. 29 2647

    [11]

    Paschotta R, Nilsson J, Tropper C A, Hanna C D 1997 IEEE J. Quantum Electron. 33 1049

    [12]

    Finot C, Parmigiani F, Petropoulos P, Richardson J D 2006 Opt. Express 14 3161

    [13]

    Finot C, Provost L, Petropoulos P, Richardson J D 2007 Opt. Express 15 852

    [14]

    Oberthaler M, Hopfel A R 1993 Appl. Phys. Lett. 63 1017

    [15]

    Zaouter Y, Papadopoulos N D, Hanna M, Druon F, Cormier E, Georges P 2007 Opt. Express 15 9372

    [16]

    Fang X H, Hu M L, Song Y J, Xie C, Chai L, Wang Q Y 2011 Acta Phys. Sin. 60 064208 (in Chinese) [方晓惠, 胡明列, 宋有建, 谢辰, 柴路, 王清月 2011 物理学报 60 064208]

  • [1]

    Limpert J, Rser F, Schreiber T, Tnnermann A 2006 IEEE J. Sel. Top. Quantum Electron. 12 233

    [2]

    Song Y J, Hu M L, Liu B W, Chai L, Wang Q Y, 2008 Acta Phys. Sin. 57 6425 (in Chinese) [宋有建, 胡明列, 刘博文, 柴路, 王清月 2008 物理学报 57 6425]

    [3]

    Liu B W, Hu M L, Song Y J, Chai L, Wang Q Y 2008 Acta Phys. Sin. 57 6921 (in Chinese) [刘博文, 胡明列, 宋有建, 柴路, 王清月 2008 物理学报 57 6921]

    [4]

    Deng Y, Chien C, Fidric G B, Kafka D J 2009 Opt. Lett. 34 3469

    [5]

    Shah L, Liu Z, Hartl I, Imeshev G, Cho G, Fermann M 2005 Opt. Express 13 4717

    [6]

    Zhou S, Kuznetsova L, Chong A, Wise F 2005 Opt. Express 13 4869

    [7]

    Xie C, Liu B, Niu H, Song Y, Li Y, Hu M, Zhang Y, Shen W, Liu X, Wang C 2011 Opt. Lett. 36 4149

    [8]

    Fermann E M, Kruglov I V, Thomsen C B, Dudley M J, Harvey D J 2000 Phys. Rev. Lett. 84 6010

    [9]

    Kruglov I V, Peacock C A, Harvey D J, Dudley M J 2002 J. Opt. Soc. Am. B 19 461

    [10]

    Chang Q G, Galvanauskas A, Winful G H, Norris B T 2004 Opt. Lett. 29 2647

    [11]

    Paschotta R, Nilsson J, Tropper C A, Hanna C D 1997 IEEE J. Quantum Electron. 33 1049

    [12]

    Finot C, Parmigiani F, Petropoulos P, Richardson J D 2006 Opt. Express 14 3161

    [13]

    Finot C, Provost L, Petropoulos P, Richardson J D 2007 Opt. Express 15 852

    [14]

    Oberthaler M, Hopfel A R 1993 Appl. Phys. Lett. 63 1017

    [15]

    Zaouter Y, Papadopoulos N D, Hanna M, Druon F, Cormier E, Georges P 2007 Opt. Express 15 9372

    [16]

    Fang X H, Hu M L, Song Y J, Xie C, Chai L, Wang Q Y 2011 Acta Phys. Sin. 60 064208 (in Chinese) [方晓惠, 胡明列, 宋有建, 谢辰, 柴路, 王清月 2011 物理学报 60 064208]

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  • PDF下载量:  796
  • 被引次数: 0
出版历程
  • 收稿日期:  2013-01-15
  • 修回日期:  2013-03-27
  • 刊出日期:  2013-07-05

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