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基于固体介质的倍频程连续光谱产生的研究进展

赵昆 许思源 江昱佼 高亦谈 刘阳阳 何鹏 滕浩 朱江峰 魏志义

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基于固体介质的倍频程连续光谱产生的研究进展

赵昆, 许思源, 江昱佼, 高亦谈, 刘阳阳, 何鹏, 滕浩, 朱江峰, 魏志义

Research progress on octave supercontinuum generation in solid medium

Zhao Kun, Xu Si-Yuan, Jiang Yu-Jiao, Gao Yi-Tan, Liu Yang-Yang, He Peng, Teng Hao, Zhu Jiang-Feng, Wei Zhi-Yi
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  • 超快激光经过透明介质时由于非线性作用光谱会得到展宽,甚至能够产生超过一个倍频程的相干超连续光谱,这样的光源能够压缩得到几个甚至单个光周期的超短脉冲,并在现代超快科学的各个领域得到了广泛应用.实验中已经在气体、液体和固体中都观测到了光谱的展宽,目前较为成熟的方法是使用充满惰性气体的空芯光纤和具有高非线性效应的固体材料展宽光谱.但空芯光纤由于芯径限制无法用于高能量激光脉冲的光谱展宽,而固体材料又容易被高功率密度的脉冲激光损坏.随着激光技术的发展其脉冲能量不断提高,一种新的、利用多片薄固体介质实现光谱展宽的方式被提出.多片薄的非线性介质可以实现光谱展宽的逐片累积,而且避免了激光在介质中因自聚焦产生过高功率密度带来的损坏.目前使用这种方法已经在实验上得到了近毫焦尔量级的倍频程光谱,覆盖了近紫外到中红外的整个区域,并实现了脉冲压缩.本文简要回顾了超快激光在固体中光谱展宽的发展历程,概述了新型薄片固态介质产生超连续光谱的原理,对近年来使用此新方法的实验进行了简要分析,并对其发展前景进行了展望.
    When a short laser pulse passes through transparent medium, the spectrum may be broadened due to nonlinear optical effects, and a coherent octave supercontinuum may be generated under certain conditions. Such a supercontinuum may be compressed into a femtosecond few-cycle pulse, which has many applications in ultrafast optics and beyond. Spectral broadening has been achieved experimentally in gases, liquids, and solids. Current mainstream technique of supercontinuum generation is to send multi-cycle femtosecond pulses through inert-gas-filled hollow-core fibers. However, due to the limitation of the core diameter, the hollow-core fiber cannot work with high-energy laser pulses. With a much higher nonlinear index of refraction, solid-state material is naturally a more promising candidate for supercontinuum generation, but it is difficult to obtain a near-octave spectrum in one piece of solid without filamentation. The optical Kerr effect in solids triggers self-phase modulation (SPM) which induces desired spectral broadening as well as self-focusing, thus causing the laser intensity to rise drastically with substaintial multiphoton excitation and ionization leading to plasma formation. This behavior results in filamentation and optical breakdown, and eventually permanent damage to the material occurs if the laser pulse energy is high enough. Using a thin plate of dielectrics may minimize the effect of self-focusing-the beam exits from the nonlinear medium before it starts to shrink and causes damage. However, one thin plate does not provide enough nonlinear effect to generate a broad spectrum. To prevent disastrous self-focusing while achieving spectral broadening, using multiple Kerr elements has been proposed theoretically and demonstrated experimentally at microjoule to millijoule level. In such a configuration, a femtosecond laser pulse is being spectrally broadened via SPM in the thin plates, while self-focusing converges the beam in each plate but the focal spot is located outside the plate. Once the converging beam passes through its focal spot in air, the beam diverges and enters the next plate to repeat this process until the spectral broadening stops after several elements. Using this method, octave supercontinuum with energies at microjoule to millijoule level has been experimentally obtained in a spectral range covering near-ultraviolet to mid-infrared. In this paper, we review the development of supercontinuum generation in multiple thin solid plates, outline the principle of supercontinuum generation in this new type of thin solid medium, brief the experiments using this new method in recent years, and look into the prospects for its development.
      通信作者: 魏志义, zywei@iphy.ac.cn
    • 基金项目: 国家自然科学基金重大项目(批准号:61690221)、国家自然科学基金重点项目(批准号:11434016)、国家自然科学基金(批准号:11574384,11674386)、国家重点研发计划(批准号:2017YFB0405202)、中国科学院仪器研制项目(批准号:YZ201658)、中国科学院前沿科学重点研究计划(批准号:QYZDJ-SSW-JSC006)和中国科学院战略性先导科技专项(B类)(批准号:XDB16030200)资助的课题.
      Corresponding author: Wei Zhi-Yi, zywei@iphy.ac.cn
    • Funds: Project supported by the Major Program of the National Natural Science Foundation of China (Grant No. 61690221), the Key Program of the National Natural Science Foundation of China (Grant No. 11434016), the National Natural Science Foundation of China (Grant Nos. 11574384, 11674386), the National Key RD Program of China (Grant No. 2017YFB0405202), the Instrument Developing Project of the Chinese Academy of Sciences (Grant No. YZ201658), the Frontier Science Key Research Project of the Chinese Academy of Sciences (Grant No. QYZDJ-SSW-JSC006), and the Strategic Priority Research Program (B) of Chinese Academy of Sciences (Grant No. XDB16030200).
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  • [1]

    Nisoli M, de Silvestri S, Svelto O, Szipcs R, Ferencz K, Spielmann Ch, Sartania S, Krausz F 1997 Opt. Lett. 22 522

    [2]

    Shimizu F 1967 Phys. Rev. Lett. 19 1097

    [3]

    Bradler M, Baum P, Riedle E 2009 Appl. Phys. B 97 561

    [4]

    Bohman S, Suda A, Kanai T, Yamaguchi S, Midorikawa K 2010 Opt. Lett. 35 1887

    [5]

    Brabec T, Krausz F 2000 Rev. Mod. Phys. 72 545

    [6]

    Zhang W, Teng H, Yun C X, Zhong X, Hou X, Wei Z Y 2010 Chin. Phys. Lett. 27 054211

    [7]

    Zhan M J, Ye P, Teng H, He X K, Zhang W, Zhong S Y, Wang L F, Yun C X, Wei Z Y 2013 Chin. Phys. Lett. 30 093201

    [8]

    Chini M, Zhao K, Chang Z 2014 Nat. Photon. 8 178

    [9]

    Mashiko H, Nakamura C M, Li C, Moon E, Wang H, Tackett J, Chang Z 2007 Appl. Phys. Lett. 90 161114

    [10]

    Yin Y, Li J, Ren X, Zhao K, Wu Y, Cunningham E, Chang Z 2016 Opt. Lett. 41 1142

    [11]

    Bradler M, Riedle E 2014 J. Opt. Soc. Am. B 31 1465

    [12]

    Jones D J, Diddams S A, Ranka J K, Stentz A, Windeler R S, Hall J L, Cundiff S T 2000 Science 288 635

    [13]

    Humbert G, Wadsworth W J, Leon-Saval S G, Knight J C, Birks T A, Russell P S J, Lederer M J, Kopf D, Wiesauer K, Breuer E I, Stifter D 2006 Opt. Express 14 1596

    [14]

    Rolland C, Corkum P B 1988 J. Opt. Soc. Am. B 5 641

    [15]

    Dubietis A, Tamoauskas G,uminas R, Jukna V, Couairon A 2017 Lithuanian J. Phys. 57 113

    [16]

    Silva F, Austin D, Thai A, Baudisch M, Hemmer M, Faccio D, Couairon A, Biegert J 2012 Nat. Commun. 3 807

    [17]

    Hemmer M, Baudisch M, Thai A, Couairon A, Biegert J 2013 Opt. Express 21 28095

    [18]

    Lanin A A, Voronin A A, Stepanov E A, Fedotov A B, Zheltikov A M 2015 Opt. Lett. 40 974

    [19]

    Liang H, Krogen P, Grynko R, Novak O, Chang C L, Stein G J, Weerawarne D, Shim B, Krtner F X, Hong K H 2015 Opt. Lett. 40 1069

    [20]

    Couairon A, Mysyrowicz A 2007 Phys. Rep. 441 47

    [21]

    Shumakova V, Malevich P, Aliauskas S, Voronin A, Zheltikov A M, Faccio D, Kartashov D, Baltuka A, Pugžlys A 2016 Nat. Commun. 7 12877

    [22]

    Petrov V, Rudolph W, Wilhelmi B 1989 J. Mod. Opt. 36 587

    [23]

    Krebs N, Pugliesi I, Riedle E 2013 Appl. Sci. 3 153

    [24]

    Vlasov S N, Koposova E V, Yashin V E 2012 Quantum Electron. 42 989

    [25]

    Lu C, Tsou Y, Chen H, Chen B, Cheng Y, Yang S, Chen M, Hsu C, Kung A 2014 Optica 1 400

    [26]

    He P, Liu Y Y, Zhao K, Teng H, He X K, Huang P, Huang H D, Zhong S Y, Jiang Y J, Fang S B, Hou X, Wei Z Y 2017 Opt. Lett. 42 474

    [27]

    Alfano R R, Shapiro S L 1970 Phys. Rev. Lett. 24 592

    [28]

    Yang G, Shen Y R 1984 Opt. Lett. 9 510

    [29]

    Rothenberg J E 1992 Opt. Lett. 17 1340

    [30]

    Gustafson T K, Taran J P, Haus H A, Lifsitz J R, Kelley P L 1969 Phys. Rev. 177 306

    [31]

    Siegman A 1986 Lasers (Sausalito:University Science Books) Ch. 10

    [32]

    Fork R L, Shank C V, Hirlimann C, Yen R, Tomlinson W J 1983 Opt. Lett. 8 1

    [33]

    Alfano R R 2016 The Supercontinuum Laser Source (3rd Ed.) (New York:Springer)

    [34]

    Centurion M, Porter M A, Kevrekidis P G, Psaltis D 2006 Phys. Rev. Lett. 97 033903

    [35]

    Voronin A A, Zheltikov A M, Ditmire T, Rus B, Korn G 2013 Opt. Commun. 291 299

    [36]

    Cheng Y C, Lu C H, Lin Y Y, Kung A H 2016 Opt. Express 24 7224

    [37]

    Seidel M, Arisholm G, Brons J, Pervak V, Pronin O 2016 Opt. Express 24 9412

    [38]

    Sweetser J N, Fittinghoff D N, Trebino R 1997 Opt. Lett. 22 519

    [39]

    Liu Y Y, Zhao K, He P, Huang H D, Teng H, Wei Z Y 2017 Chin. Phys. Lett. 34 074204

    [40]

    Beetar J E, Gholam-Mirzaei S, Chini M 2018 Appl. Phys. Lett. 112 051102

    [41]

    Budriūnas R, Kučinskas D, Varanavičius A 2017 Appl. Phys. B 123 212

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  • 文章访问数:  5422
  • PDF下载量:  246
  • 被引次数: 0
出版历程
  • 收稿日期:  2018-04-16
  • 修回日期:  2018-05-09
  • 刊出日期:  2019-06-20

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