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超连续谱光源在众多科学领域具有广泛而重要的应用, 近年来一直是国际研究热点. 回顾了利用连续光激光器和脉冲光激光器抽运光子晶体光纤产生超连续谱光源的形成机制以及近几年来两种机制下高功率超连续谱光源所取得的进展, 分析了在提高超连续谱光源输出平均功率过程中需要克服的难题. 报道了国防科学技术大学通过优化超连续谱光源的整体结构, 攻克了低损耗熔接、光纤端面抗损伤、热处理以及非线性效应的有效控制等关键技术, 成功研制出一种全光纤结构、输出平均功率为177.6 W的超连续谱光源, 光谱范围覆盖10642000 nm, 10 dB光谱带宽约740 nm, 光-光转换效率高达56%, 功率水平为国际领先.Supercontinuum has wide and important applications in a range of fields, so it is one of the hot research spots in recent years. In this paper the mechanism and the latest achievements in high power supercontinuum generation under continuous wave laser pump and pulsed laser pump regimes during the past several years are reviewed. The challenges and the problems that need to overcome in scaling the average output power of supercontinuum generation are analyzed. An all-fiber supercontinuum source constructed at the national university of defense technology is demonstrated with 177.6 W average output power which overcomes the problems of low splicing loss, facet damage of the output fiber, the heat treatment and the effective control of the nonlinear effects through the optimization of the whole system. To the best of the author's knowledge, the 177.6 W average output power is the highest value in ever reported ones.
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Keywords:
- fiber laser /
- supercontinuum /
- photonic crystal fiber
[1] Govind P A 2009 Nonlinear Fiber Optics (4th Ed.) (Singapore:Elsevier Pte. Ltd.) p13
[2] Alfano R R, Shapiro S L 1970 Phys. Rev. Lett. 24 584
[3] Alfano R R, Shapiro S L 1970 Phys. Rev. Lett. 24 592
[4] Knight J C, Birks T A, Russell P S J, Atkin D M 1996 Opt. Lett.21 1547
[5] Jonathan C K 2003 Nature 424 847
[6] Philip R 2003 Science 299 358
[7] WadsworthWJ, Joly N, Knight J C, Birks T, Biancalana F, RussellP 2004 Opt. Express 12 299
[8] Hsiung P L, Chen Y, Ko T H, Fujimoto J G, de Matos C J S, PopovS V, Taylor J R, Gapontsev V P 2004 Opt. Express 12 5287
[9] Cumberland B A, Travers J C, Popov S V, Taylor J R 2008 Opt.Express 16 5954
[10] Udem T, Holzwarth R, Hänsch T W 2002 Nature 416 233
[11] Diddams S A, Bergguist J C, Jefferts S R, Qates CW2004 Science306 1318
[12] Cumberland B A, Travers J C, Popov S V, Taylor J R 2008 Opt.Lett. 33 2122
[13] Cumberland B A, Travers J C, Popov S V, Taylor J R 2008 Opt.Express 16 5954
[14] Kudlinski A, Mussot A 2008 Opt. Lett. 33 2407
[15] Travers J C, Rulkov A B, Cumberland B A, Popov S V, Taylor J R2008 Opt. Express 16 14435
[16] Chen K K, Alam S, Price J H V, Hayes J R, Lin D J, MalinowskiA, Codemard C, Ghosh D, Pal M, Bhadra S K, Richardson D J2010 Opt. Express 18 5426
[17] Hu X H, Zhang W, Yang Z,Wang Y S, Zhao W, Li X H 2011 Opt.Lett. 36 2659
[18] Chen S P, Chen H W, Hou J, Liu Z J 2009 Opt. Express 17 24008
[19] Chen Z L, Xiong C L, Xiao L M, William W, Timothy B 2009Opt. Lett. 34 2240
[20] Chen S P,Wang J H, ChenHW, Chen Z L,Hou J,Xu X J, Chen JB, Liu Z J 2010 Chin. J. Laser 37 3018 (in Chinese) [陈胜平, 王建华, 谌鸿伟, 陈子伦, 侯静, 许晓军, 陈金宝, 刘泽金 2010 中国激光 37 3018]
[21] Song R, Chen S P, Hou J, Lu Q S 2011 High Power Laser andParticle Beams 23 569 (in Chinese) [宋锐, 陈胜平, 侯静,陆启生 2011 强激光与粒子束 23 569]
[22] Jay W D, Michael J M, Raymond J B, Miroslav Y S, Eddy A S,Arun K S, Paul H P, John E H, Craig W S 2008 Opt. Express 1613240
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[1] Govind P A 2009 Nonlinear Fiber Optics (4th Ed.) (Singapore:Elsevier Pte. Ltd.) p13
[2] Alfano R R, Shapiro S L 1970 Phys. Rev. Lett. 24 584
[3] Alfano R R, Shapiro S L 1970 Phys. Rev. Lett. 24 592
[4] Knight J C, Birks T A, Russell P S J, Atkin D M 1996 Opt. Lett.21 1547
[5] Jonathan C K 2003 Nature 424 847
[6] Philip R 2003 Science 299 358
[7] WadsworthWJ, Joly N, Knight J C, Birks T, Biancalana F, RussellP 2004 Opt. Express 12 299
[8] Hsiung P L, Chen Y, Ko T H, Fujimoto J G, de Matos C J S, PopovS V, Taylor J R, Gapontsev V P 2004 Opt. Express 12 5287
[9] Cumberland B A, Travers J C, Popov S V, Taylor J R 2008 Opt.Express 16 5954
[10] Udem T, Holzwarth R, Hänsch T W 2002 Nature 416 233
[11] Diddams S A, Bergguist J C, Jefferts S R, Qates CW2004 Science306 1318
[12] Cumberland B A, Travers J C, Popov S V, Taylor J R 2008 Opt.Lett. 33 2122
[13] Cumberland B A, Travers J C, Popov S V, Taylor J R 2008 Opt.Express 16 5954
[14] Kudlinski A, Mussot A 2008 Opt. Lett. 33 2407
[15] Travers J C, Rulkov A B, Cumberland B A, Popov S V, Taylor J R2008 Opt. Express 16 14435
[16] Chen K K, Alam S, Price J H V, Hayes J R, Lin D J, MalinowskiA, Codemard C, Ghosh D, Pal M, Bhadra S K, Richardson D J2010 Opt. Express 18 5426
[17] Hu X H, Zhang W, Yang Z,Wang Y S, Zhao W, Li X H 2011 Opt.Lett. 36 2659
[18] Chen S P, Chen H W, Hou J, Liu Z J 2009 Opt. Express 17 24008
[19] Chen Z L, Xiong C L, Xiao L M, William W, Timothy B 2009Opt. Lett. 34 2240
[20] Chen S P,Wang J H, ChenHW, Chen Z L,Hou J,Xu X J, Chen JB, Liu Z J 2010 Chin. J. Laser 37 3018 (in Chinese) [陈胜平, 王建华, 谌鸿伟, 陈子伦, 侯静, 许晓军, 陈金宝, 刘泽金 2010 中国激光 37 3018]
[21] Song R, Chen S P, Hou J, Lu Q S 2011 High Power Laser andParticle Beams 23 569 (in Chinese) [宋锐, 陈胜平, 侯静,陆启生 2011 强激光与粒子束 23 569]
[22] Jay W D, Michael J M, Raymond J B, Miroslav Y S, Eddy A S,Arun K S, Paul H P, John E H, Craig W S 2008 Opt. Express 1613240
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