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Properties of nonlinear microstructured fiber fabricated in our laboratory are theoretically analyzed using the finite element method. This fiber has a high nonlinearity and phase matching for the dispersion wave generation. To achieve all-fiber nonlinearity in microstructured fiber, the dependence of dispersion wave on the pump power is investigated. When changing the pump power at 1032 nm with a femtosecond fiber laser, the near-infrared dispersion waves cover a region from 753 to 789 nm. The central wavelength and bandwidths alter obviously, and the fiber length has a remarkable impact on pulse broadening and frequency spectrum. Results coincide with the analyses. These results could be a reference for all-fiber nonlinearity of microstructured fiber, and lay a foundation for biological and medical applications, especially some researches on the near-infrared source for nonlinear light microscopy.
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Keywords:
- microstructure fiber /
- dispersion wave /
- nonlinearity /
- near-infrared
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[1] Russell P ST J 2003 Science 299 5605
[2] Knight J C 2003 Nature 424 01940
[3] Yuan J H, Sang X Z, Wu Q, Yu C X, Farrell G 2013 Laser Phys. Lett. 10 045405
[4] Yuan J H, Sang X Z, Wu Q, Yu C X, Shen X W, Wang K R, Yan B B, Han Y, Zhou G Y, Semenova Y, Farrell G, Hou L T 2013 Opt. Commun. 291 317
[5] Shen X W, Yu C X, Sang X Z, Yuan J H, Han Y, Xia C M, Hou L T, Rao L, Xia M, Yin X L 2012 Acta Phys. Sin. 61 044203 (in Chinese) [申向伟, 余重秀, 桑新柱, 苑金辉, 韩颖, 夏长明, 侯蓝田, 饶岚, 夏民, 尹霄丽 2012 物理学报 61 044203]
[6] Liu X X, Wang S T, Zhao X T, Chen S, Zhou G Y, Wu X J, Li S G, Hou L T 2014 Spectrosc. Spectral Analy. 34 1460 (in Chinese) [刘晓旭, 王书涛, 赵兴涛, 陈爽, 周桂耀, 吴希军, 李曙光, 侯蓝田 2014 光谱学与光谱分析 34 1460]
[7] Pureur V, Dudley J M 2011 Opt. Commun. 284 1661
[8] Wang W B, Yang H, Tang P H, Han F 2013 Acta Phys. Sin. 62 184202 (in Chinese) [王威彬, 杨华, 唐平华, 韩芳 2013 物理学报 62 184202]
[9] Zhao X T, Zheng Y, Liu Z L, Li S G, Hou L T 2012 Acta Phys. Sin. 61 194210 (in Chinese) [赵兴涛, 郑义, 刘晓旭, 刘兆伦, 李曙光, 侯蓝田 2012 物理学报 61 194210]
[10] Shen X W, Yuan J H, Sang X Z, Yu C X, Rao L, Xia M, Han Y, Xia C M, Hou L T 2012 Chin. Phys. B 21 114102
[11] Liu X M, Lægsgaard J, Møller U, Tu H H, Boppart S A, Turchinovich D 2012 Opt. Lett. 37 2769
[12] Zhao X T, Zheng Y, Han Y, Zhou G Y, Hou Z Y, Shen J P, Wang C, Hou L T 2013 Acta Phys. Sin. 62 064215 (in Chinese) [赵兴涛, 郑义, 韩颖, 周桂耀, 侯峙云, 沈建平, 王春, 侯蓝田 2013 物理学报 62 064215]
[13] Horton N G, Wang K, Kobat D, Clark C G, Wise F W, Schaffer C B, Xu C 2013 Nat. Photonics 7 205
[14] Wang M, Li C Y, Sun Y F, Li M, Zhai X M, Wu D M 2013 Acta. Opt. Sin. 33 0617003 (in Chinese) [王懋, 李春炎, 孙云飞, 李敏, 翟晓敏, 吴东岷 2013 光学学报 33 0617003]
[15] Chen Y P, Li C B, Wang X L, Chu Q W, Long Z D 2014 J. Optoelectronics · Laser 25 1023 (in Chinese) [陈延平, 李纯彬, 王晓玲, 储茜雯, 龙朱蒂 2014 光电子 25 1023]
[16] Chen C B, Zhao M 2012 Organ Tran. 3 283 (in Chinese) [陈传宝, 赵明 2012 器官移植 3 283]
[17] Chan M C, Lien C H, Lu J Y, Lyu B H 2014 Opt. Express 22 9498
[18] Tsai M T, Chan M C 2014 Opt. Lett. 39 865
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