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Long length of whispering-gallery-mode fiber lasing emission along a fiber's axis is obtained by using the method of evanescence-wave optically pumped and gain coupled fiber laser. The relationship between produced length of lasing emission and pumping energy has been investigated. With the increasing of pumping energy, it is found from our experiment that the length of whispering-gallery-mode lasing emission along the fiber's axis is increased sharply, when the pumping energy is just larger than the threshold energy. However, the increasing trend of the produced length is slow when the pumping energy is much larger than the threshold energy. It was also found from the experiment that both dye concentration and refractive index of cladding gain solution have key affects on the produced length. Based on the characteristic of frustrated totally internal reflection of light traveling along the fiber, and the theory of evanescence-wave pumped and gain coupled fiber laser, an equation determining the produced length of lasing emission has been deduced, the calculated result with the equation matches the experimental data very well.
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Keywords:
- whispering gallery mode /
- frustrated totally internal reflection /
- evanescent field /
- produced length of lasing emission
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[14] Pu X Y, Jiang N, Bai R Xiang W L,Zhang Y X, Han D Y 2009 Chinese Patent 200810058304.8[普小云、江 楠、白 然、向文丽、张远宪、韩德昱 2009 中国发明专利200810058304.8]
[15] Pu X Y, Bai R, Xiang W L, Du F, Jiang N 2009 Acta Phys. Sin. 58 3923 (in Chinese) [普小云、 白 然、 向文丽、 杜 飞、 江 楠 2009 58 3923]
[16] Monat C, Domachuk P, Eggleton B J 2007 Nature Photonics 1 106
[17] Psaltis D, Quake S R, Yang C H 2007 Nature 442 381
[18] Djiafar K M, Lowell L S 2002 Fibre-Optic Communications Technology (Beijing: Science Press) 2002, 106—108
[19] Yang R, Yu W H, Bao Y, Zhang Y X, Pu X Y 2008 Acta Phys. Sin. 57 6412 (in Chinese) [杨 睿、 於文华、 鲍 洋、 张远宪、 普小云 2008 57 6412]
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[1] Moon H J, Choung Y T, An K 2000 Phys. Rev. Lett. 85 3161
[2] Kazes M, Lewis D Y, Ebenstein Y, Mokari T, Banin U 2002 Adv. Mater 14 317
[3] Moon H J, Park G W, Lee S B, An K, Lee J H 2004 Appl. Phys. Lett. 84 4547
[4] Chen N K, Zhang L Y, Hsu K C, Hu L L, Chi S, Lai Y C, Tseng S M, Shy J T 2006 Jpn. J. Appl. Phys. 45 6328
[5] Fujiwarra H, Sasaki K 1999 Jpn. J. Appl. Phys. 28 5101
[6] Choi Y S, Moon H J, An K Y, Lee S B, Lee J H, Chang J S 2001 J. Korean Phys. Soc. 39 928
[7] Li Y M, Liu Q, Tian X T, Zhang K S 2009 Chin. Phys. B 18 2324
[8] Wu Y, Yang X 2001 J. Phys. B 34 2281
[9] Shevchenko A, Lindfors K, Buchter S C, Kaivola M 2005 Opt. Commun. 245 349
[10] Jiang X, Song Q, Xu L, Fu J, Tong L 2007 Appl. Phys. Lett. 90 233501
[11] Chen W, Du X Y, Ren G, Wang K, Xing M X, Zhang Y J, Zheng W H 2009 Acta Phys. Sin. 58 3955 (in Chinese) [陈 微、 杜晓宇、 任 刚、 王 科、 邢名欣、 张冶金、 郑婉华 2009 58 3955]
[12] Xu D 2009 Acta Phys. Sin. 58 2781 (in Chinese)[徐 登 [13] Pu X Y, Jiang N, Han D Y, Feng Y L, Ren Y T 2010 Chin. Phys. B 90 054207
[13] Zhang Y X, Pu X Y, Zhu K, Han D Y, Jiang N 2009 Acta Phys. Sin. 58 3179 (in Chinese) [张远宪、 普小云、 祝昆、 韩德昱、 江 楠 2009 58 3179]
[14] Pu X Y, Jiang N, Bai R Xiang W L,Zhang Y X, Han D Y 2009 Chinese Patent 200810058304.8[普小云、江 楠、白 然、向文丽、张远宪、韩德昱 2009 中国发明专利200810058304.8]
[15] Pu X Y, Bai R, Xiang W L, Du F, Jiang N 2009 Acta Phys. Sin. 58 3923 (in Chinese) [普小云、 白 然、 向文丽、 杜 飞、 江 楠 2009 58 3923]
[16] Monat C, Domachuk P, Eggleton B J 2007 Nature Photonics 1 106
[17] Psaltis D, Quake S R, Yang C H 2007 Nature 442 381
[18] Djiafar K M, Lowell L S 2002 Fibre-Optic Communications Technology (Beijing: Science Press) 2002, 106—108
[19] Yang R, Yu W H, Bao Y, Zhang Y X, Pu X Y 2008 Acta Phys. Sin. 57 6412 (in Chinese) [杨 睿、 於文华、 鲍 洋、 张远宪、 普小云 2008 57 6412]
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