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A novel microstructured-core optical fiber with large mode area and flat-topped mode field distribution is proposed. The core of the fiber is composed of high refractive index dielectric cylinders with a non-uniform distribution. Numerical simulation on the mode area, mode field distribution of the fundamental mode and other aspects of the fiber indicates that the fiber can effectively obtain flat-topped mode field distribution by tuning the parameters of the cladding and the core of the fiber. In addition, the flat-topped fiber has a large mode area of 1655 μm2 at the operating wavelength of 1064 nm.
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Keywords:
- large mode area /
- flat-topped fiber /
- microstructured core /
- numerical simulation
[1] Yi J, Lee K, Park I, Kwon J H 2009 J. Opt. Soc. Korea 13 146
[2] Zhou Q L, Lu X Q, Qiu J R, Chen D P, Jiang X W, Zhu C S 2005 Chin. Opt. Lett. 3 686
[3] Zhou Q L, Lu X Q, Zhang G, Chen D P, Hu L L 2010 Acta Opt. Sin. 30 1497 (in Chinese) [周秦岭, 卢兴强, 张光, 陈丹平, 胡丽丽 2010 光学学报 30 1497]
[4] Jansen F, Stutzki F, Otto H J, Baumgartl M, Jauregui C, Limpert J, Tnnermann A 2010 Opt. Express 18 26834
[5] Fang X H, Hu M L, Li Y F, Chai L, Wang Q Y 2009 Acta Phys. Sin. 58 2495 (in Chinese) [方晓惠, 胡明列, 栗岩锋, 柴路, 王清月 2009 58 2495]
[6] Chen M Y, Sun B, Zhang Y K, Tong Y Q, Zhou J 2010 Opt. Commun. 283 3153
[7] Cao Y, Li R M, Tong Z R 2013 Acta Phys. Sin. 62 084215 (in Chinese) [曹晔, 李荣敏, 童峥嵘 2013 62 084215]
[8] Chen D R, Shen L F 2007 IEEE Photon. Techn. Lett. 19 185
[9] Chen M Y 2007 Opt. Express 15 12498
[10] Zhen S W, Lin Z, Ren G B, Jian S S 2013 Acta Phys. Sin. 62 044224 (in Chinese) [郑斯文, 林桢, 任国斌, 简水生 2013 62 044224]
[11] Vogel M M, Abdou-Ahmed M, Voss A, Graf T 2009 Opt. Lett. 34 2876
[12] Chen M Y, Zhang Y K 2011 J. Lightwave Technol. 29 2216
[13] Lu X Q, Zhou Q L, Qiu J R, Zhu C S, Fan D Y 2006 Opt. Commun. 259 636
[14] Johnson S, Joannopoulos J 2001 Opt. Express 8 173
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[1] Yi J, Lee K, Park I, Kwon J H 2009 J. Opt. Soc. Korea 13 146
[2] Zhou Q L, Lu X Q, Qiu J R, Chen D P, Jiang X W, Zhu C S 2005 Chin. Opt. Lett. 3 686
[3] Zhou Q L, Lu X Q, Zhang G, Chen D P, Hu L L 2010 Acta Opt. Sin. 30 1497 (in Chinese) [周秦岭, 卢兴强, 张光, 陈丹平, 胡丽丽 2010 光学学报 30 1497]
[4] Jansen F, Stutzki F, Otto H J, Baumgartl M, Jauregui C, Limpert J, Tnnermann A 2010 Opt. Express 18 26834
[5] Fang X H, Hu M L, Li Y F, Chai L, Wang Q Y 2009 Acta Phys. Sin. 58 2495 (in Chinese) [方晓惠, 胡明列, 栗岩锋, 柴路, 王清月 2009 58 2495]
[6] Chen M Y, Sun B, Zhang Y K, Tong Y Q, Zhou J 2010 Opt. Commun. 283 3153
[7] Cao Y, Li R M, Tong Z R 2013 Acta Phys. Sin. 62 084215 (in Chinese) [曹晔, 李荣敏, 童峥嵘 2013 62 084215]
[8] Chen D R, Shen L F 2007 IEEE Photon. Techn. Lett. 19 185
[9] Chen M Y 2007 Opt. Express 15 12498
[10] Zhen S W, Lin Z, Ren G B, Jian S S 2013 Acta Phys. Sin. 62 044224 (in Chinese) [郑斯文, 林桢, 任国斌, 简水生 2013 62 044224]
[11] Vogel M M, Abdou-Ahmed M, Voss A, Graf T 2009 Opt. Lett. 34 2876
[12] Chen M Y, Zhang Y K 2011 J. Lightwave Technol. 29 2216
[13] Lu X Q, Zhou Q L, Qiu J R, Zhu C S, Fan D Y 2006 Opt. Commun. 259 636
[14] Johnson S, Joannopoulos J 2001 Opt. Express 8 173
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