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Based on multi-pole method theory, a kind of hybrid cladding photonic crystal fiber（PCF） is designed. It has been shown theoretically that it is possible to obtain fiattened dispersion charactor of dispersion absolute value 125 ps·km-1·nm-1 within the wave band of 144 μm to 20 μm by altering four structure parameters of the five-ring hybrid cladding in the PCF (namely the diameter of the inner ring hole, the diameter of the outer four ring holes, the pitch of the hexagon and the pitch of the octagon). Moreover, value simulation results show that in the PCF low confinement loss of 0005 dB/km in the 144—20 μm wavelength range can be achieved.
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Keywords:
- photonic crystal fiber /
- multi-pole method /
- flattened dispersion /
- confinement loss
[1] ［1］Wei D B, Zhou G Y, Zhao X T, Yuan J H, Meng J, Wang H Y, Hou L T 2008 Acta Phys. Sin. 57 3011（in Chinese） ［魏东宾、周桂耀、赵兴涛、苑金辉、孟佳、王海云、侯蓝田 2008 57 3011］
[2] ［2］Kaijage S F, Namihira Y, Hai N H, Begum F, Razzak S M A, Kinjo T, Miyagi K, Zou N Y 2009 Jpn. J. Appl. Phys. 48 52401
[3] ［3］Im S J, Husakou A, Herrmann J 2009 Opt. Express 17 13050
[4] ［4］Li S G, Liu X D, Hou L T 2004 Acta Phys. Sin. 53 1873（in Chinese） ［李曙光、刘晓东、侯蓝田 2004 53 1873］
[5] ［5］Li S G, Xing G L, Zhou G Y, Hou L T 2006 Acta Phys. Sin. 55 238（in Chinese） ［李曙光、邢光龙、周桂耀、侯蓝田 2006 55 238］
[6] ［6］Knight J C, Russell P S J 2002 Science 296 276
[7] ［7］Zhao X T, Hou L T, Liu Z L, Wang W, Wei H Y, Ma J R 2007 Acta Phys. Sin. 56 2275（in Chinese） ［赵兴涛、侯蓝田、刘兆伦、王伟、魏红彦、马景瑞 2007 56 2275］
[8] ［8］Razzak S M A, Namihira Y, Begum F 2007 Electron. Lett. 43 615
[9] ［9］Kaneshima K, Namihira Y, Zou N, Higa H, Nagata Y 2006 IEICE Trans. Electron. E89-C 830
[10] ］Saitoh K, Koshiba M, Hasegawa T, Sasaoka E 2003 Opt. Express 11 843
[11] ］Razzak S M A, Namihira Y 2008 J. Lightwave Technol. 26 1909
[12] ］Reeves W H, Knight J C, Russell P S J, Roberts P J 2002 Opt. Express 10 609
[13] ］Poletti F, Finazzi V, Monro T M, Broderick N G R, Tse V, Richardson D J 2005 Opt. Express 13 3728
[14] ］Chen M Y 2007 Opt. Express 15 12498
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[1] ［1］Wei D B, Zhou G Y, Zhao X T, Yuan J H, Meng J, Wang H Y, Hou L T 2008 Acta Phys. Sin. 57 3011（in Chinese） ［魏东宾、周桂耀、赵兴涛、苑金辉、孟佳、王海云、侯蓝田 2008 57 3011］
[2] ［2］Kaijage S F, Namihira Y, Hai N H, Begum F, Razzak S M A, Kinjo T, Miyagi K, Zou N Y 2009 Jpn. J. Appl. Phys. 48 52401
[3] ［3］Im S J, Husakou A, Herrmann J 2009 Opt. Express 17 13050
[4] ［4］Li S G, Liu X D, Hou L T 2004 Acta Phys. Sin. 53 1873（in Chinese） ［李曙光、刘晓东、侯蓝田 2004 53 1873］
[5] ［5］Li S G, Xing G L, Zhou G Y, Hou L T 2006 Acta Phys. Sin. 55 238（in Chinese） ［李曙光、邢光龙、周桂耀、侯蓝田 2006 55 238］
[6] ［6］Knight J C, Russell P S J 2002 Science 296 276
[7] ［7］Zhao X T, Hou L T, Liu Z L, Wang W, Wei H Y, Ma J R 2007 Acta Phys. Sin. 56 2275（in Chinese） ［赵兴涛、侯蓝田、刘兆伦、王伟、魏红彦、马景瑞 2007 56 2275］
[8] ［8］Razzak S M A, Namihira Y, Begum F 2007 Electron. Lett. 43 615
[9] ［9］Kaneshima K, Namihira Y, Zou N, Higa H, Nagata Y 2006 IEICE Trans. Electron. E89-C 830
[10] ］Saitoh K, Koshiba M, Hasegawa T, Sasaoka E 2003 Opt. Express 11 843
[11] ］Razzak S M A, Namihira Y 2008 J. Lightwave Technol. 26 1909
[12] ］Reeves W H, Knight J C, Russell P S J, Roberts P J 2002 Opt. Express 10 609
[13] ］Poletti F, Finazzi V, Monro T M, Broderick N G R, Tse V, Richardson D J 2005 Opt. Express 13 3728
[14] ］Chen M Y 2007 Opt. Express 15 12498
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