高双折射的混合格子太赫兹光子晶体光纤的设计与研究

汪静丽; 姚建铨; 陈鹤鸣; 邴丕彬; 李忠洋; 钟凯

doi:10.7498/aps.60.104219

摘要

提出了一种新型高双折射的混合格子太赫兹光子晶体光纤,通过对芯区亚波长尺寸的空气孔进行多种格子组合排列,增加结构的非对称性实现高的模式双折射. 全文仿真建模采用专业的有限元计算软件COMSOL Multiphysics 4.0,结果表明:混合格子太赫兹光子晶体光纤在很宽的频率范围内都具有较高的双折射(达到10-2)和低的限制损耗,且通过改变光纤的某些参数可以灵活地控制其双折射或限制损耗特性. 相比于同类光通信波段光纤,由于太赫兹波波长较大,能够降低芯区微结构加工的难度,具有可行性.

关键词:

Abstract

In this paper, we propose a novel high birefringent terahertz (THz) photonic crystal fiber (PCF) with subwavelength circular air hole pairs in the core which are arranged as a hybrid crystal lattice structure. And its high mode birefringence is realized by reducing structure symmetry in core. A professional software COMSOL Multiphysics 4.0 is used for modeling, and the simulation results show that this kind of THz PCF exhibits a high birefringence on a level of 10-2and low confinement loss over a wide THz frequency range. Moreover, the birefringence or confinement loss can be controlled flexibly by adjusting some fiber parameters. Compared with a similar structure PCF for the optical communication, the THz PCF is easier to practically fabricate, owing to its large wavelength size.

Keywords:

作者及机构信息

1.
天津大学激光与光电子研究所,精密仪器与光电子工程学院,光电信息技术科学教育部重点实验室,天津 300072;

2.
南京邮电大学光电工程学院,光通信研究所,南京 210003

基金项目: 国家重点基础研究发展计划(批准号:2007CB310403)和南京邮电大学青蓝计划(批准号:NY207085)资助的课题.

Authors and contacts

1.
Institute of Laser and Optoelectronics, College of Precision Instrument and Optoelectronic Engineering, Key Laboratory of Optoelectronic Information Science and Technology (Ministry of Education), Tianjin University, Tianjin 300072, China;

2.
College of Optoelectronic Engineering, Institute of Optical Communications, Nanjing University of Posts and Telecommunications, Nanjing 210003,China

参考文献

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施引文献

[1]	Birks T A, Knight J C, Russell P S J 1997 Opt.Lett. 22 961
[2]	Reeves W H, Knight J C, Russell P S J, Roberts P J 2002 Opt.Express 10 609
[3]
[4]	Sharping J E, Fiorentino M, Kumar P, Windeler R S 2002 Opt.Lett. 27 1675
[5]
[6]	Liu W H, Song X Z, Wang Y S, Liu H J, Zhao W, Liu X M, Peng Q J, Xu X Y 2008 Acta Phys. Sin. 57 917 (in Chinese) [刘卫华、宋啸中、王屹山、刘红军、赵卫、刘雪明、彭钦军、许祖彦 2008 57 917]
[7]
[8]	Zhang C, Hu M L, Song Y J, Zhang X, Chai L, Wang Q Y 2009 Acta Phys. Sin. 58 7727 (in Chinese) [张驰、胡明列、宋有建、张鑫、柴路、王清月 2009 58 7727]
[9]
[10]
[11]	Jiang Y J, Shi W H, Li P L, Zhao Y 2010 Acta Phys. Sin. 59 5559 (in Chinese) [姜跃进、施伟华、李培丽、赵岩 2010 59 5559]
[12]
[13]	Lu J H, Meng Z M, Liu H Y, Feng T H, Dai Q F, Wu L J, Guo Q, Hu W, Lan S 2009 Chin. Phys. B 18 4333
[14]
[15]	Kazunori S, Hirokazu K, Satoki K 2001 Opt. Express 9 676
[16]	Kunimasa S, Masanori K 2003 IEEE Photonics Technology letters 15 1384
[17]
[18]	Folkenberg J R, Nielsen M D, Jakobsen C 2005 Opt.Lett. 30 1446
[19]
[20]	Chen D R, Shen L F 2007 IEEE Photonics Technology Letters 19 185
[21]
[22]	Chen D R 2010 Progress In Electromagnetics Research 105 193
[23]
[24]	Siegel P H 2002 IEEE Trans. Microwave Theory Tech. 50 910
[25]
[26]	Shen Y C, Lo T, Taday P F, Cole B E, Tribe W R, Kemp M C 2005 Appl. Phys.Lett. 86 241116
[27]
[28]
[29]	Yao J Q, Chi N, Yang P F, Cui H X, Wang J L, Li J S, Xu D G, Ding X 2009 Chinese Journal of Lasers 36 2213 (in Chinese) [姚建铨、迟楠、杨鹏飞、崔海霞、汪静丽、李九生、徐德刚、丁欣 2009 中国激光 36 2213] 〖16] Shen J L, Zhang C L 2005 Nondestructive Testing 27 146 (in Chinese) [沈京玲、张存林 2005 无损检测 27 146 ]
[30]
[31]	Li Z Y, Yao J Q, L J,Bing P B, Xu D G, Wang P 2010 Acta Phys. Sin. 59 6237(in Chinese)[李忠洋、姚建铨、李俊、邴丕彬、徐德刚、王鹏 2010 59 6237 ]
[32]
[33]	Zhang Y P, Zhang H Y, Geng Y F, Tan X L, Yao J Q 2009 Acta Phys. Sin. 58 7030(in Chinese)[张玉萍、张会云、耿优福、谭晓玲、姚建铨 2009 58 7030]
[34]
[35]
[36]	Sun B, Liu J S, Li E B, Yao J Q 2009 Chin. Phys. B 18 2846
[37]
[38]	Hu M, Zhang Y X, Yan Y, Zhong R B, Liu S G 2009 Chin. Phys. B 18 3877
[39]	Wu Q, Wang Y, Wu Y M, Zhuang L L, Li L W, Gui T L 2010 Chin. Phys. B 19 067801
[40]
[41]	Park H, Cho M, Kim J, Han H 2002 Phys. Med. Biol. 47 3765
[42]
[43]	Han H, Park H, Cho M, Kim J 2002 Appl. Phys. Lett. 80 2634
[44]
[45]	Goto M, Quema A, Takahashi H, Ono S, Sarukura N 2004 Jpn. J. Appl. Phys. 43 317
[46]
[47]
[48]	Rahman B M A, Kejalakshmy N, Huda Tanvir, Grattan K T V 2007 Terahertz Physics, Devices, and Systems Ⅱ Boston, September 11,2007 p67720D-1
[49]
[50]	Cao X J, Zhou K S, Zhao W, Li J F, Duan K L 2007 Acts Photonica Sinica 36 (Sup1) 35(in Chinese) [曹祥杰、邹快盛、赵卫、李剑锋 2007 光子学报 36(增刊) 35]
[51]
[52]	Cho M, Kim J, Park H, Han Y, Moon K, Jung E, Han H 2008 Opt. Express 16 7
[53]	Hu J, Chen H M 2008 Chinese Journal of Lasers 35 567 (in Chinese)[胡婕、陈鹤鸣 2008 中国激光 35 567]
[54]
[55]
[56]	Kejalakshmy N, Rahman B M A, Agrawal A, Tanvir H M, Grattan K T V 2009 J. Lightw. Technol. 27 1631
[57]	Jin Y S, Kim G J, Jeon S G 2006 J. Korean Phys. Soc. 49 513

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