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提出了一种具有二重对称性的ZrF4-BaF2-LaF3-AlF3-NaF（ZBLAN）氟化物玻璃基的光子准晶光纤. 光纤结构是以ZBLAN氟化物玻璃为背景材料，外包层由圆形空气孔以正方形与正三角形分布组成的基本单元构成，在芯区两侧引入两个对称的葡萄柚空气孔，以增加光纤的双折射. 应用全矢量有限元法，研究了光纤的双折射和限制损耗特性与结构参数的关系. 通过优化光纤结构参数，在1800–2200 nm的波长范围内获得了具有单模传输特性的高双折射光纤，其模式双折射高达10-2，比普通保偏光纤高出两个数量级，与目前报道的采用椭圆空气孔微结构光纤获得的高双折射具有同样的量级. 但与具有椭圆空气孔微结构光纤相比，提出的光纤结构更易于制作. 研究结果为开辟2 μm波段光器件的研究做出了有益的探索.A novel design of highly birefringent photonic quasi-crystal fiber based on ZrF4-BaF2-LaF3-AlF3-NaF glass with twin grapefruit air holes near the core and twofold symmetry is proposed. The basic unit is composed of one square and its neighboring regular triangle. Using the finite element method, the birefringence and confinement loss are investigated simultaneously by changing the pitch of air holes and sizes of air holes. Numerical results show that the fiber maintains single mode operation in a wide wavelength range from 1.8 μm to 2.2 μm, and the birefringence is on the order of 10-2, two orders of magnitude larger than that of the conventional polarization-maintaining fibers, which is largest (around 2 μm) ever reported to our knowledge and the same order of magnitude as that obtained by fiber using elliptic air holes But this designed fiber is easy to fabricate compared with the fibers using elliptic air holes.
[1] Shechtman D, Blech I, Gratias D, Cahn J W 1984 Phys. Rev. Lett. 53 1951
[2] Kim S, Kee C S, Lee J 2007 Opt. Express 15 13221
[3] Sun X, Hu D J J 2010 IEEE Photon. Technol. Lett. 22 607
[4] Kim S, Kee C S 2009 Opt. Express 17 15885
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[6] SivabalanS, Raina J P 2011 IEEE Photon. Technol. Lett. 23 1139
[7] Ortigosa-Blanch A, Knight J C, Wadsworth W J, Arriaga J, Mangan B J, Birks T A, Russell P S J 2000 Opt. Lett. 25 1325
[8] Asiful Islam M, Shah Alam M 2012 J. Lightwave Technol. 30 3545
[9] Kim S E, Kim B H, Lee C G, Lee S, Oh K, Kee C S 2012 Opt. Express 20 1385
[10] Liang W B, Liu N L, Li Z H, Lu P X 2012 J. Lightwave Technol. 30 3381
[11] 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 物理学报 62 084215]
[12] Li D M, Zhou G Y, Xia C M, Wang C, Yuan J H 2014 Chin. Phys. B 23 044209
[13] Wang Y T, Cai H W, Qu R H, Fang Z J, Marin E, Meunier J P 2008 Appl. Opt. 47 3543
[14] Wu C, Guan B O, Wang Z, Feng X H 2010 J. Lightwave Technol. 28 1392
[15] Swiderski J, Michalska M, Maze G 2013 Opt. Express 21 7851
[16] Yang W Q, Zhang B, Yin K, Zhou X F, Hou J 2013 Opt. Express 21 19732
[17] Qin G S, Huang S H, Feng Y, Shirakawa A, Ueda K I 2005 IEEE Photon. Technol. Lett. 17 1818
[18] Ramsay J, Dupont S, Johansen M, Rish?j L, Rottwitt K, Moselund P M, Keiding S R 2013 Opt. Express 21 10764
[19] Lambin-Iezzi V, Loranger S, Saad M, Kashyap R 2013 J. Non-Cryst. Solids 359 65
[20] Farin G 1997 Curves and Surfaces for Computer-Aided Geometric Design (4th Ed.) (San Diego: Elsevier)
[21] Gan F X 1995 J. Non-Cryst. Solids 184 9
[22] Zhang L P, Gan F X, Wang P 1994 Appl. Opt. 33 50
[23] Yue Y, Kai G, Wang Z, Sun T, Jin L, Lu Y, Zhang C, Liu J, Li Y, Liu Y, Yuan S, Dong X 2007 Opt. Lett. 32 469
[24] Mortensen N A 2002 Opt. Express 10 341
[25] Kaneshima K, Namihira Y, Zou N, Higa H, Nagata Y 2006 IEICE Trans. Electron. E89-C 830
[26] Su W, Lou S Q, Zou H, Han B L 2014 Infrared Phys. Technol. 63 62s
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[1] Shechtman D, Blech I, Gratias D, Cahn J W 1984 Phys. Rev. Lett. 53 1951
[2] Kim S, Kee C S, Lee J 2007 Opt. Express 15 13221
[3] Sun X, Hu D J J 2010 IEEE Photon. Technol. Lett. 22 607
[4] Kim S, Kee C S 2009 Opt. Express 17 15885
[5] Sircilli F, Franco M A R, Eurocon S V A 2007 The International Conference on "Computer as a Tool", War San, September 9-12, 2007 p1263
[6] SivabalanS, Raina J P 2011 IEEE Photon. Technol. Lett. 23 1139
[7] Ortigosa-Blanch A, Knight J C, Wadsworth W J, Arriaga J, Mangan B J, Birks T A, Russell P S J 2000 Opt. Lett. 25 1325
[8] Asiful Islam M, Shah Alam M 2012 J. Lightwave Technol. 30 3545
[9] Kim S E, Kim B H, Lee C G, Lee S, Oh K, Kee C S 2012 Opt. Express 20 1385
[10] Liang W B, Liu N L, Li Z H, Lu P X 2012 J. Lightwave Technol. 30 3381
[11] 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 物理学报 62 084215]
[12] Li D M, Zhou G Y, Xia C M, Wang C, Yuan J H 2014 Chin. Phys. B 23 044209
[13] Wang Y T, Cai H W, Qu R H, Fang Z J, Marin E, Meunier J P 2008 Appl. Opt. 47 3543
[14] Wu C, Guan B O, Wang Z, Feng X H 2010 J. Lightwave Technol. 28 1392
[15] Swiderski J, Michalska M, Maze G 2013 Opt. Express 21 7851
[16] Yang W Q, Zhang B, Yin K, Zhou X F, Hou J 2013 Opt. Express 21 19732
[17] Qin G S, Huang S H, Feng Y, Shirakawa A, Ueda K I 2005 IEEE Photon. Technol. Lett. 17 1818
[18] Ramsay J, Dupont S, Johansen M, Rish?j L, Rottwitt K, Moselund P M, Keiding S R 2013 Opt. Express 21 10764
[19] Lambin-Iezzi V, Loranger S, Saad M, Kashyap R 2013 J. Non-Cryst. Solids 359 65
[20] Farin G 1997 Curves and Surfaces for Computer-Aided Geometric Design (4th Ed.) (San Diego: Elsevier)
[21] Gan F X 1995 J. Non-Cryst. Solids 184 9
[22] Zhang L P, Gan F X, Wang P 1994 Appl. Opt. 33 50
[23] Yue Y, Kai G, Wang Z, Sun T, Jin L, Lu Y, Zhang C, Liu J, Li Y, Liu Y, Yuan S, Dong X 2007 Opt. Lett. 32 469
[24] Mortensen N A 2002 Opt. Express 10 341
[25] Kaneshima K, Namihira Y, Zou N, Higa H, Nagata Y 2006 IEICE Trans. Electron. E89-C 830
[26] Su W, Lou S Q, Zou H, Han B L 2014 Infrared Phys. Technol. 63 62s
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