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时间:2020-06-04
《高双折射低有效模场面积SF57软玻璃光子晶体光纤设计.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、第33卷第3期红外与毫米波学报Vo1.33.No.32014年6月J.InfraredMillim.WavesJune.2014文章编号:1001—9014(2014)03~0222—05DOI:10.3724/SP.J.1010.2014.00222DesignofhighlybirefringentSF57softglassPCFwithlowefectivemodeareaJIANGLing-HongH,ZHENGYi,HOULan.Tian,PENGJi-Ying.ZHENGKai(1·InsituteofLaser,SchoolofScienc
2、e,BeijingJiaotongUniversity,Beijing100044,China;2·StateKeyLaborat0ryofMetastableMateria1sScienceandTechnologY,YanshanUniversity,Qinhuangdao066004.ChinaAbstract~AsimpleSF57softglassphotoniccrystalfiber(PCF)witharhombicalTayoff0urelliptica1holesjnthecoreregionandahexagonallatticeof
3、ellipticalairholecladdingwasproposed.Thebirefringenceandefiectivemod。areaoftheproposedPCFwerestudiedbythefullvectorialfiniteelementmethodwithanisotropicperfectlvmatchedlayers-AhighbirefringentSF57softglassPCFwithloweffectivemodeareahasbeenobtained,whichshowsgo0dpo-larizationstabi
4、lityandlargetolerancetofabricationerrors.TheproposedPCFhasrighbirefringenceupto1.01×10_。,l0wmodeareasof1.52mand1.55IxmforxandYpolarizationsat1.55LLm.Keywords:photoniccrystalfiberbirefringence,effectivemodearea,softglass,PACS:42.81.一i.42.81.Gs高双折射低有效模场面积SF57软玻璃光子晶体光纤设计姜凌红,郑义,侯蓝田,彭
5、继迎,郑(1.北京交通大学理学院激光所,北京100044:2.燕山大学亚稳材料制备技术与科学重点实验室,河北秦皇岛0660041摘要:设计了一种包层为椭圆孔排列的六边形结构SF57软玻璃光子晶体光纤,在其纤芯区域引入了菱形排列的四个小椭圆孔.利用有限元法模拟了该光子晶体光纤的双折射和有效模场面积,获得了波长1.55LLm处双折射为1.01×10~,x和y偏振的有效模场面积分别为1.52m、1.55m的高双折射低有效模场面积光子晶体光纤.且对该光纤的结构参数进行了实验制作的容差性分析,得到了较大的制作容差对其光纤的双折射影响很小,具有较好的偏振稳定性.关键
6、词:光子晶体光纤;双折射;有效模场面积:软玻璃中图分类号:TN929.1l文献标识码:Acladdingtotheasymmetricaldistribution_4_5J.orbvintro.lntroducIionducingasymmetricstructureinthecoreregionL.Fur.therrnore,numericalsimulationshaveindicatedthatevenPhotoniccrystalfibers(PCFs)¨consistingofsilicahigherbirefringencecouldbere
7、alizedbyintroducinge1.withanarrayofairholesinthecladdinghaveattracted1ipticalholesineithercladdingorthecoreregionl6_8』.muchattentionduetotheexcellentpropagationproper-andadesignusingellipticalairholeshasbeenrealizedties,andtheysupplydiversifiedapplicationsinopticalexperimentally[
8、communication,opticalsensing,nonlinearop
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