Design of High Birefringence Single-Polarization Single-Mode Terahertz Photonic Crystal Fibers

JIANG Wen-li; ZHENG Yi

doi:10.13756/j.gtxyj.2016.01.007

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Design of High Birefringence Single-Polarization Single-Mode Terahertz Photonic Crystal Fibers

- Design of High Birefringence Single-Polarization Single-Mode Terahertz Photonic Crystal Fibers
- Study on Optical communication Issue 1, Pages: 22-24(2016)
- 作者机构：
  
  北京交通大学理学院激光所
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2016.01.007
  CLC： TN253
- Published：2016，
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[1]蒋文丽,郑义.高双折射单模单偏振太赫兹光子晶体光纤设计[J].光通信研究,2016(01):22-24+78.

JIANG Wen-li, ZHENG Yi. Design of High Birefringence Single-Polarization Single-Mode Terahertz Photonic Crystal Fibers. [J]. (1):22-24(2016)
[1]蒋文丽,郑义.高双折射单模单偏振太赫兹光子晶体光纤设计[J].光通信研究,2016(01):22-24+78. DOI： 10.13756/j.gtxyj.2016.01.007.

JIANG Wen-li, ZHENG Yi. Design of High Birefringence Single-Polarization Single-Mode Terahertz Photonic Crystal Fibers. [J]. (1):22-24(2016) DOI： 10.13756/j.gtxyj.2016.01.007.

摘要

利用全矢量有限元法设计了一种非对称三角晶格SPSM-TPCF（单模单偏振太赫兹光子晶体光纤）

该光纤具有高双折射、宽带宽、低平坦色散和SPSM传输等特性。分析结果得出

在330μm处

双折射高达0.036 5

拍长为9.04mm;x和y偏振模的限制损耗分别为48.01和0.008 13dB/m;y偏振模的有效模场面积为7 557μm

数值孔径为0.56。在波长326.5

59μm范围内实现SPSM传输

且y偏振模损耗始终低于0.1dB/m;该光纤呈现低平坦色散特性

色散值仅为（-2.14±0.45）ps/（nm·km）。

Abstract

An asymmetric triangular lattice-based Single Polarization Single Mode Terahertz Photonic Crystal Fiber（SPSMTPCF）is designed by using the full-vector Finite Element Method（FEM）

which is characteristic of high birefringence

wide bandwidth and low-flat dispersion.The analytical results show that its birefringence is as high as 0.036 5at the wavelength of330μm

the beat length is 9.04 mm and the confinement losses of the x-and y-polarization modes are 48.01dB/m and0.008 13dB/m respectively.In addition

the effective mode field area of the y-polarization is 7 557μm

the numerical aperture is 0.56

the SPSM transmission is realized in the wavelength range of 326.5

59μm

in which the confinement loss of the y-polarization mode is always below 0.1dB/m and this fiber is dispersion-flattened

with the dispersion value as low as（-2.14±0.45）ps/（nm·km）.

关键词

太赫兹光子晶体光纤双折射单模单偏振色散

Keywords

TPCFbirefringenceSPSMdispersion

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