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Design of a Novel Mid-Infrared Single-Polarization Single-Mode Photonic Crystal Fiber with Low Loss, High Nonlinearity, and Large Bandwidth
Fiber and Integrated Optics ( IF 2.3 ) Pub Date : 2019-03-26 , DOI: 10.1080/01468030.2019.1595225
Zhanqiang Hui 1 , Dongyang Hou 1 , Youkun Zhang 1 , Shixiu Wei 1 , Junhua Xu 1
Affiliation  

A novel mid-infrared Ge20Sb15Se65 chalcogenide-based single-polarization single-mode (SPSM) photonic crystal fiber (PCF) with rectangular latticed circular air holes is proposed. The properties of SPSM bandwidth, confinement loss, and nonlinearity are analyzed in the 3 μm~8 μm mid-infrared region using the finite -difference time-domain (FDTD) method. The influences of different geometrical parameters on the properties of SPSM-PCF are analyzed. All numerical computational results reveal that for the optimized geometrical parameters, the proposed PCF can deliver a SPSM region of more than 2.3814 μm with high nonlinearity of 3,705 w−1 km−1. Therefore, such a SPSM-PCF will become an excellent candidate for mid-infrared photonic.



中文翻译:

低损耗,高非线性,大带宽的新型中红外单偏振单模光子晶体光纤的设计

提出了一种新型的具有矩形格子状圆形气孔的中红外Ge 20 Sb 15 Se 65硫族化物基单偏振单模(SPSM)光子晶体光纤(PCF)。利用时域有限差分法(FDTD)分析了3μm〜8μm中红外区域的SPSM带宽,约束损耗和非线性。分析了不同几何参数对SPSM-PCF性能的影响。所有数值计算结果表明,对于优化的几何参数,所提出的PCF可以提供大于2.3814μm的SPSM区域,并具有3,705 w -1  km -1的高非线性。因此,这种SPSM-PCF将成为中红外光子的极佳候选者。

更新日期:2019-03-26
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