Design of Mid-Infrared Supercontinuum Generation based on As<sub>2</sub>Se<sub>3</sub> Microstructured Optical Fiber

WEI Hong-yan

doi:10.13756/j.gtxyj.2019.02.008

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Design of Mid-Infrared Supercontinuum Generation based on As₂Se₃ Microstructured Optical Fiber

- Design of Mid-Infrared Supercontinuum Generation based on As₂Se₃ Microstructured Optical Fiber
- Study on Optical communication Issue 2, Pages: 33-37(2019)
- 作者机构：
  
  廊坊师范学院电子信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2019.02.008
  CLC： TN253
- Published：2019，
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[1]魏红彦.As_2Se_3微结构光纤产生中红外超连续谱的设计[J].光通信研究,2019(02):33-37.

WEI Hong-yan. Design of Mid-Infrared Supercontinuum Generation based on As₂Se₃ Microstructured Optical Fiber. [J]. (2):33-37(2019)
[1]魏红彦.As_2Se_3微结构光纤产生中红外超连续谱的设计[J].光通信研究,2019(02):33-37. DOI： 10.13756/j.gtxyj.2019.02.008.

WEI Hong-yan. Design of Mid-Infrared Supercontinuum Generation based on As₂Se₃ Microstructured Optical Fiber. [J]. (2):33-37(2019) DOI： 10.13756/j.gtxyj.2019.02.008.

摘要

为了在理论和实际中研制能够产生高效平坦宽带中红外超连续谱的光纤

文章提出一种以三硒化二砷（As

）为背景材料的微结构光纤

利用非线性薛定谔方程计算模拟了光纤的结构参数对色散、耗损与非线性特性的影响

选取优化结构参数实现高非线性色散平坦全正常色散。采用该结构光纤对中超短脉冲的展宽机制进行分析

研究了光纤长度、泵浦中心波长、峰值功率以及泵浦宽度等参数对超连续谱生成的影响

并通过此光纤实现平坦中红外超连续谱的输出。搭建了实验平台

选取优化的光纤长度和泵浦参数检测了飞秒激光脉冲在As

微结构光纤中的传输过程和输出谱

实验结果表明

采用该结构光纤能够生成波长展宽为3～6μm的高效平坦宽带中红外超连续谱

此连续谱可应用在物质探测、生物化学、食品检测和环境分析等领域。

Abstract

In order to fabricate high-efficient flat broadband mid-infrared supercontinuum fiber

a microstructured fiber based on As

as background material is proposed. By using nonlinear Schrodinger equation

the effects of fiber structure parameters on dispersion

loss and nonlinear characteristics are simulated

and the optimized structure is designed. The optimal structural parameters are selected to achieve high nonlinearity with flattened full normal dispersion. The mechanism of ultrashort pulse broadening is analyzed by using this structure optical fiber. The effects of fiber length

pump center wavelength

peak power and pump width on the generation of supercontinuum are studied

and the output of the flat mid-infrared supercontinuum is realized by this fiber. By building experimental platform

the transmission and output spectrum of femtosecond laser pulses in As

microstructured fibers are measured by selecting the optimized fiber length and pump parameters. The experimental results show that high efficiency flat broadband mid-infrared supercontinuum with wavelength broadening of 3～6 μm can be generated. This continuous spectrum can be used in the fields of material detection

biochemistry

food detection and environmental analysis.

关键词

微结构光纤超连续谱中红外波高非线性飞秒激光器

Keywords

microstructured optical fibersupercontinuummid-infrared wavehigh-nonlinearfemtosecond pulse laser

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College of Information Science and Engineering,Northeastern University

College of Information and Communication Engineering,North University of China

Center for Information Photonics & Communications,School of Information Science & Technology,Southwest Jiaotong University

Department of Computer Science and Technology,Nanyang Institute of Technology

Department of Physics and Electronic Science,Binzhou University

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Design of Mid-Infrared Supercontinuum Generation based on As2Se3 Microstructured Optical Fiber

DOI：10.13756/j.gtxyj.2019.02.008

摘要

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关键词

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references

Design of Mid-Infrared Supercontinuum Generation based on As₂Se₃ Microstructured Optical Fiber