Supercontinuum spectra above 2700 nm in circular lattice photonic crystal fiber infiltrated chloroform with the low peak power

IF 2.2 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Journal of Computational Electronics Pub Date : 2023-07-14 DOI:10.1007/s10825-023-02078-w

Thuy Nguyen Thi, Lanh Chu Van

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Abstract

The broad supercontinuum spectrum in chloroform infiltrate hollow-core circular photonic crystal fibers with low peak powers of 1.44 kW and 20 kW has been investigated. The improvement in optical properties of the photonic crystal fibers is attributed to the difference air holes's size of the rings in the cladding, where the air holes's size in the first ring are smaller than others, and the infiltration of chloroform to the core. The flat dispersion, small effective mode area of 1.43 µm², low confinement loss of 2.47 dB/m at 0.945 µm pump wavelength is responsible for the broad supercontinuum spectra of 753.9 nm in the first fiber with all-normal dispersion. The soliton dynamics provides bandwidth up to 2779.6 nm at a pump wavelength of 1.4 µm through supercontinuum generation in the second fiber with anomalous dispersion. The results further demonstrate that it is possible to generate broad supercontinuum spectra in the specified wavelength region thanks to exact control of photonic crystal fibers dispersion properties by using suitable highly nonlinear fluids and changing the air hole's size in the innermost ring of the photonic crystal fibers.

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低峰值功率掺入三氯甲烷的圆晶格光子晶体光纤中2700 nm以上的超连续谱

研究了低峰值功率为1.44kW和20kW的氯仿渗透空心圆形光子晶体光纤的宽超连续谱。光子晶体光纤光学性能的改善归因于包层中环的不同气孔尺寸，其中第一环中的气孔尺寸小于其他环，以及氯仿渗透到纤芯。平坦的色散、1.43µm2的小有效模面积、0.945µm泵浦波长下2.47 dB/m的低限制损耗是第一根具有全正常色散的光纤中753.9 nm的宽超连续谱的原因。孤子动力学通过在具有异常色散的第二光纤中产生超连续谱，在1.4µm的泵浦波长下提供高达2779.6 nm的带宽。结果进一步表明，通过使用合适的高度非线性流体和改变光子晶体光纤最内环中的气孔大小，可以精确控制光子晶体光纤的色散特性，从而在特定波长区域产生宽的超连续谱。

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来源期刊

Journal of Computational Electronics ENGINEERING, ELECTRICAL & ELECTRONIC-PHYSICS, APPLIED

CiteScore

4.50

自引率

4.80%

发文量

142

审稿时长

>12 weeks

期刊介绍： he Journal of Computational Electronics brings together research on all aspects of modeling and simulation of modern electronics. This includes optical, electronic, mechanical, and quantum mechanical aspects, as well as research on the underlying mathematical algorithms and computational details. The related areas of energy conversion/storage and of molecular and biological systems, in which the thrust is on the charge transport, electronic, mechanical, and optical properties, are also covered. In particular, we encourage manuscripts dealing with device simulation; with optical and optoelectronic systems and photonics; with energy storage (e.g. batteries, fuel cells) and harvesting (e.g. photovoltaic), with simulation of circuits, VLSI layout, logic and architecture (based on, for example, CMOS devices, quantum-cellular automata, QBITs, or single-electron transistors); with electromagnetic simulations (such as microwave electronics and components); or with molecular and biological systems. However, in all these cases, the submitted manuscripts should explicitly address the electronic properties of the relevant systems, materials, or devices and/or present novel contributions to the physical models, computational strategies, or numerical algorithms.