基于氯化碳芯锥形光子晶体光纤相干中红外超连续谱产生的数值模拟

IF 1.2 4区物理与天体物理 Q4 OPTICS

Laser Physics Pub Date : 2023-10-30 DOI:10.1088/1555-6611/ad04c4

Hong-Ping Zhang, Bin Zhao, Rong-Ze Ma, Zhen-Rui Li, Peng-Fei Wang

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引用次数: 0

摘要

摘要对在锥形光子晶体光纤(PCF)中填充氯化碳(ccl4, c2cl4)产生的相干中红外(MIR)超连续光谱(SC)进行了数值研究。该机制涉及到在1.98 μ m飞秒激光泵浦的氯化碳芯锥形PCF中产生的非线性孤子压缩、拉曼孤子自频移和色散波。广义非线性薛定谔方程的数值解表明，可以实现1.15 ~ 5.5 μ m (ccl4 -核锥形PCF)和1.15 ~ 5.7 μ m (c2cl4 -核锥形PCF)相干MIR-SC源。我们的研究结果表明，上述液核锥形PCFs是构建宽带相干MIR-SC光源的有前途的非线性介质。

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Numerical simulation of coherent mid-infrared supercontinuum generation based on carbon chloride core tapered photonic crystal fibers

Abstract We numerically studied coherent mid-infrared (MIR) supercontinuum (SC) generated by filling carbon chloride (CCl 4 , C 2 Cl 4 ) into the tapered photonic crystal fiber (PCF). The mechanism involves nonlinear soliton compression, Raman soliton self-frequency shift and dispersive wave generated in a carbon chloride core tapered PCF pumped by a 1.98 μ m femtosecond laser. Numerical solution of the generalized nonlinear Schrodinger equation shows that 1.15–5.5 μ m (CCl 4 -core tapered PCF) and 1.15–5.7 μ m (C 2 Cl 4 -core tapered PCF) coherent MIR-SC sources can be realized. Our results show that the above liquid-core tapered PCFs are promising nonlinear media for constructing broadband coherent MIR-SC light sources.

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来源期刊

Laser Physics 物理-光学

CiteScore

2.60

自引率

8.30%

发文量

127

审稿时长

2.2 months

期刊介绍： Laser Physics offers a comprehensive view of theoretical and experimental laser research and applications. Articles cover every aspect of modern laser physics and quantum electronics, emphasizing physical effects in various media (solid, gaseous, liquid) leading to the generation of laser radiation; peculiarities of propagation of laser radiation; problems involving impact of laser radiation on various substances and the emerging physical effects, including coherent ones; the applied use of lasers and laser spectroscopy; the processing and storage of information; and more. The full list of subject areas covered is as follows: -physics of lasers- fibre optics and fibre lasers- quantum optics and quantum information science- ultrafast optics and strong-field physics- nonlinear optics- physics of cold trapped atoms- laser methods in chemistry, biology, medicine and ecology- laser spectroscopy- novel laser materials and lasers- optics of nanomaterials- interaction of laser radiation with matter- laser interaction with solids- photonics