Orbital angular momentum supercontinuum generation from near-ultraviolet to infrared in a photonic crystal fiber

被引：2
|
作者：
Qu, Yuheng [1 ]
Sun, Weiyu [1 ]
Cao, Jiashuai [1 ]
Jia, Hongzhi [1 ]
机构：
[1] Univ Shanghai Sci & Technol, Engn Res Ctr Opt Instruments & Syst, Sch Opt Elect & Comp Engn, Shanghai Key Lab Modern Opt Syst,Minist Educ, 516 Jun Gong Rd, Shanghai 200093, Peoples R China
来源：
OPTIK | 2022年 / 265卷
基金：
国家重点研发计划;
关键词：
Supercontinuum generation; Optical vortices; Nonlinear optics; Photonic crystal fibers; MICROSTRUCTURED FIBERS; LIGHT-SOURCE; MODULATION; BESSEL;
D O I：
10.1016/j.ijleo.2022.169516
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the numerical analysis of an MgF2 photonic crystal fiber (PCF) for ultraviolet (UV) supercontinuum (SC) generation of vortices. By pumping with 12.8 nJ energy in the anomalous dispersion region to the right of the zero-dispersion wavelength (ZDW) at the blue side, SC spectrum extending from 315 to 3064 nm at -40 dB is formed, and a strong peak at UV band is caused by dispersive wave (DW) generation. Through reasonably setting the pump conditions and fiber length, the energy proportion of < 400 nm reaches 0.36, which exhibits a high UV energy conversion efficiency.
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页数：7
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