Accurate modeling and measurement of pressure-induced group velocity dispersion variations in anti-resonant hollow-core fibers

被引：4

作者：

Sheng, Yulin ^{[1
]}

Sun, Yizhi ^{[1
]}

Gao, Shoufei ^{[1
]}

Liang, Zhi ^{[1
]}

Hong, Yifeng ^{[1
]}

Wang, Yingying ^{[1
]}

Ding, Wei ^{[1
]}

机构：

[1] Jinan Univ, Inst Photon Technol, Guangdong Prov Key Lab Opt Fiber Sensing & Commun, Guangzhou 511443, Peoples R China

来源：

OPTICS LETTERS | 2023年 / 48卷 / 06期

基金：

中国国家自然科学基金;

关键词：

PHOTONIC CRYSTAL FIBERS; DYNAMICS; INDEX;

D O I：

10.1364/OL.482575

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Precise control of group velocity dispersion (GVD) by pres-sure in a gas-filled hollow-core fiber (HCF) is of essential importance for many gas-based nonlinear optical appli-cations. To accurately calculate the pressure-induced dis-persion variations (o1l32/op) in anti-resonant types of HCF, an analytical model combining the contribution of the gas material, capillary waveguide, and cladding resonances is developed, with an insightful physical picture. Broadband (similar to 1000 nm) GVD measurements in a single-shot manner realize accuracy and precision as low as 0.1 ps2/km and 2 x 10-3 ps2/km, respectively, and validate our model. Con-sistent with our model, a pronounced negative o1l32/op is observed experimentally for the first time, to our knowl-edge. Our model can also be extended to other HCFs with cladding resonances in predicting o1l32/op, such as in pho-tonic bandgap types of HCF. (c) 2023 Optica Publishing Group

引用

页码：1506 / 1509

页数：4

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