Generation of broadband supercontinuum assisted by multimode dispersive waves in GeO2-core multimode fibers

2026-04-28

PRE

Meng Lv

Ruipeng Hou

Kai Xia

Zibo Wei

Zhilin Zhang

Chunyu Zhang

Xuzhao Zhang

Lele Yu

Chao Mei

Peipeng Xu

Peilong Yang *

Shixun Dai

DOI：10.1016/j.optlastec.2026.115416

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Abstract

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• Dispersive wave generation in higher-order modes has been observed in GeO2-core graded-index multimode fibers. • A 440 nm–3.35 μm visible-to-MIR SC (4.88 W) is achieved via 1.97 μm ps pumping in GeO2-core fiber. • Predicted phase-matching positions align with measured peaks; beam profiles match predicted modes.

Keywords:

supercontinuum

dispersive waves

multimode fibers

phase-matching

GeO2-core

Generation of broadband supercontinuum assisted by multimode dispersive waves in GeO2-core multimode fibers

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