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Related Experiment Video

Updated: Mar 25, 2026

In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation

In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation

Published on: May 27, 2013

Multimode supercontinuum generation in chalcogenide glass fibres.

Irnis Kubat, Ole Bang

|February 25, 2016

Summary

Considering both polarizations and higher-order modes is crucial for accurate modeling of mid-infrared supercontinuum generation in chalcogenide fibers, especially with long pump pulses.

Area of Science:

Nonlinear optics
Materials science

Background:

Supercontinuum generation in chalcogenide fibers is vital for mid-infrared applications.
Accurate modeling requires consideration of polarization and higher-order modes.

Purpose of the Study:

To investigate the impact of polarization and higher-order modes on mid-infrared supercontinuum generation.
To analyze high pulse energy supercontinuum generation with long pump pulses.

Main Methods:

Numerical modeling of nonlinear propagation in chalcogenide fibers.
Inclusion of both polarizations and higher-order modes in the model.

Main Results:

Considering only a single polarization exaggerates supercontinuum bandwidth.
Higher-order modes are excited by Raman scattering with long pump pulses (≥ 40 ps).

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Last Updated: Mar 25, 2026

In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation

In-situ Tapering of Chalcogenide Fiber for Mid-infrared Supercontinuum Generation

Published on: May 27, 2013

Electrospray Deposition of Uniform Thickness Ge23Sb7S70 and As40S60 Chalcogenide Glass Films

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Published on: August 19, 2016

Writing Bragg Gratings in Multicore Fibers

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Excitation of higher-order modes depletes fundamental mode energy, limiting bandwidth.

Conclusions:

Accurate modeling of supercontinuum generation necessitates including all relevant physical effects.
Long pump pulses limit broadband supercontinuum generation due to higher-order mode excitation.