| Issue |
J. Eur. Opt. Society-Rapid Publ.
Volume 20, Number 2, 2024
|
|
|---|---|---|
| Article Number | 33 | |
| Number of page(s) | 6 | |
| DOI | https://doi.org/10.1051/jeos/2024033 | |
| Published online | 09 September 2024 | |
Short Communication
Distributed measurement of supercontinuum generation along a silica fiber taper using a confocal spectrometer
Institut FEMTO-ST, CNRS UMR 6174, Université de Franche-Comté, 25030 Besançon, France
* Corresponding author: gil.fanjoux@univ-fcomte.fr
Received:
17
May
2024
Accepted:
25
June
2024
A highly sensitive distributed measurement technique is employed to map supercontinuum generation along a tapered silica optical fiber. This technique, which utilizes a confocal Raman micro-spectrometer, relies on analyzing far-field frequency-resolved Rayleigh scattering along the waveguide with micrometer-scale spatial resolution and high spectral resolution. Non-destructive and non-invasive, the mapping system enables observation of every stage of supercontinuum generation along the fiber cone, including cascade Raman scattering, four-wave mixing, and dispersive wave generation. Consequently, it unveils unique nonlinear spatial dynamics that are beyond the reach of standard spectral analyzers.
Key words: Fiber optics / Nonlinear optics / Supercontinuum generation / Rayleigh scattering / Scanning microscopy / Distributed measurements
© The Author(s), published by EDP Sciences, 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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