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Erschienen in: Optical and Quantum Electronics 14/2023

01.12.2023

Highly bend compensated large mode area segmented cladding fiber with high index circular multitrench in core

verfasst von: S. Eswaramoorthy, N. Ayyanar, G. Thavasi Raja, Fahad A. Alzahrani

Erschienen in: Optical and Quantum Electronics | Ausgabe 14/2023

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Abstract

A bend resistant segmented cladding fiber with high index circular multi trench in the core region is designed to attain single mode condition and large mode area (LMA). Pure silica based low refractive index trenches are introduced around the core region for reducing fabrication complexity. The high index circular multi trench is supported to avoid the mode area distortion at tight bending radius of 7.5 cm. The lasing parameters such as bending loss and mode area of the proposed fiber is investigated by varying structural parameters at the lasing wavelength of 1.06 μm. The numerical outcomes demonstrate that the proposed LMA fibre is able to operate in single mode (SM) condition with an effective mode area of 1006 µm2. Additionally, the obtained loss ratio between the basic mode (LP01) and the lowest higher order mode (LP11-odd) is 162, which confirms effective single mode operation. The proposed fibre will be crucial in the development of high power fibre laser, fibre amplifier, and high power delivery applications.

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Metadaten
Titel
Highly bend compensated large mode area segmented cladding fiber with high index circular multitrench in core
verfasst von
S. Eswaramoorthy
N. Ayyanar
G. Thavasi Raja
Fahad A. Alzahrani
Publikationsdatum
01.12.2023
Verlag
Springer US
Erschienen in
Optical and Quantum Electronics / Ausgabe 14/2023
Print ISSN: 0306-8919
Elektronische ISSN: 1572-817X
DOI
https://doi.org/10.1007/s11082-023-05508-y

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