Raman amplifier based on stimulated Raman scattering in a methane-filled hollow core fiber

Raman amplifier based on stimulated Raman scattering in a methane-filled hollow core fiber

This article reports on a single pass amplifier based on stimulated Raman scattering in a methane-filled negative curvature hollow core fiber (HCF) to transition 1.06 μm power to 1.54 μm. The researchers measured the highest average Raman power at a single frequency in a methane filled HCF to date o...

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Veröffentlicht in:Optics express 2024-07, Vol.32 (15), p.26279
Hauptverfasser: Hampton, Shawn, Geraghty, Michael, Chavez, Joseph R, Ongstad, Andrew P, Lane, Ryan A
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container_issue 15
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container_title Optics express
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creator Hampton, Shawn
Geraghty, Michael
Chavez, Joseph R
Ongstad, Andrew P
Lane, Ryan A
description This article reports on a single pass amplifier based on stimulated Raman scattering in a methane-filled negative curvature hollow core fiber (HCF) to transition 1.06 μm power to 1.54 μm. The researchers measured the highest average Raman power at a single frequency in a methane filled HCF to date of 4.92 W (246 μJ/pulse), with a high average quantum efficiency of 95.9%. A numerical model for the system was developed and shows good agreement with measured thresholds and efficiencies. Model results from a trade space study indicate configuration regimes necessary to maximize 1.54 μm power while avoiding power loss from the secondary shift.
doi_str_mv 10.1364/OE.525478
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title Raman amplifier based on stimulated Raman scattering in a methane-filled hollow core fiber
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