Multi-wavelength high-energy gas-filled fiber Raman laser spanning from 1.53  µm to 2.4  µm

Abubakar Isa Adamu, Yazhou Wang, Md Selim Habib, Manoj Kumar Dasa, J. E. Antonio-Lopez, Rodrigo Amezcua-Correa, Ole Bang, Christos Markos*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

In this work, we present a high-pulse-energy multi-wavelength Raman laser spanning from 1.53 µm up to 2.4 µm by employing the cascaded rotational stimulated Raman scattering effect in a 5 m hydrogen (H2)-filled nested anti-resonant fiber, pumped by a linearly polarized Er/Yb fiber laser with a peak power of ∼13kW and pulse duration of ∼7ns in the C-band. The developed Raman laser has distinct lines at 1683 nm, 1868 nm, 2100 nm, and 2400 nm, with pulse energies as high as 18.25 µJ, 14.4 µJ, 14.1 µJ, and 8.2 µJ, respectively. We demonstrate how the energy in the Raman lines can be controlled by tuning the H2 pressure from 1 bar to 20 bar.
Original languageEnglish
JournalOptics Letters
Volume46
Issue number3
Pages (from-to)452-455
ISSN0146-9592
DOIs
Publication statusPublished - 2021

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