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Title: | Dual-wavelength thulium/holmium-doped fiber laser generation in 2 μm region with high side-mode suppression ratio | Authors: | Lau, K.Y. Zainol Abidin, N.H. Cholan, N.A. Abas, A.F. Alresheedi, M.T. Mahdi, M.A. |
Issue Date: | 2019 | Abstract: | We demonstrate a dual-wavelength laser with emission in the 2 μm wavelength region using a thulium/holmium co-doped fiber and a non-adiabatic tapered fiber as a comb filter. The configuration employed a backward pumping scheme and dual-wavelength laser was generated at 2023.53 and 2032.82 nm. The side-mode suppression ratio (SMSR) is more than 44 dB with overall good stability performance. The proposed configuration presents a simple yet practical scheme of generating 2 μm dual-wavelength laser with good SMSR. This investigation may offer a more efficient yet eye safe dual-wavelength related applications for end users. © 2019 IOP Publishing Ltd. | DOI: | 10.1088/2040-8986/ab05af |
Appears in Collections: | UNITEN Scholarly Publication |
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