Breaking through the wavelength barrier: The state-of-play on rare-earth ion, mid-infrared fiber lasers for the 4–10 μm wavelength region

Seddon, Angela B.; Sójka, Ł.; Shen, Meili; Tang, Zhuoqi; Furniss, David; Barney, Emma R.; Sakr, Hesham; Jayasuriya, D.; Parnell, Harriet; Butterworth, J. H.; Crane, Richard; Nunes, Joel; Mabwa, David; Farries, M.C.; Phang, Sendy; Benson, T.M.; Sujecki, Sławomir

doi:10.1016/b978-0-12-818017-4.00012-4

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“…One more approach that has recently started to become reality are rare earth ions doped chalcogenide fiber lasers as well as luminescent sources. The comprehensive reviews of the current state-of-play in the field have recently been published [5,6].…”

Section: Introductionmentioning

confidence: 99%

Characteristics of a CW ∼5 μm Ce³⁺-doped chalcogenide glass fiber laser

Колташев¹,

Фролов²,

Leonov³

et al. 2023

Laser Phys. Lett.

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Energy, spectral and temporal characteristics of a Ce3+-doped chalcogenide glass fiber laser continuously pumped by a 4.16 μm Fe2+:ZnSe laser were investigated. Milliwatt level output power was obtained. In case of low Q-factor of the resonator the laser operated at λ = 4.62 μm corresponding to the narrow peak in Ce3+ emission spectrum. At higher Q-factor, the lasing wavelength changed to 5.0–5.1 μm corresponding to the plateau in the gain spectrum. In contrast to Tb3+-doped mid-infrared fiber lasers, Ce3+-doped fiber laser had no tendency to non-relaxing spike operation.

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Section: Introductionmentioning

confidence: 99%