Nd3+ laser oscillation in fluoride crystals at 1.3-μm short wavelength wing of 4F3/2-4I13/2 transition

V. B. Sigachev; T. T. Basiev; M. E. Doroshenko; V. V. Osiko; A. G. Papashvili

doi:10.1364/CLEO_EUROPE.1994.CFC8

1994 Conference on Lasers and Electro-Optics Europe
Technical Digest Series (Optica Publishing Group, 1994),
paper CFC8
•https://doi.org/10.1364/CLEO_EUROPE.1994.CFC8

Nd³⁺ laser oscillation in fluoride crystals at 1.3-μm short wavelength wing of ⁴F_3/2-⁴I_13/2 transition

V. B. Sigachev, T. T. Basiev, M. E. Doroshenko, V. V. Osiko, and A. G. Papashvili

The European Conference on Lasers and Electro-Optics 1994

Amsterdam Netherlands
28 August–2 September 1994
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Rare Earth Solid-State Lasers (CFC)

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V. B. Sigachev, T. T. Basiev, M. E. Doroshenko, V. V. Osiko, and A. G. Papashvili, "Nd3+ laser oscillation in fluoride crystals at 1.3-μm short wavelength wing of 4F3/2-4I13/2 transition," in 1994 Conference on Lasers and Electro-Optics Europe, Technical Digest Series (Optica Publishing Group, 1994), paper CFC8.

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Abstract

Nd³⁺-doped laser media providing gain in (1.30 ± 0.02) μm spectral region can be a potential active materials for optical amplifiers suitable for fiber-optical communication systems. Usually this spectral region corresponds to short wavelength boundary of ⁴F_3/2−⁴I_13/2 emission of Nd³⁺ ions. But the positive gain here can be suppressed because of the excited-state absorption (ESA) at the ⁴F_3/2–⁴G_7/2 transition. In this paper we report on the spectroscopic and laser study of a number of Nd³⁺ doped fluoride crystals with disordered structure in the 1.3-μm wave length region. The most promising crystalline fluorides with small ESA and positive gain in 1.3-μm telecommunication window were identified.

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