Near-infrared emission in barium gallo-germanate glasses doped with Pr3+ and co-doped with Ce3+ and Pr3+ for broadband optical amplifiers

Marta Soltys; Agata Górny; Lidia Zur; Maurizio Ferrari; Giancarlo C. Righini; Dominik Dorosz; Wojciech A. Pisarski; Joanna Pisarska

doi:10.1117/12.2306373

17 May 2018 Near-infrared emission in barium gallo-germanate glasses co-doped with Ce³⁺ and Pr³⁺ for broadband optical amplifiers

Marta Soltys, Agata Górny, Lidia Zur, Maurizio Ferrari, Giancarlo C. Righini, Dominik Dorosz, Wojciech A. Pisarski, Joanna Pisarska

Author Affiliations +

Proceedings Volume 10683, Fiber Lasers and Glass Photonics: Materials through Applications; 106832N (2018) https://doi.org/10.1117/12.2306373
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

Near-infrared emission in barium gallo-germanate glasses containing rare earth ions for broadband optical amplifiers were studied. Among the rare earths, the trivalent praseodymium and cerium ions were selected as an optically active dopants. In order to examine the spectroscopic properties of these glasses doped with Pr³⁺ and co-doped with Ce³⁺ and Pr³⁺ ions the luminescence spectra were registered. The energy transfer processes between cerium and praseodymium ions in barium gallo-germanate glasses have been also investigated. The intense near-infrared luminescence bands corresponding to characteristic transitions of Pr³⁺ ions in singly and doubly doped glass systems were observed. It has been proved that our glasses exhibit intense 1.5 μm emission originating from ¹D₂ → ¹G₄ transition of Pr³⁺ under direct excitation (445 nm). Moreover, the experimental results indicated that energy transfer between Ce³⁺ and Pr³⁺ is not effective for barium gallo-germanate glasses.

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Marta Soltys, Agata Górny, Lidia Zur, Maurizio Ferrari, Giancarlo C. Righini, Dominik Dorosz, Wojciech A. Pisarski, and Joanna Pisarska "Near-infrared emission in barium gallo-germanate glasses co-doped with Ce³⁺ and Pr³⁺ for broadband optical amplifiers", Proc. SPIE 10683, Fiber Lasers and Glass Photonics: Materials through Applications, 106832N (17 May 2018); https://doi.org/10.1117/12.2306373

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