Low-Phonon-Energy Rare-Earth doped Laser Gain Materials: Crystals vs. Glasses

Ei Ei Brown; Zackery Fleischman; Jason McKay; Larry Merkle; Uwe Hömmerich; Witold Palosz; Sudhir Trivedi; Mark Dubinskii

Conference on Lasers and Electro-Optics/Europe (CLEO/Europe 2023) and European Quantum Electronics Conference (EQEC 2023)
Technical Digest Series (Optica Publishing Group, 2023),
paper ca_3_1

Low-Phonon-Energy Rare-Earth doped Laser Gain Materials: Crystals vs. Glasses

Ei Ei Brown, Zackery Fleischman, Jason McKay, Larry Merkle, Uwe Hömmerich, Witold Palosz, Sudhir Trivedi, and Mark Dubinskii

The European Conference on Lasers and Electro-Optics 2023

Munich Germany
26–30 June 2023
ISBN: 979-8-3503-4599-5

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Novel laser materials (ca_3)

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E. E. Brown, Z. Fleischman, J. McKay, L. Merkle, U. Hömmerich, W. Palosz, S. Trivedi, and M. Dubinskii, "Low-Phonon-Energy Rare-Earth doped Laser Gain Materials: Crystals vs. Glasses," in Conference on Lasers and Electro-Optics/Europe (CLEO/Europe 2023) and European Quantum Electronics Conference (EQEC 2023), Technical Digest Series (Optica Publishing Group, 2023), paper ca_3_1.

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Abstract

Development of new solid-state mid-infrared (mid-IR) laser sources for wide range of applications in remote sensing, free-space communications, materials processing, and medicine remains to be a challenge, and demands advanced laser material development. RE³⁺ ions possess promising emission transitions in the mid-IR spectral region but require host materials with low maximum phonon energies to circumvent competing nonradiative multi-phonon relaxation (MPR), thus preserving high efficiency of mid-IR emission [1].

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