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20 June 2024 Femtosecond laser inscription of near-IR laser-gain medium based on laser-induced hydride donor/acceptor complexes
Yannick G. Petit, Fouad Alassani, Guillaume Raffy, Mathis Carpentier, Joëlle Harb, Véronique Jubéra, André Del Guerzo, Lionel Canioni, Thierry Cardinal
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Proceedings Volume PC13005, Laser + Photonics for Advanced Manufacturing ; PC130050H (2024) https://doi.org/10.1117/12.3017524
Event: SPIE Photonics Europe, 2024, Strasbourg, France
Abstract
Femtosecond laser inscription is a unique approach to achieve non-conventional manufacturing of integrated photonic devices such as laser waveguides. Our approach relies on sensitized glasses containing both silver and Ytterbium ions. Laser inscription allows for the 3D-localized production of highly luminescent molecular silver clusters that support waveguiding architectures. We demonstrate efficient energy transfers from silver clusters to Ytterbium, allowing for background-free 3D-localized near-IR emission. Near-IR laser amplification under indirect pumping is demonstrated, depicting the localized creation of a hybrid laser gain medium involving silver clusters and Ytterbium ions as donor/acceptor pairs. Further work targets to demonstrate integrated laser behavior.
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Yannick G. Petit, Fouad Alassani, Guillaume Raffy, Mathis Carpentier, Joëlle Harb, Véronique Jubéra, André Del Guerzo, Lionel Canioni, and Thierry Cardinal "Femtosecond laser inscription of near-IR laser-gain medium based on laser-induced hydride donor/acceptor complexes", Proc. SPIE PC13005, Laser + Photonics for Advanced Manufacturing , PC130050H (20 June 2024); https://doi.org/10.1117/12.3017524
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KEYWORDS
Silver
Ions
Ytterbium
Femtosecond phenomena
Waveguides
Energy transfer
Glasses
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