Journal article Open Access

Heavy-oxide glasses with superior mechanical assets for nonlinear fiber applications in the mid-infrared

Clément Strutynski; Florian Calzavara; Théo Guerineau; Laura Loi; Romain Laberdesque; Jean-Michel Rampnoux; Steeve Morency; Yannick Ledemi; Yannick Petit; Marc Dussauze; Frédéric Désévédavy; Frédéric Smektala; Sylvain Danto; Lionel Canioni; Younes Messaddeq; Evelyne Fargin; Thierry Cardinal

The ability to produce robust fiber-based integrated optical systems operating over a wide spectral domain (UV to mid-infrared), is one of today’s key challenges in photonics. This work reports on the production of crystal-free, light guiding fibers from rich Ga2O3 oxide-based glass compositions. These materials show optical transmission extending from ultraviolet wavelengths (∼0.280 µm) up to 6 µm in the IR for millimeter length scale while exhibiting relatively high vitreous transition temperatures (∼735 °C), nonlinear optical properties and improved surface micro-hardness. This combination of superior thermal, mechanical and optical properties represents a promising alternative for the development of robust fibers operating in the visible up to the 3–5 µm window.

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