Mid-infrared photoluminescence in small-core fiber of praseodymium-ion doped selenide-based chalcogenide glass

Tang, Zhuoqi; Furniss, David; Fay, Michael; Sakr, Hesham; S�jka, Lukasz; Neate, Nigel; Weston, Nicola; Sujecki, Slawomir; Benson, Trevor M.; Seddon, Angela B.

Abstract

© 2015 Optical Society of America. Rare earth (RE)-ion doped chalcogenide glasses are attractive for mid-infrared (MIR) fiber lasers for operation >4 μm. Our prior modeling suggests that praseodymium (Pr) is a suitable RE-ion dopant for realizing a selenide-based, chalcogenide-glass, step index fiber (SIF) MIR fiber laser operating at 4-5 μm wavelength. Fabrication of RE-ion doped chalcogenide glass fiber, especially with a small core, is a demanding process because crystallization must be avoided during the heat treatments required to effect shaping. Here, a 500 ppmw (parts per million parts, by weight) Pr3+-doped Ge-As-Ga-Se glass SIF with a 10 μm or 15 μm diameter core is reported; the cladding glass is Ge-As-Ga-Se-S. The multistage process to produce the fiber is outlined. Thermal and optical properties of the core/clad. glass pair, and the crystalline/amorphous nature and optical behavior of the small core fiber are reported. MIR photoluminescence and lifetime of a RE-ion doped chalcogenide glass small core fiber are reported for the first time.

Citation

Tang, Z., Furniss, D., Fay, M., Sakr, H., Sójka, L., Neate, N., Weston, N., Sujecki, S., Benson, T. M., & Seddon, A. B. (2015). Mid-infrared photoluminescence in small-core fiber of praseodymium-ion doped selenide-based chalcogenide glass. Optical Materials Express, 5(4), 870-886. https://doi.org/10.1364/OME.5.000870

• Journal Article Type: Article
• Acceptance Date: Feb 13, 2015
• Online Publication Date: Mar 25, 2015
• Publication Date: Apr 1, 2015
• Deposit Date: Sep 13, 2018
• Journal: Optical Materials Express
• Electronic ISSN: 2159-3930
• Publisher: Optical Society of America
• Peer Reviewed: Peer Reviewed
• Volume: 5
• Issue: 4
• Pages: 870-886
• DOI: https://doi.org/10.1364/OME.5.000870
• Keywords: Electronic, Optical and Magnetic Materials
• Public URL: https://nottingham-repository.worktribe.com/output/1103467
• Publisher URL: https://www.osapublishing.org/ome/abstract.cfm?uri=ome-5-4-870