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Updated: Jul 16, 2026
10:17
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
Ultrabright Upconversion in Thermally Crystallized BaYF5:Yb,Er Glass-Ceramics via Dopant Enrichment for
Tianfeng Weng1,2, Simone Lamon1,2, Zongsong Gan1
1School of Artificial Intelligence Science and Technology, University of Shanghai for Science and Technology, Shanghai 200093, China.
ACS Applied Materials & Interfaces
|July 14, 2026
Summary
Researchers developed ultrabright upconversion luminescence in novel glass-ceramics for ultrafast all-optical data encoding. This breakthrough enhances photonic memory and computation efficiency using advanced materials.
Area of Science:
- Materials Science
- Photonics
- Nanotechnology
Background:
- All-optical data encoding faces challenges due to weak nonlinearities and low emission efficiencies in conventional materials.
- Upconversion luminescence offers strong nonlinear behavior but is limited by host material inefficiencies and dopant distribution issues.
Purpose of the Study:
- To overcome low upconversion efficiency and dopant inhomogeneity in photonic materials.
- To develop a highly reconfigurable platform for advanced all-optical information processing.
Main Methods:
- Thermally crystallized BaYF5:Yb,Er glass-ceramics with controlled Er3+ enrichment in BaF5 nanocrystals.
- Theoretical modeling and experimental validation of energy transfer and emission properties.
- Power- and pulse-width-modulated excitation for precise control of spectral and temporal outputs.
Main Results:
- Achieved ultrabright upconversion emission with enhancement factors of 113- to 118-fold for blue, green, and red channels.
- Demonstrated prolonged emission lifetimes, suppressed nonradiative relaxation, and clear saturation behavior.
- Successfully implemented multidimensional data encoding and optical logic gates with high fidelity.
Conclusions:
- Thermally crystallized BaYF5:Yb,Er glass-ceramics provide a robust platform for efficient all-optical data encoding.
- The developed system offers scalable functionality for advanced photonic information processing.
- Controlled nanocrystal engineering significantly enhances upconversion luminescence for practical applications.
