Characterization of cooperative upconversion and energy transfer of Er3+ and Yb3+/Er3+ doped phosphate glasses

Bor-Chyuan Hwang; Shibin Jiang; Tao Luo; Lydia Le Neindre; Jason Watson; Nasser Peyghambarian

doi:10.1117/12.344510

1 April 1999 Characterization of cooperative upconversion and energy transfer of Er3+ and Yb3+/Er3+ doped phosphate glasses

Bor-Chyuan Hwang, Shibin Jiang, Tao Luo, Lydia Le Neindre, Jason Watson, Nasser Peyghambarian

Author Affiliations +

Proceedings Volume 3622, Rare-Earth-Doped Materials and Devices III; (1999) https://doi.org/10.1117/12.344510
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

Abstract

Cooperative upconversion and Yb³⁺-Er³⁺ energy transfer in newly developed phosphate glasses were studied in this paper. The cooperative upconversion coefficients of ⁴I_13/2 level for different Er³⁺ concentrations were deduced from the pump intensity- dependent luminescence decay curves. Yb³⁺-Er³⁺ energy transfer efficiencies for different Yb³⁺ concentrations codoped with Er³⁺ (approximately 2 X 10²⁰ ions/cm³) were estimated from the lifetime measurements of ²F_5/2 level of Yb³⁺ ions. The small cooperative upconversion coefficients and high Yb³⁺-Er³⁺ energy transfer efficiencies indicate these newly developed Er³⁺ and Yb³⁺/Er³⁺ doped phosphate glasses are excellent for amplifier and laser applications.

Citation Download Citation

Bor-Chyuan Hwang, Shibin Jiang, Tao Luo, Lydia Le Neindre, Jason Watson, and Nasser Peyghambarian "Characterization of cooperative upconversion and energy transfer of Er3+ and Yb3+/Er3+ doped phosphate glasses", Proc. SPIE 3622, Rare-Earth-Doped Materials and Devices III, (1 April 1999); https://doi.org/10.1117/12.344510

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