Optical properties of Nd3+ ions in transparent PLZT ceramics

Zhiqiang Zheng; Hai Ming; Jiwen Yang; Baozeng Li; Hua Jiang; Xuesheng Chen; Jianping Xie

doi:10.1117/12.572669

17 January 2005 Optical properties of Nd³⁺ ions in transparent PLZT ceramics

Zhiqiang Zheng, Hai Ming, Jiwen Yang, Baozeng Li, Hua Jiang, Xuesheng Chen, Jianping Xie

Author Affiliations +

Proceedings Volume 5644, Optoelectronic Devices and Integration; (2005) https://doi.org/10.1117/12.572669
Event: Photonics Asia, 2004, Beijing, China

Abstract

Optical absorption, excitation and emission spectra of Nd³⁺ in PLZT ceramics have been studied. Based on the Judd-Ofelt (J-O) theory, the J-O intensity parameters are calculated to be Ω₂=0.7199x10^-20 cm², Ω₄=1.045x10^-20 cm², Ω₆=0.9234x10^-20 cm² from the absorption spectrum of Nd³⁺-doped PLZT. The J-O intensity parameters have been used to calculate the radiative lifetime (0.385 ms) of the excited ⁴F_3/2 level. The stimulated emission cross-sections and the fluorescence branch ratios for the ⁴F_3/2 -> ⁴I_J transitions are also evaluated. We have also measured 1.068 mm fluorescence lifetime (0.168 ms) and calculated its Quantum efficiency (0.44). Under 807 nm excitation, the green and red upconversion luminescence from Nd³⁺ centers in the ceramic was observed at room temperature. Analysis reveals that Nd³⁺-doped PLZT is promising for the use as efficient optically amplifying or zero-loss electro-optical devices in telecommunication networks.

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Zhiqiang Zheng, Hai Ming, Jiwen Yang, Baozeng Li, Hua Jiang, Xuesheng Chen, and Jianping Xie "Optical properties of Nd³⁺ ions in transparent PLZT ceramics", Proc. SPIE 5644, Optoelectronic Devices and Integration, (17 January 2005); https://doi.org/10.1117/12.572669

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