Frequency upconversion of Er3+ in Ga2S3-GeS2-La2S3 glasses

Kohei Kadono; Masahide Takahashi; Hiroto Higuchi; Masanori Shojiya; Tomoko Ohtsuki; Yoji Kawamoto; Nasser Peyghambarian

doi:10.1117/12.271165

2 May 1997 Frequency upconversion of Er3+ in Ga₂S ₃-GeS₂-La₂S₃glasses

Kohei Kadono, Masahide Takahashi, Hiroto Higuchi, Masanori Shojiya, Tomoko Ohtsuki, Yoji Kawamoto, Nasser Peyghambarian

Proceedings Volume 2996, Rare-Earth-Doped Devices; (1997) https://doi.org/10.1117/12.271165
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

Glasses containing Er³⁺ ions of 0.3 to 7 cation mol percent were prepared in the system of Ga₂S₃-GeS₂-LaS₃. Frequency upconversion spectra of Er³⁺ in the glasses were measured under the excitation at 800 nm and 980 nm. Green emissions at 533 nm (²H_11/2yields⁴I_15/2) and 552 nm (⁴S_3/2yields⁴I_15/2), and red emission at 665 nm (⁴F_9/2yields⁴I_15/2) were observed.In addition to these emission bands, 497 nm emission assigned to the ⁴F_7/2yields⁴I_15/2 transition was observed. The spectral properties are analyzed from the view points of low phonon energy property and high refractive index.

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Kohei Kadono, Masahide Takahashi, Hiroto Higuchi, Masanori Shojiya, Tomoko Ohtsuki, Yoji Kawamoto, and Nasser Peyghambarian "Frequency upconversion of Er3+ in Ga₂S ₃-GeS₂-La₂S₃glasses", Proc. SPIE 2996, Rare-Earth-Doped Devices, (2 May 1997); https://doi.org/10.1117/12.271165

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