Upconversion luminescence in Er3+ doped Ga10Ge 25S65 glass and glass-ceramic excited in the near-infrared

Whualkuer Lozano B.; Cid B. De Araújo; Yannick Ledemi; Younes Messaddeq

doi:10.1063/1.4793638

Upconversion luminescence in Er³⁺ doped Ga₁₀Ge ₂₅S₆₅ glass and glass-ceramic excited in the near-infrared

Whualkuer Lozano B., Cid B. De Araújo, Yannick Ledemi, Younes Messaddeq

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

The infrared-to-visible frequency upconversion was investigated in Er ³⁺-doped Ga₁₀Ge₂₅S₆₅ glass and in the transparent glass-ceramic obtained by heat-treatment of the glass above its glass-transition temperature. Continuous-wave and pulsed lasers operating at 980 nm and 1480 nm were used as excitation sources. The green (²H _11/2 → ⁴I_15/2; ⁴S_3/2 → ⁴I_15/2) and red (⁴F_9/2 → ⁴I_15/2) photoluminescence (PL) signals due to the Er³⁺ ions were characterized. The PL decay times were influenced by energy transfer among Er³⁺ ions, by cross-relaxation processes and by energy transfer from the Er³⁺ ions to the host material. The PL from the Er³⁺ ions hosted in the crystalline phase was distinguished only when the glass-ceramic was excited by the 1480 nm pulsed laser. The excitation pathways responsible for the green and red PL bands are discussed to explain the differences between the spectra observed under continuous-wave and pulsed excitation.

Original language	English
Article number	083520
Journal	Journal of Applied Physics
Volume	113
Issue number	8
DOIs	https://doi.org/10.1063/1.4793638
State	Published - 28 Feb 2013

Bibliographical note

Funding Information:
We acknowledge financial support from the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) and the Fundação de Amparo à Ciência e Tecnologia do Estado de Pernambuco (FACEPE). The work was performed in the framework of the Photonics National Institute project (INCT de Fotônica) and PRONEX.

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title = "Upconversion luminescence in Er3+ doped Ga10Ge 25S65 glass and glass-ceramic excited in the near-infrared",

abstract = "The infrared-to-visible frequency upconversion was investigated in Er 3+-doped Ga10Ge25S65 glass and in the transparent glass-ceramic obtained by heat-treatment of the glass above its glass-transition temperature. Continuous-wave and pulsed lasers operating at 980 nm and 1480 nm were used as excitation sources. The green (2H 11/2 → 4I15/2; 4S3/2 → 4I15/2) and red (4F9/2 → 4I15/2) photoluminescence (PL) signals due to the Er3+ ions were characterized. The PL decay times were influenced by energy transfer among Er3+ ions, by cross-relaxation processes and by energy transfer from the Er3+ ions to the host material. The PL from the Er3+ ions hosted in the crystalline phase was distinguished only when the glass-ceramic was excited by the 1480 nm pulsed laser. The excitation pathways responsible for the green and red PL bands are discussed to explain the differences between the spectra observed under continuous-wave and pulsed excitation.",

author = "{Lozano B.}, Whualkuer and {De Ara{\'u}jo}, {Cid B.} and Yannick Ledemi and Younes Messaddeq",

note = "Funding Information: We acknowledge financial support from the Conselho Nacional de Desenvolvimento Cient{\'i}fico e Tecnol{\'o}gico (CNPq) and the Funda{\c c}{\~a}o de Amparo {\`a} Ci{\^e}ncia e Tecnologia do Estado de Pernambuco (FACEPE). The work was performed in the framework of the Photonics National Institute project (INCT de Fot{\^o}nica) and PRONEX.",

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AU - Lozano B., Whualkuer

AU - De Araújo, Cid B.

AU - Ledemi, Yannick

AU - Messaddeq, Younes

N1 - Funding Information: We acknowledge financial support from the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) and the Fundação de Amparo à Ciência e Tecnologia do Estado de Pernambuco (FACEPE). The work was performed in the framework of the Photonics National Institute project (INCT de Fotônica) and PRONEX.

PY - 2013/2/28

Y1 - 2013/2/28

N2 - The infrared-to-visible frequency upconversion was investigated in Er 3+-doped Ga10Ge25S65 glass and in the transparent glass-ceramic obtained by heat-treatment of the glass above its glass-transition temperature. Continuous-wave and pulsed lasers operating at 980 nm and 1480 nm were used as excitation sources. The green (2H 11/2 → 4I15/2; 4S3/2 → 4I15/2) and red (4F9/2 → 4I15/2) photoluminescence (PL) signals due to the Er3+ ions were characterized. The PL decay times were influenced by energy transfer among Er3+ ions, by cross-relaxation processes and by energy transfer from the Er3+ ions to the host material. The PL from the Er3+ ions hosted in the crystalline phase was distinguished only when the glass-ceramic was excited by the 1480 nm pulsed laser. The excitation pathways responsible for the green and red PL bands are discussed to explain the differences between the spectra observed under continuous-wave and pulsed excitation.

AB - The infrared-to-visible frequency upconversion was investigated in Er 3+-doped Ga10Ge25S65 glass and in the transparent glass-ceramic obtained by heat-treatment of the glass above its glass-transition temperature. Continuous-wave and pulsed lasers operating at 980 nm and 1480 nm were used as excitation sources. The green (2H 11/2 → 4I15/2; 4S3/2 → 4I15/2) and red (4F9/2 → 4I15/2) photoluminescence (PL) signals due to the Er3+ ions were characterized. The PL decay times were influenced by energy transfer among Er3+ ions, by cross-relaxation processes and by energy transfer from the Er3+ ions to the host material. The PL from the Er3+ ions hosted in the crystalline phase was distinguished only when the glass-ceramic was excited by the 1480 nm pulsed laser. The excitation pathways responsible for the green and red PL bands are discussed to explain the differences between the spectra observed under continuous-wave and pulsed excitation.

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Upconversion luminescence in Er³⁺ doped Ga₁₀Ge ₂₅S₆₅ glass and glass-ceramic excited in the near-infrared

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