Cooperative upconversion in a new high Er-doped tellurite glass

Yongdan Hu; Shibin Jiang; Gino Sorbello; Tao Luo; Yong Ding; Bor Chyuan Hwang; Jung Hwan Kim; Hyo Jin Seo; Nasser Peyghambarian

doi:10.1117/12.424760

Cooperative upconversion in a new high Er-doped tellurite glass

Yongdan Hu, Shibin Jiang, Gino Sorbello, Tao Luo, Yong Ding, Bor Chyuan Hwang, Jung Hwan Kim, Hyo Jin Seo, Nasser Peyghambarian

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

15 Scopus citations

Abstract

A model for population dynamics of Er³⁺ in tellurite glasses with high erbium concentrations is proposed. Luminescence decay curves from transitions of ⁴I_13/2→ ⁴I_15/2 and ⁴S_3/2→⁴I_15/2 were measured experimentally. Cooperative upconversion coefficients were obtained by numerically solving the rate equations of the model to fit the population dynamics of the ⁴I_13/2 and ⁴S_3/2 levels. The cooperative upconversion coefficient for ⁴I_13/2+⁴I_13/2→ ⁴I_9/2+⁴I_15/2 is found to be 2.74×10^-18 cm³/s and for ⁴I_11/2+⁴I_11/2→ ⁴I_15/2+²F_7/2 is 1.09×10^-18 cm³/s. The model provides a good basis for explaining the experiment data as it shows a high sensitivity to the input fitting parameters. This model can be used to analyze spectroscopic properties of Er³⁺ ions in glass hosts where various energy levels of Er³⁺ and transitions between them cannot be neglected.

Original language	English (US)
Pages (from-to)	57-74
Number of pages	18
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	4282
DOIs	https://doi.org/10.1117/12.424760
State	Published - 2001

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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title = "Cooperative upconversion in a new high Er-doped tellurite glass",

abstract = "A model for population dynamics of Er3+ in tellurite glasses with high erbium concentrations is proposed. Luminescence decay curves from transitions of 4I13/2→ 4I15/2 and 4S3/2→4I15/2 were measured experimentally. Cooperative upconversion coefficients were obtained by numerically solving the rate equations of the model to fit the population dynamics of the 4I13/2 and 4S3/2 levels. The cooperative upconversion coefficient for 4I13/2+4I13/2→ 4I9/2+4I15/2 is found to be 2.74×10-18 cm3/s and for 4I11/2+4I11/2→ 4I15/2+2F7/2 is 1.09×10-18 cm3/s. The model provides a good basis for explaining the experiment data as it shows a high sensitivity to the input fitting parameters. This model can be used to analyze spectroscopic properties of Er3+ ions in glass hosts where various energy levels of Er3+ and transitions between them cannot be neglected.",

author = "Yongdan Hu and Shibin Jiang and Gino Sorbello and Tao Luo and Yong Ding and Hwang, {Bor Chyuan} and Kim, {Jung Hwan} and Seo, {Hyo Jin} and Nasser Peyghambarian",

year = "2001",

doi = "10.1117/12.424760",

language = "English (US)",

volume = "4282",

pages = "57--74",

journal = "Proceedings of SPIE - The International Society for Optical Engineering",

issn = "0277-786X",

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TY - JOUR

T1 - Cooperative upconversion in a new high Er-doped tellurite glass

AU - Hu, Yongdan

AU - Jiang, Shibin

AU - Sorbello, Gino

AU - Luo, Tao

AU - Ding, Yong

AU - Hwang, Bor Chyuan

AU - Kim, Jung Hwan

AU - Seo, Hyo Jin

AU - Peyghambarian, Nasser

PY - 2001

Y1 - 2001

N2 - A model for population dynamics of Er3+ in tellurite glasses with high erbium concentrations is proposed. Luminescence decay curves from transitions of 4I13/2→ 4I15/2 and 4S3/2→4I15/2 were measured experimentally. Cooperative upconversion coefficients were obtained by numerically solving the rate equations of the model to fit the population dynamics of the 4I13/2 and 4S3/2 levels. The cooperative upconversion coefficient for 4I13/2+4I13/2→ 4I9/2+4I15/2 is found to be 2.74×10-18 cm3/s and for 4I11/2+4I11/2→ 4I15/2+2F7/2 is 1.09×10-18 cm3/s. The model provides a good basis for explaining the experiment data as it shows a high sensitivity to the input fitting parameters. This model can be used to analyze spectroscopic properties of Er3+ ions in glass hosts where various energy levels of Er3+ and transitions between them cannot be neglected.

AB - A model for population dynamics of Er3+ in tellurite glasses with high erbium concentrations is proposed. Luminescence decay curves from transitions of 4I13/2→ 4I15/2 and 4S3/2→4I15/2 were measured experimentally. Cooperative upconversion coefficients were obtained by numerically solving the rate equations of the model to fit the population dynamics of the 4I13/2 and 4S3/2 levels. The cooperative upconversion coefficient for 4I13/2+4I13/2→ 4I9/2+4I15/2 is found to be 2.74×10-18 cm3/s and for 4I11/2+4I11/2→ 4I15/2+2F7/2 is 1.09×10-18 cm3/s. The model provides a good basis for explaining the experiment data as it shows a high sensitivity to the input fitting parameters. This model can be used to analyze spectroscopic properties of Er3+ ions in glass hosts where various energy levels of Er3+ and transitions between them cannot be neglected.

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JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

ER -

Cooperative upconversion in a new high Er-doped tellurite glass

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