Emission and absorption cross sections of Er3+:LiNbO3 crystal: Composition effect

De-Long Zhang; Wen-Bao Sun; Wing-Han Wong; Edwin Yue-Bun Pun

doi:10.1364/OME.5.001920

Emission and absorption cross sections of Er³⁺:LiNbO₃ crystal: Composition effect

De-Long Zhang^*, Wen-Bao Sun, Wing-Han Wong^*, Edwin Yue-Bun Pun

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

12 Citations (Scopus)

1 Downloads (CityUHK Scholars)

Abstract

We report Er³⁺-doping, Mg²⁺-codoping and crystal composition effects on emission and absorption cross sections of Er³⁺-only doped and Er³⁺/Mg²⁺-codoped LiNbO₃ crystals, in which Er³⁺ concentration ranges from 0.3 to 2.7 mol% and Mg²⁺ concentration from 1.2 to 7.4 mol%. The emission cross section spectra were calculated from the measured fluorescent spectra and the absorption cross section spectra were computed using the McCumber relation. The results show that increasing Er³⁺ concentration tends to decrease the cross section, while codoping with Mg²⁺ or increasing crystal composition tends to increase the cross section. As the composition is close to the stoichiometry, the cross section value tends to a constant. These effects are related to Er3+ site redistribution induced by doping or crystal composition alteration.

Original language	English
Pages (from-to)	1920-1926
Journal	Optical Materials Express
Volume	5
Issue number	9
DOIs	https://doi.org/10.1364/OME.5.001920
Publication status	Published - 2015

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@article{8c13530ab59a4325b65e4d6d9884e2e2,

title = "Emission and absorption cross sections of Er3+:LiNbO3 crystal: Composition effect",

abstract = "We report Er3+-doping, Mg2+-codoping and crystal composition effects on emission and absorption cross sections of Er3+-only doped and Er3+/Mg2+-codoped LiNbO3 crystals, in which Er3+ concentration ranges from 0.3 to 2.7 mol% and Mg2+ concentration from 1.2 to 7.4 mol%. The emission cross section spectra were calculated from the measured fluorescent spectra and the absorption cross section spectra were computed using the McCumber relation. The results show that increasing Er3+ concentration tends to decrease the cross section, while codoping with Mg2+ or increasing crystal composition tends to increase the cross section. As the composition is close to the stoichiometry, the cross section value tends to a constant. These effects are related to Er3+ site redistribution induced by doping or crystal composition alteration.",

author = "De-Long Zhang and Wen-Bao Sun and Wing-Han Wong and Pun, {Edwin Yue-Bun}",

year = "2015",

doi = "10.1364/OME.5.001920",

language = "English",

volume = "5",

pages = "1920--1926",

journal = "Optical Materials Express",

issn = "2159-3930",

publisher = "OPTICAL SOC AMER",

number = "9",

}

TY - JOUR

T1 - Emission and absorption cross sections of Er3+:LiNbO3 crystal

T2 - Composition effect

AU - Zhang, De-Long

AU - Sun, Wen-Bao

AU - Wong, Wing-Han

AU - Pun, Edwin Yue-Bun

PY - 2015

Y1 - 2015

N2 - We report Er3+-doping, Mg2+-codoping and crystal composition effects on emission and absorption cross sections of Er3+-only doped and Er3+/Mg2+-codoped LiNbO3 crystals, in which Er3+ concentration ranges from 0.3 to 2.7 mol% and Mg2+ concentration from 1.2 to 7.4 mol%. The emission cross section spectra were calculated from the measured fluorescent spectra and the absorption cross section spectra were computed using the McCumber relation. The results show that increasing Er3+ concentration tends to decrease the cross section, while codoping with Mg2+ or increasing crystal composition tends to increase the cross section. As the composition is close to the stoichiometry, the cross section value tends to a constant. These effects are related to Er3+ site redistribution induced by doping or crystal composition alteration.

AB - We report Er3+-doping, Mg2+-codoping and crystal composition effects on emission and absorption cross sections of Er3+-only doped and Er3+/Mg2+-codoped LiNbO3 crystals, in which Er3+ concentration ranges from 0.3 to 2.7 mol% and Mg2+ concentration from 1.2 to 7.4 mol%. The emission cross section spectra were calculated from the measured fluorescent spectra and the absorption cross section spectra were computed using the McCumber relation. The results show that increasing Er3+ concentration tends to decrease the cross section, while codoping with Mg2+ or increasing crystal composition tends to increase the cross section. As the composition is close to the stoichiometry, the cross section value tends to a constant. These effects are related to Er3+ site redistribution induced by doping or crystal composition alteration.

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U2 - 10.1364/OME.5.001920

DO - 10.1364/OME.5.001920

M3 - RGC 21 - Publication in refereed journal

SN - 2159-3930

VL - 5

SP - 1920

EP - 1926

JO - Optical Materials Express

JF - Optical Materials Express

IS - 9

ER -