Generation of 1.5 μm emission through an upconversion-mediated looping mechanism in Er3+/Sc3+-codoped LiNbO3 single crystal

Guanying Chen; Liming Yang; Chao Xu; Shuwei Hao; Hailong Qiu; Liang Sun; Yuheng Xu; Chunhui Yang

doi:10.1364/OL.37.001268

Generation of 1.5 μm emission through an upconversion-mediated looping mechanism in Er³⁺/Sc³⁺-codoped LiNbO₃ single crystal

Guanying Chen^*
, Liming Yang
, Chao Xu
, Shuwei Hao
, Hailong Qiu
, Liang Sun
, Yuheng Xu
, Chunhui Yang

^*Corresponding author for this work

School of Chemistry and Chemical Engineering, Harbin Institute of Technology
SUNY Buffalo
Harbin Medical University

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

11 Scopus citations

Abstract

Important for telecommunications, luminescence of trivalent erbium (Er) at 1.5 μm generally arises from a Stokesshifted downconversion mechanism. We show that this luminescence following direct excitation of the ⁴I_11/2 state is generated by upconversion-mediated looping process in Er³⁺/Sc³⁺-codoped LiNbO₃ single crystal. Emissions at 1.0 and 1.5 μmfrom the ⁴I_11/2 and ⁴I_13/2 states display linear and quadratic dependences on the excitation density in two separated ranges with a threshold of 20 W/cm ². This observation correlates with two- and four-photon processes in green and red upconversion emissions. The mechanism described has implications in the improvement of the output of 1.5 μm luminescence.

Original language	English
Pages (from-to)	1268-1270
Number of pages	3
Journal	Optics Letters
Volume	37
Issue number	7
DOIs	https://doi.org/10.1364/OL.37.001268
State	Published - 1 Apr 2012
Externally published	Yes

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title = "Generation of 1.5 μm emission through an upconversion-mediated looping mechanism in Er3+/Sc3+-codoped LiNbO3 single crystal",

abstract = "Important for telecommunications, luminescence of trivalent erbium (Er) at 1.5 μm generally arises from a Stokesshifted downconversion mechanism. We show that this luminescence following direct excitation of the 4I11/2 state is generated by upconversion-mediated looping process in Er3+/Sc3+-codoped LiNbO3 single crystal. Emissions at 1.0 and 1.5 μmfrom the 4I11/2 and 4I13/2 states display linear and quadratic dependences on the excitation density in two separated ranges with a threshold of 20 W/cm 2. This observation correlates with two- and four-photon processes in green and red upconversion emissions. The mechanism described has implications in the improvement of the output of 1.5 μm luminescence.",

author = "Guanying Chen and Liming Yang and Chao Xu and Shuwei Hao and Hailong Qiu and Liang Sun and Yuheng Xu and Chunhui Yang",

year = "2012",

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doi = "10.1364/OL.37.001268",

language = "英语",

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TY - JOUR

T1 - Generation of 1.5 μm emission through an upconversion-mediated looping mechanism in Er3+/Sc3+-codoped LiNbO3 single crystal

AU - Chen, Guanying

AU - Yang, Liming

AU - Xu, Chao

AU - Hao, Shuwei

AU - Qiu, Hailong

AU - Sun, Liang

AU - Xu, Yuheng

AU - Yang, Chunhui

PY - 2012/4/1

Y1 - 2012/4/1

N2 - Important for telecommunications, luminescence of trivalent erbium (Er) at 1.5 μm generally arises from a Stokesshifted downconversion mechanism. We show that this luminescence following direct excitation of the 4I11/2 state is generated by upconversion-mediated looping process in Er3+/Sc3+-codoped LiNbO3 single crystal. Emissions at 1.0 and 1.5 μmfrom the 4I11/2 and 4I13/2 states display linear and quadratic dependences on the excitation density in two separated ranges with a threshold of 20 W/cm 2. This observation correlates with two- and four-photon processes in green and red upconversion emissions. The mechanism described has implications in the improvement of the output of 1.5 μm luminescence.

AB - Important for telecommunications, luminescence of trivalent erbium (Er) at 1.5 μm generally arises from a Stokesshifted downconversion mechanism. We show that this luminescence following direct excitation of the 4I11/2 state is generated by upconversion-mediated looping process in Er3+/Sc3+-codoped LiNbO3 single crystal. Emissions at 1.0 and 1.5 μmfrom the 4I11/2 and 4I13/2 states display linear and quadratic dependences on the excitation density in two separated ranges with a threshold of 20 W/cm 2. This observation correlates with two- and four-photon processes in green and red upconversion emissions. The mechanism described has implications in the improvement of the output of 1.5 μm luminescence.

UR - https://www.scopus.com/pages/publications/84859205490

U2 - 10.1364/OL.37.001268

DO - 10.1364/OL.37.001268

M3 - 文章

C2 - 22466217

AN - SCOPUS:84859205490

SN - 0146-9592

VL - 37

SP - 1268

EP - 1270

JO - Optics Letters

JF - Optics Letters

IS - 7

ER -

Generation of 1.5 μm emission through an upconversion-mediated looping mechanism in Er³⁺/Sc³⁺-codoped LiNbO₃ single crystal

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