Effects of quenching and cooling upon near infrared luminescence of Bi/Er co-doped optical fiber

被引：9

作者：

Xu, Haijiao ^{[1
]}

Yan, Binbin ^{[1
]}

Lin, Jinfeng ^{[1
]}

Luo, Yanhua ^{[2
]}

Lu, Pengfei ^{[1
]}

Wang, Kuiru ^{[1
]}

Yuan, Jinhui ^{[1
]}

Sang, Xinzhu ^{[1
]}

CAi, Shiwei ^{[1
]}

Yu, Chongxiu ^{[1
]}

Peng, Gang-Ding ^{[2
]}

机构：

[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China

[2] Univ New South Wales, Sch Elect Engn, Photon & Opt Commun, Sydney, NSW 2052, Australia

来源：

OPTICAL MATERIALS EXPRESS | 2019年 / 9卷 / 07期

基金：

中国国家自然科学基金;

关键词：

BROAD-BAND EMISSION; PUMP WAVELENGTH; ACTIVE-CENTERS; SILICA FIBERS; BAC-AL; BISMUTH; PHOTOLUMINESCENCE; LASER; TEMPERATURE; DEPENDENCE;

D O I：

10.1364/OME.9.003156

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of thermal quenching and low-temperature cooling upon near infrared (NIR) luminescence of Bi/Er co-doped optical fiber (BEDF) are investigated by comparing the emission spectrum in different states. The experimental results indicate NIR luminescence has been significantly enhanced by quenching with appearance of two new luminescent centers at similar to 950 and 1230 nm, which are believed to be associated with two different bismuth active centers (BAC-Ge and BAC-A12). Furthermore, when the quenched fiber is immersed in liquid nitrogen for cooling, the luminescence from 900 to 1500 nm is further enhanced while the luminescence of Er3+ peaked at 1536 nm is decreased. To find out the optimal cumulative effect of quenching and cooling, the experiment of quenching and cooling are repeated multiple times. It is found that the highest luminescence intensity for the band 1000-1360 nm in BEDF is achieved at the second experiment. These results not only exhibit more intrinsic information of the spectral properties of BACs in Bi-doped fibers, but also provide a new way to control the formation of BACs, obtaining broader and higher luminescence. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：3156 / 3168

页数：13

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