Highly efficient 1.54 μm emission in Zr/Yb/Er-codoped LiNbO3 crystal

被引：9
|
作者：
Qian, Yannan [1 ]
Wang, Rui [2 ]
Wang, Biao [1 ]
Xu, Chao [2 ]
Xing, Lili [2 ]
Xu, Yanling [2 ]
机构：
[1] Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou 510275, Guangdong, Peoples R China
[2] Harbin Inst Technol, Dept Chem, Harbin 150001, Peoples R China
来源：
OPTICS LETTERS | 2012年 / 37卷 / 20期
基金：
中国国家自然科学基金; 黑龙江省自然科学基金;
关键词：
UP-CONVERSION; NIOBATE; LASER; GLASS; ER;
D O I：
10.1364/OL.37.004176
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Codoping with Zr4+ ions enhances the 1.54 mu m emission in Yb/Er: LiNbO3 crystal by about three times. Optical damage resistant Zr4+ ion increases the maximum phonon energy of Er: LiNbO3 host, which is favorable for the nonradiative relaxation from I-4(11/2) to I-4(13/2) state (Er). The time decay spectra show that the incorporation of Zr4+ ions leads to a shortening lifetime of I-4(11/2) state (Er), increasing the nonradiative relaxation rate of I-4(11/2) -> I-4(13/2) (Er) in Yb/Er: LiNbO3. The 1.54 mu m emission enhancement is important to telecommunication application. (C) 2012 Optical Society of America
引用
收藏
页码：4176 / 4178
页数：3
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