Influence of the monovalent bismuth on optical properties in Bi-doped silica optical fiber

被引：1

作者：

Han, Lihong ^{[1
,2
]}

Qin, Guoying ^{[1
]}

Wang, Fugang ^{[1
]}

Jia, Baonan ^{[1
,2
,3
]}

Xu, Dong ^{[1
]}

Guan, Xiaoning ^{[1
,4
]}

Lu, Pengfei ^{[1
,2
]}

机构：

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

[2] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing 100876, Peoples R China

[3] Beijing Univ Posts & Telecommun, Beijing Key Lab Space Ground Interconnect & Conver, Beijing 100876, Peoples R China

[4] Beijing Univ Posts & Telecommun, Sch Informat & Commun Engn, Beijing 100876, Peoples R China

来源：

OPTICAL MATERIALS | 2022年 / 131卷

关键词：

Monovalent bismuth; Absorption spectra; Near -IR luminescence; BROAD-BAND EMISSION; NEAR-IR LUMINESCENCE; INFRARED LUMINESCENCE; ENERGY-TRANSFER; RING STRUCTURES; GLASSES; PHOTOLUMINESCENCE; AMPLIFICATION; TRANSMISSION; POTENTIALS;

D O I：

10.1016/j.optmat.2022.112720

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Monovalent bismuth-related centers are studied by using first-principle methods in Bi-doped silica optical fiber. On the basis of 6-membered ring (6MR) model, the nBi-doped 6MR models are constructed for studying geo-metric and optical properties. With the quantity of monovalent bismuths increasing from one to three in 6MR model, the optical absorption intensity showed a trend of first increase and then decrease. The transition energy levels of monovalent bismuth-related model are studied with the time-dependent density functional theory (TDDFT). Our results showed that the( 3)P(1) -> P-3(0) transition of Bi (+) ion gives rise to near-infrared (NIR) luminescence around 1270 nm.

引用

页数：6

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