Analyzing the gain and noise characteristics of the Bi/Er co-doped fiber amplifier

被引：1

作者：

Wang, Lihong ^{[1
]}

Ning, Tigang ^{[1
]}

Pei, Li ^{[1
]}

Zheng, Jingjing ^{[1
]}

Wang, Dingchen ^{[1
]}

Xu, Wenxuan ^{[1
]}

Hou, Wenqiang ^{[1
]}

Li, Jing ^{[1
]}

Wang, Jianshuai ^{[1
]}

机构：

[1] Beijing Jiaotong Univ, Inst Lightwave Technol, Key Lab All Opt Network & Adv Telecommun Network E, Beijing 100044, Peoples R China

来源：

INFRARED PHYSICS & TECHNOLOGY | 2024年 / 140卷

关键词：

Bi/Er co-doped fiber; Broadband gain spectra; Numerical model; Fiber amplifier; INFRARED LUMINESCENCE; OPTICAL-FIBERS; BISMUTH; AMPLIFICATION; TRANSMISSION; GLASSES; FIGURE;

D O I：

10.1016/j.infrared.2024.105388

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In this paper, we present the energy levels, hopping configurations, and numerical models of the Bi/Er co-doped fiber amplifier. Numerical simulations are utilized to solve the rate and power transfer equations of the model. The gain and noise characteristics of the Bi/Er co-doped fiber amplifier are comprehensively compared and analyzed. The results show that providing lower signal power and sufficiently high pump power is beneficial to improving the gain of the Bi/Er co-doped fiber amplifier, and the gain is independent of the pump direction in this case. The forward pump design has the lowest noise figure, followed by the bidirectional and the backward. Gain spectra in the range of 1360 nm to 1560 nm are predicted. In addition, we have verified the feasibility of the numerical simulation model by comparing it with the experimental data. This analysis provides specific references and guidance for the design and optimization of the Bi/Er co-doped fiber amplifier.

引用

页数：10

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