Broadband 1.5-2.1 μm emission in gallo-germanate dual-core optical fiber co-doped with Er3+and Yb3+/Tm3+/Ho3+

被引：8
作者：
Markiewicz, Jakub [1 ]
Kochanowicz, Marcin [1 ]
Ragin, Tomasz [1 ]
Sadowska, Karolina [1 ]
Zmojda, Jacek [1 ]
Miluski, Piotr [1 ]
Dorosz, Jan [1 ]
Kuwik, Marta [2 ]
Pisarski, Wojciech a. [2 ]
Pisarska, Joanna [2 ]
Lesniak, Magdalena [3 ]
Dorosz, Dominik [3 ]
机构：
[1] Bialystok Tech Univ, Wiejska St 45 D, PL-15341 Bialystok, Poland
[2] Univ Silesia, Szkolna 9, PL-40007 Katowice, Poland
[3] AGH Univ Sci & Technol, 30 Mickiewicza Av, PL-30059 Krakow, Poland
来源：
OPTICS EXPRESS | 2023年 / 31卷 / 18期
关键词：
ENERGY-TRANSFER; GLASS; LASER; LUMINESCENCE;
D O I：
10.1364/OE.496574
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The near-infrared emission in fabricated low-phonon energy, gallo-germanate glass, and double-core optical fiber has been investigated. Broadband amplified spontaneous emission (ASE) was obtained in optical fiber with cores doped with: 1st -0.2Er2O3 and 2nd -0.5Yb2O3/0.4Tm2O3/0.05Ho2O3 as a result of the superposition of emission bands from both cores corresponding to the Er3+:4I13/2 -> 4I15/2 (1st core) and Tm3+:3F4 -> 3H6/Ho3+:5I7 -> 5I8 (2nd core) transitions. The effect of fiber length and pump wavelength on the near-infrared amplified spontaneous emission (ASE) properties has been analyzed for 1 m and 5 m optical fiber. The widest emission bandwidth (355 nm -3 dB level) was obtained for a 5 m length optical fiber pumped by a 940 nm laser.
引用
收藏
页码：28850 / 28858
页数：9
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