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

被引：6

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

页码：28850 / 28858

页数：9

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