[HTML][HTML] Luminescence and laser properties of RE-doped silica optical fibers: The role of composition, fabrication processing, and inter-ionic energy transfers

P Vařák, M Kamrádek, J Mrázek, O Podrazký… - Optical Materials: X, 2022 - Elsevier
Silica glass doped with rare-earth ions remains one of the most frequently used materials for
fiber lasers and amplifiers, owing to various advantages such as high thermal resistance …

High efficiency holmium-doped triple-clad fiber laser at 2120 nm

B Beaumont, P Bourdon, A Barnini… - Journal of Lightwave …, 2022 - opg.optica.org
We developed a new holmium-doped triple-clad fiber (Ho-3CF), reducing the clad diameter
to improve the overlap between pump and doped-core, and the holmium concentration to …

Heat treatment and fiber drawing effect on the luminescence properties of RE-doped optical fibers (RE= Yb, Tm, Ho)

P Vařák, I Kašík, P Peterka, J Aubrecht, J Mrázek… - Optics …, 2022 - opg.optica.org
We investigate the influence of various optical fiber fabrication processes on the
fluorescence decay of RE ions commonly used in fiber lasers and amplifiers, ie Yb^ 3+, Tm …

Holmium-doped fiber amplifier for pum** a ZnGeP2 optical parametric oscillator

LG Holmen, H Fonnum - Optics Express, 2021 - opg.optica.org
We present a holmium-doped all-fiber master oscillator power amplifier (MOPA) system
operating at 2108 nm targeting optical frequency conversion applications. The MOPA …

Theoretical analysis of ESA-enhanced 2.8 μm lasing in Er-doped ZBLAN fiber lasers

C Guo, J Lin, Z Tang, K Li, L Tu, J Wang… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
A detailed analysis of theexcited state absorption (ESA) transition 4 I 13/2→ 4 I 9/2 which
occurs in erbium (Er) doped ZBLAN fiber lasers is performed through numerical modeling. It …

Pump quantum efficiency optimization of 3.5 μm Er-doped ZBLAN fiber laser for high-power operation

L Zhang, S Fu, Q Sheng, X Luo, J Zhang, W Shi… - Frontiers of …, 2023 - Springer
Abstract 976 nm+ 1976 nm dual-wavelength pumped Er-doped ZBLAN fiber lasers are
generally accepted as the preferred solution for achieving 3.5 μm lasing. However, the 2 μm …

Realization and simulation of high-power holmium doped fiber lasers for long-range transmission

J Le Gouët, F Gustave, P Bourdon, T Robin… - Optics …, 2020 - opg.optica.org
We report on our realization of a high-power holmium doped fiber laser, together with the
validation of our numerical simulation of the laser. We first present the measurements of the …

2.1 μm, 1.52 μJ square-wave noise-like pulse from an all-fiber figure-of-9 Ho-doped oscillator and single-stage amplifier

D Zhao, B Zhang, X Zhu, S Liu, L Yang, J Hou - Optics Express, 2022 - opg.optica.org
A 2.1 μm, high energy square-wave noise-like pulse (NLP) in an all-fiber Ho-doped fiber
laser is proposed, which consists of an oscillator and a single-stage amplifier. In the figure-of …

All-polarization-maintaining mode-locked Holmium-doped fiber laser based upon nonlinear polarization evolution

L Tu, Z Tang, K Li, J Wang, H Lin, W Zhang… - Infrared Physics & …, 2024 - Elsevier
An all-polarization-maintaining, all-fiberized holmium (Ho) doped fiber laser mode-locked by
nonlinear polarization evolution (NPE) is experimentally demonstrated for the first time. The …