Fluorescence enhancement in broadband Cr-doped fibers fabricated by drawing tower
Author(s) -
Yi-Chung Huang,
Chun-Nien Liu,
Yen-Sheng Lin,
Jau-Sheng Wang,
Wei-Lun Wang,
Fang-Yen Lo,
Ta-Lung Chou,
ShengLung Huang,
Wood-Hi Cheng
Publication year - 2013
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.21.004790
Subject(s) - materials science , broadband , optics , fluorescence , doping , optoelectronics , optical amplifier , laser , physics
The fluorescence enhancement in broadband Cr-doped fibers (CDFs) fabricated by a drawing tower with a redrawn powder-in-tube preform is proposed and demonstrated. The CDFs after heat treatment exhibited Cr⁴⁺ emission enhancement with spectral density of 200 pW/nm, verified by the formation of α-Mg₂SiO₄ nanocrystalline structures in the core of CDFs. The high fluorescence achievement in the CDFs is essential to develop a broadband CDF amplifier for next-generation optical communication systems.
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