Fluorescence enhancement in broadband Cr-doped fibers fabricated by drawing tower

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-Mg₂S...

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Bibliographic Details
Published in:Optics express 2013-02, Vol.21 (4), p.4790-4795
Main Authors: Huang, Yi-Chung, Liu, Chun-Nien, Lin, Yen-Sheng, Wang, Jau-Sheng, Wang, Wei-Lun, Lo, Fang-Yen, Chou, Ta-Lung, Huang, Sheng-Lung, Cheng, Wood-Hi
Format: Article
Language:English
Subjects:
Chromium - chemistry
Equipment Design
Equipment Failure Analysis
Fiber Optic Technology - instrumentation
Fluorescence
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Summary: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.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.21.004790