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Linearly polarized all-fiber laser using a short section of highly polarizing microstructured fiber

✍ Scribed by M. Delgado-Pinar; A. Díez; J.L. Cruz; M.V. Andrés

Publisher: John Wiley and Sons
Year: 2008
Tongue: English
Weight: 95 KB
Volume: 5
Category: Article
ISSN: 1612-2011
DOI: 10.1002/lapl.200710100

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✦ Synopsis

A linearly polarized all-fiber erbium laser is presented in this work. The polarization selective element consists on a piece of a single-mode, polarizing microstructured fiber, which is placed within the laser cavity. The microstructured fiber shows a regular lattice of air-holes, in which four holes next to the core were enlarged. This fiber shows a polarization dependent loss of 16 dB/m around 1550 nm. The laser cavity presents different losses for each polarization and, as a consequence, a highly polarized emission is obtained. The polarization ratio of the emitted power was in excess of 20 dB.

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