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Proceedings Paper

Kilowatt-power Er3+ doped cladding fiber amplifier
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Paper Abstract

A novel theoretical scheme for high-power Er3+ doped fiber amplifier assisted with a long period grating (LPG) is presented. This device consists of an Er3+ doped cladding pumped with a high power laser at a wavelength 1480 nm and un-doped core. The LPG imprinted into the fiber core at the beginning of the Er3+ doped region transfers a weak signal entering the amplifier in the core-mode of a single mode fiber into a cladding mode, dramatically increasing the effective mode-area of the signal and the threshold powers for unwanted nonlinear effects such as stimulated Raman and Brillouin scattering. The output fiber with the large core provides a high quality output beam.

Paper Details

Date Published: 12 August 2008
PDF: 6 pages
Proc. SPIE 7099, Photonics North 2008, 70990Y (12 August 2008); doi: 10.1117/12.807127
Show Author Affiliations
Galina Nemova, École Polytechnique de Montréal (Canada)
Raman Kashyap, École Polytechnique de Montréal (Canada)

Published in SPIE Proceedings Vol. 7099:
Photonics North 2008

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