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Proceedings Paper

Pulse shape distortion in a 2-stage all-fiber Er-doped amplifier
Author(s): M. Michalska; M. Mamajek
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Paper Abstract

The issue of temporal pulse distortion occurring during amplification process in a 2-stage, fiber amplifier, operating in the eye-safe spectral region, is discussed. The amplifier was built in a Master Oscillator Power Amplifier (MOPA) configuration and seeded by a distributed feedback (DFB) laser providing nanosecond pulses at a repetition rate of 20 kHz. It operated at a wavelength of 1549.13 nm and generated over 200 mW of output power with a slope efficiency of up to 28%. The comparison between the calculated and measured results on saturation-induced pulse shape deformation, for ~300-ns pulses, is presented. The analyzed pulse shapes embraced rectangle, Gaussian, triangle and "M" letter.

Paper Details

Date Published: 25 July 2013
PDF: 6 pages
Proc. SPIE 8902, Electron Technology Conference 2013, 89021B (25 July 2013); doi: 10.1117/12.2030371
Show Author Affiliations
M. Michalska, Military Univ. of Technology (Poland)
M. Mamajek, Military Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 8902:
Electron Technology Conference 2013
Pawel Szczepanski; Ryszard Kisiel; Ryszard S. Romaniuk, Editor(s)

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