Pulse shape distortion in a 2-stage all-fiber Er-doped amplifier

M. Michalska; M. Mamajek

doi:10.1117/12.2030371

25 July 2013 Pulse shape distortion in a 2-stage all-fiber Er-doped amplifier

M. Michalska, M. Mamajek

Author Affiliations +

Proceedings Volume 8902, Electron Technology Conference 2013; 89021B (2013) https://doi.org/10.1117/12.2030371
Event: Electron Technology Conference 2013, 2013, Ryn, Poland

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.

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M. Michalska and M. Mamajek "Pulse shape distortion in a 2-stage all-fiber Er-doped amplifier", Proc. SPIE 8902, Electron Technology Conference 2013, 89021B (25 July 2013); https://doi.org/10.1117/12.2030371

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