7 March 2014 Power scaling through narrowband ASE seeding in pulsed MOPA fiber systems
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Abstract
We propose the use of a narrowband amplified spontaneous emission (ASE) fiber source as seeder in a pulsed master oscillator power amplifier (MOPA) configuration for power and energy pulse extraction scaling. The narrowband ASE master oscillator is compared with the standard configuration using a Fabry-Perot laser diode. We show the performance limitations imposed by the use of the Fabry-Perot lasers, caused by the backward high peak power pulses triggered due to stimulated Brillouin scattering (SBS). Free SBS operation is shown when using the narrowband ASE seeder in the same system, allowing for significant increase on the extractable power and energy.
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M. Melo, M. Melo, J. M. Sousa, J. M. Sousa, } "Power scaling through narrowband ASE seeding in pulsed MOPA fiber systems", Proc. SPIE 8961, Fiber Lasers XI: Technology, Systems, and Applications, 89612L (7 March 2014); doi: 10.1117/12.2040347; https://doi.org/10.1117/12.2040347
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