Title :
Resonantly pumped amplification in a thulium-doped photonic crystal fiber
Author :
Alex Sincore;Lawrence Shah;Mateusz Wysmolek;Robert Ryan;Ali Abdulfattah;Martin Richardson
Author_Institution :
Townes Laser Institute, The College of Optics and Photonics, University of Central Florida, 4304 Scorpius Street, Orlando FL 32826
Abstract :
Efficiencies <;50% are typical in large mode area, thulium-doped photonic crystal fibers when pumped at 790nm. These large thermal loads limit power scaling. In this work, we investigate resonant pumping and demonstrate slope efficiencies >64%.
Keywords :
"Optical fiber amplifiers","Optical fiber polarization","Optimized production technology","Laser excitation","Photonic crystal fibers","Couplings","Band-pass filters"
Conference_Titel :
Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2015 11th Conference on
DOI :
10.1109/CLEOPR.2015.7376374