Title :
Tandem-pumped ytterbium-doped aluminosilicate fiber amplifier with low quantum defect
Author :
Yao, Tianfu ; Ji, Junhua ; Sahu, Jayanta K. ; Webb, Andrew S. ; Nilsson, Johan
Author_Institution :
Optoelectron. Res. Centre, Univ. of Southampton, Southampton, UK
Abstract :
We show theoretically that a quantum-defect below 1% is possible in tandem-pumped Yb-doped aluminosilicate fibers operating off the gain peak. Experimentally, we reach a quantum defect of 2% and a slope efficiency of 90% or more.
Keywords :
aluminosilicate glasses; laser beams; optical fibre amplifiers; optical fibre theory; optical glass; optical pumping; ytterbium; Al2O3-SiO2:Yb; quantum defect; slope efficiency; tandem-pumped ytterbium-doped aluminosilicate fiber amplifier; Absorption; Fiber lasers; Gain; Laser excitation; Optical fiber amplifiers; Optical fiber communication;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
