Title :
Giant optical gain in rare-earth-ion-doped thin films and waveguides
Author :
Geskus, D. ; Aravazhi, S. ; García-Blanco, S.M. ; Pollnau, M.
Author_Institution :
Integrated Opt. Microsyst. Group, Univ. of Twente, Enschede, Netherlands
fDate :
Aug. 28 2011-Sept. 1 2011
Abstract :
In a rare-earth-ion-doped double tungstate channel waveguide amplifier, we demonstrate an ultra-high modal gain of 950 dB/cm, two order of magnitude higher than in other rare-earth-ion-doped materials and comparable to modal gain in semiconductors.
Keywords :
amplifiers; gadolinium compounds; laser beams; lutetium compounds; potassium compounds; solid lasers; thin film devices; waveguide lasers; ytterbium compounds; KGd0.447Lu0.078Yb0.475(WO4)2; giant optical gain; rare-earth-ion-doped double tungstate channel waveguide amplifier; rare-earth-ion-doped thin films; ultrahigh modal gain; Gain; Materials; Optical fiber amplifiers; Semiconductor optical amplifiers; Waveguide lasers;
Conference_Titel :
Quantum Electronics Conference & Lasers and Electro-Optics (CLEO/IQEC/PACIFIC RIM), 2011
Conference_Location :
Sydney, NSW
Print_ISBN :
978-1-4577-1939-4
DOI :
10.1109/IQEC-CLEO.2011.6193661
