Abstract
A comprehensive model is presented of erbium-doped integrated optical waveguide amplifiers that include high concentration dissipative ion-ion interactions. Calculations based on actual waveguide parameters closely reproduce measured gains for different pump powers and different erbium concentrations up to 60*10/sup 24/m/sup -3/. The quenching concentration for erbium-doped phosphate glass is found to be 20-30*10/sup 24/m/sup -3/.
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