Photoluminescence studies of low-loss SiON waveguides deeply (2.8MeV)
implanted with erbium at concentrations up to 1atm.% are reported. Rap
id thermal annealing at 900 degrees C is found to repair most of the i
mplantation damage and results in a 5.3ms I-4(13/2) lifetime for 0.25a
tm.% Er concentration. Measurements in 1atm.% doped samples show signi
ficant erbium ion-ion interactions.