Abstract
We report the realization of Er-doped silica-based waveguide amplifiers. The gain is maximized in a 19.4 cm-long waveguide at a concentration of 0.55 wt% with a pump power of 100 mW at a wavelength of 980 nm. The linear dependence of the gain on the waveguide length is observed. A net gain of 13.7 dB is achieved at a wavelength of 1.535 µm with the Er-doped planar waveguide.
© 1992 Optical Society of America
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