Abstract

A planar light waveguide–type optical amplifier was designed and fabricated. A core layer of Er–Al-codoped SiO2 glass was deposited onto a silica cladding layer by rf sputtering. In the Er-doped core layer the average Er and Al concentrations were 0.77 and 11.37 wt. %, respectively. We achieved 5 dB of gain with 20 mW of 980-nm pump power by using -20 dBm of 1546-nm input signal power.

© 2000 Optical Society of America

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