1.5 /spl mu/m Zn/sub 2/Si/sub 0.5/Ge/sub 0.5/O/sub 4/:Er electroluminescent waveguide amplifiers

In this paper, we report on Er-doped ZSG waveguide amplifiers and electroluminescent devices (ELDs). A 3.5 /spl mu/m wide ZSG:Er optical amplifier with a core thickness of 1.1 /spl mu/m and a length of 4.7 cm was fabricated. The refractive index variation with wavelength was obtained using a variable wavelength spectroscopic ellipsometer with a 0.27 /spl mu/m ZSG:Er sample. The results indicate that electroluminescent optical amplifiers in ZSG:Er films are possible.