A semiconductor optical device includes a GaAs substrate, a light-emitting/light-receiving layer including a GaN-based compound semiconductor, and a ZnO film formed between the GaAs substrate and the light-emitting/light receiving layer....http://www.google.fr/patents/US6355945?utm_source=gb-gplus-shareBrevet US6355945 - Semiconductor optical device and optoelectronic integrated circuit device including a ZnO buffer layer
Semiconductor optical device and optoelectronic integrated circuit device ...
