A ridge waveguide semiconductor laser diode is disclosed that comprises an n-type semiconductor layer, a p-type semiconductor layer having a ridge forming a waveguide and an active layer disposed between the n-type semiconductor layer and the p-type semiconductor layer. The laser diode also includes...http://www.google.es/patents/US7072374?utm_source=gb-gplus-sharePatente US7072374 - Ridge waveguide semiconductor laser diode
