An optoelectronic device including an active area capable of supplying an electromagnetic radiation and sandwiched between first and second semiconductor layers, the first semiconductor layer delimiting a surface and including a first portion in contact with the active area and delimiting a first part of the surface and extending in a second portion delimiting a second part of the surface, the second portion forming a single-mode waveguide, the optoelectronic device including an opaque portion reflective for the electromagnetic radiation covering the first part and including a diffraction grating on the second part capable of extracting the electromagnetic radiation from the second portion.