Optoelectronic device comprising an optoelectronic component, a waveguide having an optical waveguide section and an electrical conductor section, the optical waveguide section being transparent for radiation of a given wavelength or a given wavelength range and configured to guide the radiation along the longitudinal axis of the waveguide, wherein the optical waveguide section is optically butt-coupled to an optical surface section of the optoelectronic component, wherein the electrical conductor section is mechanically butt-coupled to a first electrical contact of the optoelectronic component, wherein the optical surface section and the first electrical contact are located on the same side of the optoelectronic component, and wherein a second electrical contact of the optoelectronic component, is located on the opposite side of the optoelectronic component, characterized in that - the optoelectronic device comprises a tubular housing having a first end and a second end, the first and second ends being opposite to each other, wherein the optoelectronic component is located inside the tubular housing, - the optoelectronic device comprises an inner conductor which is connected to the second electrical contact of the optoelectronic component and located between the second electrical contact of the optoelectronic component and the second end of the tubular housing, - the inner conductor and the tubular housing form an electrical coaxial transmission line between the second electrical contact of the optoelectronic component and the second end of the tubular housing and - cap aligns the waveguide relative to the tubular housing and electrically connects the tubular housing with the electrical conductor section of the waveguide. an optoelectronic component, a waveguide having an optical waveguide section and an electrical conductor section, the optical waveguide section being transparent for radiation of a given wavelength or a given wavelength range and configured to guide the radiation along the longitudinal axis of the waveguide, wherein the optical waveguide section is optically butt-coupled to an optical surface section of the optoelectronic component, wherein the electrical conductor section is mechanically butt-coupled to a first electrical contact of the optoelectronic component, wherein the optical surface section and the first electrical contact are located on the same side of the optoelectronic component, and wherein a second electrical contact of the optoelectronic component, is located on the opposite side of the optoelectronic component, characterized in that - the optoelectronic device comprises a tubular housing having a first end and a second end, the first and second ends being opposite to each other, wherein the optoelectronic component is located inside the tubular housing, - the optoelectronic device comprises an inner conductor which is connected to the second electrical contact of the optoelectronic component and located between the second electrical contact of the optoelectronic component and the second end of the tubular housing, - the inner conductor and the tubular housing form an electrical coaxial transmission line between the second electrical contact of the optoelectronic component and the second end of the tubular housing and - cap aligns the waveguide relative to the tubular housing and electrically connects the tubular housing with the electrical conductor section of the waveguide. - the optoelectronic device comprises a tubular housing having a first end and a second end, the first and second ends being opposite to each other, wherein the optoelectronic component is located inside the tubular housing, - the optoelectronic device comprises an inner conductor which is connected to the second electrical contact of the optoelectronic component and located between the second electrical contact of the optoelectronic component and the second end of the tubular housing, - the inner conductor and the tubular housing form an electrical coaxial transmission line between the second electrical contact of the optoelectronic component and the second end of the tubular housing and - cap aligns the waveguide relative to the tubular housing and electrically connects the tubular housing with the electrical conductor section of the waveguide.