Optoelectronic component having - an optical waveguide which is integrated in a plane of the component and which is able to guide optical radiation in the plane of the component, and - a coupling element which is connected to the waveguide and which is able to couple optical radiation which is guided in the waveguide and which is fed from said waveguide into the coupling element, out of the plane, along a main coupling path, and/or is able to couple optical radiation which is fed at an angle into the plane of the waveguide, into the waveguide and thus into the plane of the component, along the main coupling path, - wherein the coupling efficiency of the coupling element with respect to the main coupling path is less than one, and in the case of irradiation of optical radiation, the coupling element emits an optical radiation loss along an auxiliary coupling path which is proportional or at least approximately proportional to the radiation transmitted along the main coupling path, and - wherein the optoelectronic component has a detector which is connected to the coupling element and which completely or at least partially detects the optical radiation loss and generates a detector signal, wherein - in addition to the aforementioned waveguide, hereinafter referred to as the first waveguide, the optoelectronic component has a second waveguide which is arranged with its longitudinal axis at an angle to the plane within which the integrated optical waveguide is integrated and is able to guide radiation, and - the coupling element is connected to the first and second waveguides (10, 50) and is able to couple the optical radiation which is guided in the first waveguide and which is fed into the coupling element in the direction out of the plane and into the second waveguide, along the main coupling path, and/or is able to couple optical radiation which is guided in the second waveguide and which is fed from it into the coupling element, into the first waveguide and thus into the plane of the component, along the main coupling path, - the integrated optical waveguide and the coupling element integrated in a semiconductor chip of the component, and - the optoelectronic component has a control unit which is connected to the detector and which, based on the detector signal, influences at least one operating variable of the optoelectronic component, specifically the temperature of the semiconductor chip of the optoelectronic component, by means of a heating element. - an optical waveguide which is integrated in a plane of the component and which is able to guide optical radiation in the plane of the component, and - a coupling element which is connected to the waveguide and which is able to couple optical radiation which is guided in the waveguide and which is fed from said waveguide into the coupling element, out of the plane, along a main coupling path, and/or is able to couple optical radiation which is fed at an angle into the plane of the waveguide, into the waveguide and thus into the plane of the component, along the main coupling path, - wherein the coupling efficiency of the coupling element with respect to the main coupling path is less than one, and in the case of irradiation of optical radiation, the coupling element emits an optical radiation loss along an auxiliary coupling path which is proportional or at least approximately proportional to the radiation transmitted along the main coupling path, and - wherein the optoelectronic component has a detector which is connected to the coupling element and which completely or at least partially detects the optical radiation loss and generates a detector signal, wherein - in addition to the aforementioned waveguide, hereinafter referred to as the first waveguide, the optoelectronic component has a second waveguide which is arranged with its longitudinal axis at an angle to the plane within which the integrated optical waveguide is integrated and is able to guide radiation, and - the coupling element is connected to the first and second waveguides (10, 50) and is able to couple the optical radiation which is guided in the first waveguide and which is fed into the coupling element in the direction out of the plane and into the second waveguide, along the main coupling path, and/or is able to couple optical radiation which is guided in the second waveguide and which is fed from it into the coupling element, into the first waveguide and thus into the plane of the component, along the main coupling path, - the integrated optical waveguide and the coupling element integrated in a semiconductor chip of the component, and - the optoelectronic component has a control unit which is connected to the detector and which, based on the detector signal, influences at least one operating variable of the optoelectronic component, specifically the temperature of the semiconductor chip of the optoelectronic component, by means of a heating element.