System for a vehicle, the system comprising: - a device for providing an artificial neural network, having: - at least one optical neuron component for providing a neuron of the network, wherein the neuron component has a microresonator for outputting an output signal of the neuron component in a non-linear dependence on an input signal of the neuron component, - at least one vehicle component, wherein the device has an electronic and/or electro-optical interface arrangement for: - receiving electrical input information from the vehicle component, - providing the optical input signal of the neuron component for the neural network based on the received input information, - providing electrical output information for the vehicle component based on the optical output signal of the neuron component, wherein the at least one vehicle component has a detection device to generate the input information in the form of image information, and wherein the at least one vehicle component has a driver assistance system for providing an automatic driving function in order to evaluate the output information by the driver assistance system, and to use the output information as a classification of an environment of the vehicle, wherein the neuron component has at least or exactly one further microresonator, wherein the microresonators are arranged adjacent to one another, wherein a distance between the microresonators and/or a diameter of the microresonators defines the weight. - a device for providing an artificial neural network, having: - at least one optical neuron component for providing a neuron of the network, wherein the neuron component has a microresonator for outputting an output signal of the neuron component in a non-linear dependence on an input signal of the neuron component, - at least one vehicle component, wherein the device has an electronic and/or electro-optical interface arrangement for: - receiving electrical input information from the vehicle component, - providing the optical input signal of the neuron component for the neural network based on the received input information, - providing electrical output information for the vehicle component based on the optical output signal of the neuron component, wherein the at least one vehicle component has a detection device to generate the input information in the form of image information, and wherein the at least one vehicle component has a driver assistance system for providing an automatic driving function in order to evaluate the output information by the driver assistance system, and to use the output information as a classification of an environment of the vehicle, wherein the neuron component has at least or exactly one further microresonator, wherein the microresonators are arranged adjacent to one another, wherein a distance between the microresonators and/or a diameter of the microresonators defines the weight. wherein the at least one vehicle component has a detection device to generate the input information in the form of image information, and wherein the at least one vehicle component has a driver assistance system for providing an automatic driving function in order to evaluate the output information by the driver assistance system, and to use the output information as a classification of an environment of the vehicle, wherein the neuron component has at least or exactly one further microresonator, wherein the microresonators are arranged adjacent to one another, wherein a distance between the microresonators and/or a diameter of the microresonators defines the weight.