Abstract: Controlling activation of an autonomous navigation function of a vehicle is provided. A system can include a data processing system with one or more processors, coupled to memory. The data processing system can determine, based on data collected from a vehicle and using a machine learning model trained on historical driving data associated with a driver of the vehicle and a driver having a driver profile corresponding to the historical driving data, that a vehicle controller of the vehicle is configured to autonomously navigate the vehicle through a scenario, facilitate, based on the collected data and the trained model, display of a prompt at the vehicle to activate autonomous navigation of the vehicle for the scenario, and upon receiving an indication of activation from the driver, provide instructions to the vehicle controller to perform autonomous driving control through the scenario, thereby reducing likelihood of error and lowering insurance premiums.

Abstract: A direct absolute spectrometer includes: a first light source; a second light source; an optical combiner that produces dual light; an optical cell that receives the dual light; an electromagnetically induced transparent medium that is optically transparent to single photon light in a presence of pump light, such that output light is produced; and a filter that filters output light and provides EIT light free from, wherein electromagnetically induced transparent EIT light is a direct and absolute metric of a linewidth and a wavelength of single photon light such that the direct absolute spectrometer provides direct and absolute determination of the linewidth of the single photon light and direct and absolute determination of wavelength at a maximum of intensity of the single photon light.

Abstract: A direct absolute spectrometer includes: a first light source; a second light source; an optical combiner that produces dual light; an optical cell that receives the dual light; an electromagnetically induced transparent medium that is optically transparent to single photon light in a presence of pump light, such that output light is produced; and a filter that filters output light and provides EIT light free from, wherein electromagnetically induced transparent EIT light is a direct and absolute metric of a linewidth and a wavelength of single photon light such that the direct absolute spectrometer provides direct and absolute determination of the linewidth of the single photon light and direct and absolute determination of wavelength at a maximum of intensity of the single photon light.