From the Contents: Part I Introduction- A Path to an Ideal Photonic Detector -- Infrared Detector Performance and Main Figures of Merit -- Classification of IR Detectors -- Part II Photon Management -- Nonimaging and Imaging Optical Concentrators -- Refractive Concentrators -- Part III Charge Carrier Management (Thermal Noise Engineering) -- Nonequilibrium Suppression of Auger Generation-Recombination -- Limits of Nonequilibrium Detector Operation.