This ICNF 2013 paper by Handel and Truong presents quantum 1/f noise theory and experiment in Quantum Well Infrared Photodetectors (QWIPs). The research provides comprehensive comparison between theoretical quantum noise predictions and experimental measurements in intersubband photodetectors, validating quantum 1/f noise models and demonstrating how device parameters including quantum well width, barrier height, and doping concentration affect noise characteristics and detection sensitivity in QWIP focal plane arrays for thermal imaging.