Barrier Structure for Ga-Free Type-II Superlattice Midwave Infrared Photodetector Topics: Photodetectors, Sensors, Displays and Imaging; Photonic and Optoelectronic Materials and Devices In Proceedings of the 11th International Conference on Photonics, Optics and Laser Technology PHOTOPTICS - Volume 1, 21-27, 2023 , Lisbon, Portugal