R. T. Hinkey, H. Lotfi, L. Li, H. Ye, L. Lei, R. Q. Yang, J. C. Keay, T. D. Mishima, M. B. Johnson, and M. B. Santos, “Interband cascade infrared photodetectors with InAs/GaSb superlattice absorbers”, Paper 8868-3 at Infrared Sensors, Devices, and Applications III, SPIE Optics + Photonics 2013, San Diego, CA, 25 – 29 August 2013 (in Proc. SPIE 8868, paper 886805).