H. Lotfi, L. Li, L. Lei, H. Ye, SM S. Rassel, Y. Jiang, R. Q. Yang, J. Klem, T. D. Mishima, M. B. Santos, M. B. Johnson, and J. A. Gupta, “Recent developments in interband cascade infrared photodetectors”, Infrared Technology and Applications XLII at SPIE Defense + Commercial Sensing, Baltimore, MD, April 18-21, 2016 (in Proc. SPIE. 9819, 98190Q).