1. Mahendra Kumar Das and Rajesh Kumar Lal “Modeling of Quantum Well Infrared Photo Detector for Long Wavelength Infrared Detection” IETE Journal of Research, SCI and Scopus, ISSN: 0377-2063, 2017.
2. Mahendra Das, B. Gupt and R. K. Lal, “Proposed generalized numerical model for energy sub-band calculation of quantum well photo detectors (QWIPs),” in Proc. Photonics-2010, Guwahati, 2010, pp. 12–15.
3. T. K. Parashar, Mahendar Das, R. K. Lal, “Modeling of a Infrared Photo-Detector for Carbon mono-oxide(CO) Monitoring “, Proc. National Seminar on Devices, Circuit and Communication(NASDAC2-08) held at BIT, MESRA, Ranchi, during November 6-7, 2008, abstract published in Souvenir Session III- Device, Circuit and Design, pp.19, 2008.