Mardoyan, Gurgen R., and Trevor M. Benson. “Influence of Chirped DBR Reflector on the Absorption Efficiency of Multi-Nanolayer Photovoltaic Structures: Wavelength-Scale Analysis by the Method of Single Expression”. Journal of Telecommunications and Information Technology 69, no. 3 (September 30, 2017): 99–106. Accessed September 10, 2026. https://jtit.pl/jtit/article/view/680.