Pecharapa, W., and J. Nukeaw. “Observation of Stark Shift of ErP/InP Single Quantum Well by Erbium Delta-Doping on InP”. CURRENT APPLIED SCIENCE AND TECHNOLOGY 1, no. 1 (March 30, 2018): 138–141. accessed August 27, 2026. https://li01.tci-thaijo.org/index.php/cast/article/view/153173.