Abebe, T., Ch. Gashu, and E. Mosisa. “Generation of Bright and Entangled Light from a Nondegenerate Three-Level Laser With Parametric Amplifier and Coupled to Thermal Reservoir”. Ukrainian Journal of Physics 66, no. 3 (April 7, 2021): 185. Accessed November 24, 2024. https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019643.