Thuan, P. V., Anh, T. T., Trung, L. C., Dung, N. T., Nga, L. T. Y., Khoa, D. X., Doai, L. V., Bang, N. H., & Ai, N. V. (2016). Controlling Optical Bistability in a Five-level Cascade EIT Medium. Communications in Physics, 26(1), 33. https://doi.org/10.15625/0868-3166/26/1/8213