Tarjanyi, Norbert, and Daniel Kacik. “Lithium Niobate-Based Integrated Photonics Utilizing Photorefractive Effect”. Communications - Scientific letters of the University of Zilina 19, no. 3 (September 30, 2017): 77-82. Accessed April 6, 2026. http://journals.uniza.sk/index.php/communications/article/view/238.