“Advancements in Nonlinear Optical Materials: Paving the Way for Future Photonic Devices”. Poornaprajna International Journal of Basic & Applied Sciences (PIJBAS) 1, no. 1 (July 17, 2024): 1–58. Accessed July 13, 2026. https://www.poornaprajnapublication.com/index.php/pijbs/article/view/69.