Editorial: Special Issue on Nonlinear Optical Physics of 2D Materials.

This document is an editorial from the Journal of Nonlinear Optical Physics & Materials, discussing a special issue on the nonlinear optical physics of 2D materials. It highlights the importance of nonlinear phenomena in photonic technologies and focuses on the role of 2D materials in enhancing these processes. The editorial provides an overview of the topics covered in the special issue, including absorption and photoluminescence spectra, saturable absorption, two-photon absorption, and exciton absorption in 2D materials. It concludes by emphasizing the potential applications of this knowledge in the development of photonic technologies. Additionally, there is a list of references for further research on the properties and applications of 2D materials in nonlinear optics. [Extracted from the article]