6th International Conference on Optics, Photonics and Lasers (OPAL’ 2023) will coveri a broad range of topics in optics, photonics and lasers, and provide an excellent opportunity to exchange ideas and present latest advancements in these areas. OPAL 2023 will include two special sessions: “Quantum Optics and Quantum Information” and “Semiconductor Quantum Confined Nanostructure Based Materials and Devices”.