Quantum and Classical Optics, Novel Materials for Optoelectronics and Photonics Devices, Optoelectronics and Photonics Technology, Optoelectronics and Photonics Device Physics and Modelling, Interactions in Quantum Materials, Light Sources: Lasers, LD, LED, Quantum Source for Optical Quantum Computing, Communication Sources, Photodetectors, Photodiodes, SPADs, APDs, Optical Devices, Sensors, Solar Cells and Photovoltaics, Fiber Optics, Biophotonics: Biosensors, Microfluidic Devices, Lab-on-a-Chip for Point-of-Care Diagnostic Devices – LoC for POCT, Bio-sensing, Imaging of Tissues and Cells, Optical Clocks, Nanophotonics, Color and Polarization in Nanostructures, Photonics Imaging and Holography, Microscopy and Spectroscopy, Optical Communication Networks, Optical Fiber Sensing andTechnology, Optical Technology in Maritime Industry and in Intelligent Transportation Systems, Quantum Photonics, Quantum Networking, Quantum Communication, Quantum Memories, and Quantum Computing, Integrated Photonics