Explore high-dimensional quantum communication using structured light in this advanced lecture by Antonio Zelaquett from UFF-Niteroi, Brazil. Delve into the intricate world of quantum information processing as Zelaquett presents the second class in a series on this cutting-edge topic. Learn about the principles and applications of structured light in quantum systems, and how it can be leveraged to enhance communication protocols. Gain insights into the latest research and developments in this field, including potential advancements in quantum cryptography and information transfer. This 79-minute talk is part of a broader program on quantum science and is suitable for graduate students, researchers, and professionals interested in quantum optics and communication technologies.