Explore the fascinating world of quantum technologies in this comprehensive lecture by Prof. Arindam Ghosh from the Indian Institute of Science, Bengaluru. Delve into the fundamental principles of quantum physics that underpin emerging quantum technologies, including quantum computing, secure quantum internet, and ultra-sensitive sensors. Gain insights into how these advancements are being implemented in real devices and their potential to revolutionize daily life. Learn about the speaker's expertise in two-dimensional electron systems, light-matter interactions, and atomically thin materials. Discover topics such as Schrödinger's equation, quantum measurement, topology, Josephson junctions, quantum supremacy, quantum sensing, and the future of quantum infrastructure. Understand the technological demands driving the development of single-photon sources and new quantum materials, including semiconductors.