Explore a 44-minute lecture on "Observation of Quantum Interference in Doppler-free Two-photon Spectroscopy" presented by Sourav Dutta at the International Centre for Theoretical Sciences. Delve into advanced concepts of precision measurements and quantum metrology as part of a comprehensive program organized by leading experts in the field. Gain insights into the theory of precision measurements, estimation, classical and quantum metrology, and atomic & optical physics techniques. Learn about cutting-edge applications in quantum sensing and measurement using atoms, ions, molecules, photons, and NV-centers. Discover how quantum resources like entanglement, superposition, and coherence are pushing the boundaries of measurement precision beyond classical limits. Understand the importance of these advancements in the context of emerging quantum technologies and their potential impact on various fields of science and technology.