Quantum technologies
Prerequisites
Students are expected to have basic knwledge of the structure of matter and condensed matter physics as aquired in undergraduate courses, The present course if recommended for PhD students.
Programme
Cold-atom-based QTs
Quantum technologies with laser-cooled atoms: an introduction to the physical platform, experimental tools and methods.
Cold atoms for sensing and metrology: atomic clocks and atom interferometers.
Cold atoms for quantum simulation: engineering quantum models and synthetic materials with atoms and light. Cold atoms for quantum computing.
Semiconductor-based QTs
Heterostructures (HSs): electronic states, carrier statistics, quantum transport and optical properties of superlattices, quantum wells and wires. Nanofabrication, quantum devices. 2D electron gas in HSs and 2D materials. Integer and fractional quantum Hall effects. Many body effects, charging energy, Coulomb and Pauli blockade in single and coupled quantum dots. Single-photon sources and detectors: quantum cryptography.
Semiconductor and hybrid semiconductor/superconductor qubits (Hall systems, single-vacancies, gatemons). Nanofabrication techniques. Single-spin systems in diamond.
Superconductor-based QTs
Introduction to Josephson effect and superconducting circuits. Basic architectures of superconductor qubits: phase, charge and flux qubit. Coupling superconducting qubits in functional QT systems.
Thermal transport in superconducting nanostructures, thermometry and cooling techniques. Phase-dependent effects. Quantum sensing with superconducting circuits.
Educational aims
Students will be introduction to the main architectures of interest for quantum science and technology based on cold atoms, semiconductors and superconductors together with the necessary nanofabrication technoques. The course will present some of the current research activities in the field of quantum science and technology.