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Applied Superconductivity 2: from superconducting quantum circuits to microwave quantum optics

Course 0000001704 in SS 2024

General Data

Course Type lecture
Semester Weekly Hours 2 SWS
Organisational Unit Technical Physics
Lecturers Kirill Fedorov
Rudolf Gross
Dates Wed, 14:15–15:45, WMI 143

Assignment to Modules

Further Information

Courses are together with exams the building blocks for modules. Please keep in mind that information on the contents, learning outcomes and, especially examination conditions are given on the module level only – see section "Assignment to Modules" above.

additional remarks ContentThe application of superconducting circuits for the realization of future quantum electronics has attracted strong interest, in particular regarding the implementation of quantum information processing systems. Here, we address the physics of superconducting quantum circuits and show how such circuits can be implemented based on superconducting thin films and nanostructures. We also discuss applications of superconducting quantum circuits in the study of fundamental light-matter interaction, the realization of quantum information processing systems and in quantum simulation. Finally, we consider the field of quantum communication and sensing with propagating quantum microwaves emitted from superconducting circuits. All these fields are nowadays intensively studied in the cutting edge collaborative research projects (e.g. EU Quantum Flagship, Excellence Cluster MCQST, Munich Quantum Valley, among others).Regarding the application of superconductivity in quantum electronics, the following specific topics will be addressed:- introduction to secondary quantum effects;- superconducting quantum circuits: from resonators to qubits;- circuit Quantum electrodynamics: "Quantum optics on a chip";- quantum information processing with superconducting circuits;- propagating quantum microwaves;- quantum microwave communication and cryptography;- quantum illumination and remote sensing.Learning outcomeAfter successful completion of the module the students are able to:- to describe and explain the secondary macroscopic quantum effects in Josephson junctions;- to explain the physical foundations of superconducting quantum circuits (resonators, quantum bits, circuit QED);- to list the key features of quantum information processing with superconducting circuits;- to describe the basic properties of propagating quantum microwaves;- to describe basic quantum communication and sensing protocols.
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