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HL: Fachverband Halbleiterphysik

HL 1: Quantum Technologies (joint session HL/TT/TUT)

HL 1.2: Tutorium

Sonntag, 11. März 2018, 16:40–17:15, H 0105

Superconducting Quantum Circuits — •Rudolf Gross — Walther-Meißner-Institut, Bayerische Akademie der Wissenschaften, Garching, Germany — Physik-Department, TU-München, Garching, Germany — Nanosystems Initiative Munich, München, Germany

Superconducting quantum circuits, consisting of inductors, capacitors and Josephson junctions, can be flexibly engineered using modern thin film and micro/nano-fabrication techniques. These quantum electronic circuits behave quantum coherently with coherence times approaching the millisecond regime. They are successfully used to study fundamental quantum effects and develop components for applications in quantum technology. Examples are the tailoring of light-matter interaction, the development of sources and detectors for quantum light, or the implementation of quantum information processing, quantum metrology and quantum simulation systems. Meanwhile, several companies such as Google, IBM or Intel have started the race towards a universal quantum computer based on a superconducting hardware platform.

Superconducting quantum circuits can also be successfully coupled to nano-mechanical and magnetic systems. In the resulting hybrid quantum systems different quantum degrees of freedom can be strongly coupled, allowing for the coherent exchange of elementary excitations such as pho-tons, phonons and magnons on a single quantum level.

I will give an introduction into the field of superconducting quantum circuits and address recent advancements in the rapidly growing field of superconducting quantum technology.