Berlin 2018 – wissenschaftliches Programm
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TT: Fachverband Tiefe Temperaturen
TT 99: Poster Session: Transport
TT 99.23: Poster
Donnerstag, 15. März 2018, 15:00–19:00, Poster B
Hybrid quantum circuits made of superconducting resonators and ferromagnetic magnons — •Tomislav Piskor1, Marco Pfirrmann1, Andre Schneider1, Igor Golovchanskiy2,3, and Martin Weides1,4 — 1Physikalisches Institut, Karlsruhe Institute of Technology, Karlsruhe, Germany — 2Moscow Institute of Physics and Technology, State University, 9 Institutskiy per., Dolgoprudny, Moscow Region, 141700, Russia — 3National University of Science and Technology MISIS, 4 Leninsky prosp., Moscow, 119049, Russia — 4Physikalisches Institut, Johannes Gutenberg University Mainz, Mainz, Germany
The field of Quantum Magnonics has evolved rapidly in the past few years. For example, for the growing field of quantum information, processing the coupling between natural spins and superconducting circuits is very promising for future implementations.
The aim of this work is to investigate the interaction between microwave photons in the GHz regime and magnetic spins. The coupling between superconducting resonators and ferromagnetic magnons will be investigated in order to study the hybrid system. Beside the Kittel mode showing the largest coupling strength, it is possible to observe weaker couplings, generated by magnetostatic spin waves. For periodic resonator structures, which is also the quantization condition, the spins can build up to propagating or standing spin waves. The coupling between the two systems is achieved by placing the ferromagnetic sample on top of the superconducting resonator structure.