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Regensburg 2016 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 58: Transport: Poster Session

TT 58.16: Poster

Mittwoch, 9. März 2016, 15:00–18:30, Poster D

Quantum Fabry-Perot Interferometer with 3d-transmons — •Maximilian Zanner1, Lukas Grünhaupt1, Moritz Kappeler1, Alexey Ustinov1,2, and Martin Weides1,31Physikalisches Institut, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany — 2National University of Science and Technology MISIS, Moscow 119049, Russia — 3Material Science, Johannes Gutenberg University Mainz, 55128 Mainz, Germany

Quantum information processing requires the ability to communicate between different parts within a specific architecture of quantum elements. In order to control the information flux the photons require a propagation channel and non-linear elements. Based on an experiment suggested by Fratini et al. [1] we are trying to build a system of two transmon qubits capacitatively coupled to a rectangular waveguide acting as a Quantum Fabry-Perot Interferometer in the single photon microwave regime. A numerical analysis shows that very unique rectification properties arise caused by the coupling between the two transmon qubits with the waveguide and each other. With the right positioning and detuning of the quantum mirrors it is possible to reach rectification factors of R > 0.92. That indicates non-reciprocal effects that were not covered in previous experiments.
F. Fratini et al., PRL 113, 243601 (2014)

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