Berlin 2015 – scientific programme
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TT: Fachverband Tiefe Temperaturen
TT 16: Transport: Quantum Coherence and Quantum Information Systems – Experiments (jointly with HL, MA)
TT 16.7: Talk
Monday, March 16, 2015, 16:30–16:45, H 0110
Towards chains of tunable and nonlinear superconducting microwave resonators — •Michael Fischer1,2, Friedrich Wulschner1,2, Udo Schaumburger1,2, Max Haeberlein1,2, Manuel Schwarz1,2,3, Peter Eder1,2,3, Edwin Menzel1,2,3, Kirill Fedorov1,2, Jan Goetz1,2, Edwar Xie1,2, Ling Zhong1,2,3, Frank Deppe1,2,3, Achim Marx1, and Rudolf Gross1,2,3 — 1Walther-Meißner-Institut, Bayerische Akademie der Wissenschaften, 85748 Garching, Germany — 2Physik-Department, TU München, 85748 Garching, Germany — 3Nanosystems Initiative Munich (NIM), 80799 München, Germany
We present an experimental feasibility study of chains of tunable and nonlinear superconducting microwave resonators within the realm of circuit QED. We describe the fabrication and experimental characterization of the components required to realize nonlinear resonators with tunable anharmonicity, capacitively coupled resonator chains and on-chip parallel plate capacitors. We discuss possible error sources in the fabrication and characterization processes. Furthermore, simulations based on existing theories are performed to identify accessible parameter ranges.
This work is supported by the DFG via SFB 631 and the EU projects CCQED and PROMISCE.