Dresden 2017 – scientific programme
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TT: Fachverband Tiefe Temperaturen
TT 38: Transport: Quantum Coherence and Quantum Information Systems - Experiment (jointly with MA, HL)
TT 38.4: Talk
Wednesday, March 22, 2017, 10:15–10:30, HSZ 03
Chains of nonlinear and tunable superconducting resonators — •M. Fischer1,2,3, P. Eder1,2,3, J. Goetz1,2, S. Pogorzalek1,2, E. Xie1,2,3, K. Fedorov1,2, F. Deppe1,2,3, A. Marx1, and R. 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 the theoretical analysis and experimental study of a quantum simulation system of the Bose-Hubbard Hamiltonian in the driven dissipative regime in the realm of circuit QED. The system consists of series-connected, capacitively coupled superconducting resonators which are both nonlinear and tunable. The nonlinearity is achieved by galvanically coupled SQUIDs. They are placed in the current anti-node of each resonator and can be tuned by external coils and on-chip antennas.
The authors acknowledge support from DFG through FE 1564/1-1, the doctorate program ExQM of the Elite Network of Bavaria and the IMPRS ‘Quantum Science and Technology’.