Microwave photonics with superconducting quantum circuits

X Gu, AF Kockum, A Miranowicz, Y Liu, F Nori - Physics Reports, 2017 - Elsevier
In the past 20 years, impressive progress has been made both experimentally and
theoretically in superconducting quantum circuits, which provide a platform for manipulating …

Measurement of Autler-Townes and Mollow Transitions<? format?> in a Strongly Driven Superconducting Qubit

M Baur, S Filipp, R Bianchetti, JM Fink, M Göppl… - Physical review …, 2009 - APS
We present spectroscopic measurements of the Autler-Townes doublet and the sidebands of
the Mollow triplet in a driven superconducting qubit. The ground to first excited state …

Two-photon probe of the Jaynes–Cummings model and controlled symmetry breaking in circuit QED

F Deppe, M Mariantoni, EP Menzel, A Marx, S Saito… - Nature Physics, 2008 - nature.com
Superconducting qubits, behave as artificial two-level atoms and are used to investigate
fundamental quantum phenomena. In this context, the study of multiphoton excitations …

Microwave-induced cooling of a superconducting qubit

SO Valenzuela, WD Oliver, DM Berns, KK Berggren… - Science, 2006 - science.org
We demonstrated microwave-induced cooling in a superconducting flux qubit. The thermal
population in the first-excited state of the qubit is driven to a higher-excited state by way of a …

Amplitude spectroscopy of a solid-state artificial atom

DM Berns, MS Rudner, SO Valenzuela, KK Berggren… - Nature, 2008 - nature.com
The energy-level structure of a quantum system, which has a fundamental role in its
behaviour, can be observed as discrete lines and features in absorption and emission …

Two-resonator circuit quantum electrodynamics: A superconducting quantum switch

M Mariantoni, F Deppe, A Marx, R Gross… - Physical Review B …, 2008 - APS
We introduce a systematic formalism for two-resonator circuit QED, where two on-chip
microwave resonators are simultaneously coupled to one superconducting qubit. Within this …

Observation of Floquet states in a strongly driven artificial atom

C Deng, JL Orgiazzi, F Shen, S Ashhab, A Lupascu - Physical review letters, 2015 - APS
We present experiments on the driven dynamics of a two-level superconducting artificial
atom. The driving strength reaches 4.78 GHz, significantly exceeding the transition …

Dephasing of a superconducting flux qubit

K Kakuyanagi, T Meno, S Saito, H Nakano, K Semba… - Physical review …, 2007 - APS
In order to gain a better understanding of the origin of decoherence in superconducting flux
qubits, we have measured the magnetic field dependence of the characteristic energy …

Robust optimal quantum gates for Josephson charge qubits

S Montangero, T Calarco, R Fazio - Physical review letters, 2007 - APS
Quantum optimal control theory allows us to design accurate quantum gates. We employ it to
design high-fidelity two-bit gates for Josephson charge qubits in the presence of both …

Coherent quasiclassical dynamics of a persistent current qubit

DM Berns, WD Oliver, SO Valenzuela, AV Shytov… - Physical review …, 2006 - APS
A new regime of coherent quantum dynamics of a qubit is realized at low driving frequencies
in the strong driving limit. Coherent transitions between qubit states occur via the Landau …