Amplitude and phase effects in Josephson qubits driven by a biharmonic electromagnetic field
arXiv:1305.4800 · doi:10.1103/PhysRevB.90.104516
Abstract
We investigate the amplitude and phase effects of qubit dynamics and excited-state population under the influence of a biharmonic control field. It is demonstrated that the biharmonic driving field can have a significant effect on the behavior of quasi-energy level crossing as well as on multiphoton transitions. Also, the interference pattern for the populations of qubit excited states is sensitive to the signal parameters. We discuss the possibility of using these effects for manipulating qubit states and calibrating nanosecond pulses.
10 pages, 8 figures
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- Amplified and tunable transverse and longitudinal spin-photon coupling in hybrid circuit-QED
- Dynamic transition in Landau-Zener-Stückelberg interferometry of dissipative systems: the case of the flux qubit
- Floquet spectrum and driven conductance in Dirac materials: Effects of Landau-Zener-Stückelberg-Majorana interferometry
- Control of spectroscopic features of multiphoton transitions in two coupled qubits by driving fields
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- Harmonic dual dressing of spin one-half systems
- Controllable single spin evolution at sub-harmonics of electric dipole spin resonance enhanced by four-level Landau-Zener-St{ü}ckelberg-Majorana interference
- Mesoscopic fluctuations in biharmonically driven flux qubits
- Multipassage Landau-Zener tunneling oscillations in transverse/longitudinal dual dressing of atomic qubits
- Tunable frequency conversion and comb generation with a superconducting artificial atom