Floquet-Landau-Zener interferometry: Usefulness of the Floquet theory in pulse-laser-driven systems

Abstract

We develop the Landau-Zener transfer matrix theory for the instantaneous Floquet states (IFSs) for quantum systems driven by strong pulse lasers. Applying this theory to the pulse excitation probability in two-level quantum systems, we show unexpectedly good quantitative agreements for few-cycle pulses. This approach enables us to qualitatively understand the probability's peculiar behaviors as quantum path interference between IFSs. We also study the pulse-width dependence, finding that this Floquet-state interpretation remains useful for shorter pulses down to 2-cycle ones in the present model. These results imply that the Floquet theory is meaningful in experimental few-cycle lasers if applied appropriately in the sense of IFSs.

arXiv comment9+6 pages, 12 figures; v2 reference added

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Cited by in corpus (14)

• Nonadiabatic Landau-Zener-Stückelberg-Majorana transitions, dynamics, and interference
• Buildup and dephasing of Floquet-Bloch bands on subcycle time scales
• Measurement-Induced Transmon Ionization
• Exciton-coherence generation through diabatic and adiabatic dynamics of Floquet state
• Band nonlinearity-enabled manipulation of Dirac nodes, Weyl cones, and valleytronics with intense linearly polarized light
• Mapping light-dressed Floquet bands by highly nonlinear optical excitations and valley polarization
• Impact of Josephson junction array modes on fluxonium readout
• Offset Charge Dependence of Measurement-Induced Transitions in Transmons
• Landau-Zener without a Qubit: Unveiling Multiphoton Interference, Synthetic Floquet Dimensions, and Dissipative Quantum Chaos
• Monolayer transition metal dichalcogenides under finite-pulse polarized radiation
• Floquet systems with continuous dynamical symmetries: characterization, time-dependent Noether charge, and solvability
• Non-linear photoconductivity of strongly driven graphene
• Multi-tunneling effect of nonreciprocal Landau-Zener tunneling: Insights from DC field responses
• Robust biexciton preparation for entangled photon-pair generation by single-shot Floquet driving