Optimally shaped terahertz pulses for phase retrieval in a Rydberg atom data register

Abstract

We employ Optimal Control Theory to discover an efficient information retrieval algorithm that can be performed on a Rydberg atom data register using a shaped terahertz pulse. The register is a Rydberg wave packet with one consituent orbital phase-reversed from the others (the ``marked bit''). The terahertz pulse that performs the decoding algorithm does so by by driving electron probability density into the marked orbital. Its shape is calculated by modifying the target of an optimal control problem so that it represents the direct product of all correct solutions to the algorithm.

6 pages, 3 figures

Cited by in corpus (12)

• Optimal control theory for unitary transformations
• One decade of quantum optimal control in the chopped random basis
• Optimal Control of Quantum Dissipative Dynamics: Analytic solution for cooling the three level $\Lambda$ system
• Finite Controllability of Infinite-Dimensional Quantum Systems
• Broadband 180 degree universal rotation pulses for NMR spectroscopy designed by optimal control
• Control of trapped-ion quantum states with optical pulses
• Gate errors in solid state quantum computer architectures
• Phase information revealed by interferences in the ionization of rotational wave packets
• Flag-Based Control of Quantum Purity for $n=2$ Systems
• Coherence measurements on Rydberg wave packets kicked by a half-cycle pulse
• Information hiding and retrieval in Rydberg wave packets using half-cycle pulses
• Flag-based Control of Orbit Dynamics in Quantum Lindblad Systems