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

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

2001-03-30

arxiv.org/abs/quant-ph/0103171v1

Physics

Quantum Physics

6 pages, 3 figures

Scientific paper

10.1103/PhysRevA.64.033417

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.

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