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Robust Control Pulses Design for Electron Shuttling in Solid-State Devices
Published Web Location
https://doi.org/10.1109/tcst.2014.2308515Abstract
In this brief, we study robust pulse design for electron shuttling in solid-state devices. This is crucial for many practical applications of coherent quantum mechanical systems. Our objective is to design control pulses that can transport an electron along a chain of donors and that also make this process robust to parameter uncertainties. We formulate this problem here as a set of optimal control problems and derive explicit expressions for the gradients of the aggregate transfer fidelity. Numerical results for a donor chain of ionized phosphorus atoms in bulk silicon demonstrate the efficacy of our algorithm.
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