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Limits on atomic qubit control from laser noise

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Limits on atomic qubit control from laser noise

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  • Author: M. L. Day, P. J. Low, B. White, R. Islam, & C. Senko
Technical noise present in laser systems can limit their ability to perform high fidelity quantum control of atomic qubits. The ultimate fidelity floor for atomic qubits driven with laser radiation is due to spontaneous emission from excited energy levels. The goal is to suppress the technical noise from the laser source to below the spontaneous emission floor such that it is no longer a limiting factor.

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