A new quantum optimal control algorithm that follows the geodesic on SU(2^n) converges to high-fidelity multi-qubit gates in far fewer iterations than GRAPE, including 5- and 6-qubit quantum Fourier transforms on Rydberg atom arrays.
are there traps in quantum control landscapes?
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Quantum Optimal Control with Geodesic Pulse Engineering
A new quantum optimal control algorithm that follows the geodesic on SU(2^n) converges to high-fidelity multi-qubit gates in far fewer iterations than GRAPE, including 5- and 6-qubit quantum Fourier transforms on Rydberg atom arrays.