Ion-Trap Chip Architecture Optimized for Implementation of Quantum Error-Correcting Code
We propose a new ion-trap architecture optimized for the efficient execution of both transversal and non-transversal gate operations in a two-dimensional color code. By differentiating the regions for transversal gates from those for non-transversal gates and syndrome extraction, which require disti...
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Zusammenfassung: | We propose a new ion-trap architecture optimized for the efficient execution
of both transversal and non-transversal gate operations in a two-dimensional
color code. By differentiating the regions for transversal gates from those for
non-transversal gates and syndrome extraction, which require distinct qubit
connectivities, our chip layout minimizes ion shuttling and simplifies physical
implementations. We also provide a dedicated transpiler and scheduler for this
architecture, wherein the scheduler coordinates the sequence of operations and
inserts the necessary swap and shuttling operations. Finally, we developed an
error analyzer to evaluate the chip's performance across a variety of quantum
algorithms. Simulation results confirm that our architecture can significantly
increase success rates and reduce gate error probabilities, particularly
lowering the effective two-qubit gate error probability to about 10^{-8} when a
quantum error-correcting code of 31 physical qubits is employed. Our findings
clearly show that the improvement in success rates clearly outweighs the
runtime overhead, demonstrating that strategic hardware-scheduler co-design can
advance quantum systems towards reliable, large-scale computing, potentially
surpassing classical capabilities. |
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DOI: | 10.48550/arxiv.2501.15200 |