| Summary: | Neutral atom arrays, particularly the reconfigurable field programmable qubit arrays (FPQA) with atom movement, show strong promise for quantum computing. FPQA has a dynamic qubit connectivity, facilitating cost-effective execution of long-range gates, but it also poses new challenges in the compilation. Inspired by the FPGA compilation strategy, we develop a router, Q-Pilot, that leverages flying ancillas to implement 2-Q gates between data qubits mapped to fixed atoms. Equipped with domain-specific routing techniques, Q-Pilot achieves 1.4×, 27.7×, and 6.7× reductions in circuit depth for 100-qubit random, quantum simulation, and QAOA circuits, respectively, compared to alternative fixed atom array architectures.
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