Far-detuned cross-resonance designs cut frequency collisions in transmon processors, achieving 10% collision-free yield for 1024 qubits with qubit-frequency spread reduced to 6.8 MHz.
Litinski, A game of surface codes: Large-scale quan- tum computing with lattice surgery, Quantum3, 128 (2019)
5 Pith papers cite this work. Polarity classification is still indexing.
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A workload-aware surface-code architecture with ancilla-centric patches and T-gate-based floorplanning reduces required data tiles by up to 21% while maintaining near-optimal cycles per instruction and reaching 90% efficiency for 10 concurrent programs.
Orthogonal FDM with rectangular pulses suppresses interference to enable high-fidelity simultaneous gates on multiple qubits via a single microwave line.
The paper introduces concrete code deformation procedures for dense surface code packing, proposes hook-error-avoiding CNOT scheduling for syndrome extraction, and reports Monte Carlo simulations showing lower logical error rates than standard surface codes at large distances and low physical error,
A new scheme for fault-tolerant quantum computation on qLDPC codes achieves constant qubit overhead and time overhead O(d^{1+o(1)}) for good codes, faster than prior code surgery methods for a<2.
citing papers explorer
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Systematic frequency-collision analysis of the cross-resonance gate outside the straddling regime
Far-detuned cross-resonance designs cut frequency collisions in transmon processors, achieving 10% collision-free yield for 1024 qubits with qubit-frequency spread reduced to 6.8 MHz.
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Toward designing workload-aware Surface Code Architectures
A workload-aware surface-code architecture with ancilla-centric patches and T-gate-based floorplanning reduces required data tiles by up to 21% while maintaining near-optimal cycles per instruction and reaching 90% efficiency for 10 concurrent programs.
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Orthogonal frequency-division multiplexing for simultaneous gate operations on multiple qubits via a shared control line
Orthogonal FDM with rectangular pulses suppresses interference to enable high-fidelity simultaneous gates on multiple qubits via a single microwave line.
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Dense packing of the surface code: code deformation procedures and hook-error-avoiding gate scheduling
The paper introduces concrete code deformation procedures for dense surface code packing, proposes hook-error-avoiding CNOT scheduling for syndrome extraction, and reports Monte Carlo simulations showing lower logical error rates than standard surface codes at large distances and low physical error,
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Accelerating Fault-Tolerant Quantum Computation with Good qLDPC Codes
A new scheme for fault-tolerant quantum computation on qLDPC codes achieves constant qubit overhead and time overhead O(d^{1+o(1)}) for good codes, faster than prior code surgery methods for a<2.