Author

John Blue

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Preprint Oct 2026

Quantum Codeword Sensing

Consider the task of identifying an unknown classical codeword delivered to a register of quantum sensor qubits through a sequence of weak phase interactions that each encode one bit. Suppose that each received bit controls an identical $Z$-rotation of angle $\theta$ applied to every sensor qubit; receivers may also us...

John Blue, Zachary E. Chin, Vlad S. Oros et al. · 0 citations

Preprint Jul 2026

Remote entanglement need not be the bottleneck for modular trapped-ion quantum computing

Modularity underpins classical computing; as quantum processors encounter limits on fabrication yield, reliability, and size, they will also need it acutely. The bottleneck to linking modules is producing shared entanglement at sufficient rate, density, and fidelity. Trapped ions hold the best demonstrated photonic lin...

F. Knollmann, David P. Nadlinger, John Blue et al. · 0 citations