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quant-ph2024
Two-stage Quantum Estimation and the Asymptotics of Quantum-enhanced Transmittance Sensing
Zihao Gong, Boulat A. Bash
We consider estimation of a single unknown parameter embedded in a quantum state. Quantum Cramér-Rao bound (QCRB) is the ultimate limit of the mean squared error for any unbiased e…
quant-ph2024★ 1 cited
Covert Quantum Communication Over Optical Channels
Evan J. D. Anderson, Christopher K. Eyre, Isabel M. Dailey +2
We explore covert communication of qubits over the lossy thermal-noise bosonic channel, which is a quantum-mechanical model of many practical channels, including optical. Covert co…