Optimal finite-dimensional probe states for quantum phase estimation under particle loss are found via constrained optimization, and a two-step measurement strategy achieves the ultimate precision limit as confirmed by numerical simulations.
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quant-ph 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
A novel Z_{4n}-detection scheme using superposition of four coherent states in Mach-Zehnder quantum LiDAR yields enhanced resolution and broader phase sensitivity compared to conventional Z-detection.
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Optimal noisy quantum phase estimation with finite-dimensional states
Optimal finite-dimensional probe states for quantum phase estimation under particle loss are found via constrained optimization, and a two-step measurement strategy achieves the ultimate precision limit as confirmed by numerical simulations.
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Introducing a novel $Z_{4n}$-detection scheme to enhance the performance of quantum LiDAR systems
A novel Z_{4n}-detection scheme using superposition of four coherent states in Mach-Zehnder quantum LiDAR yields enhanced resolution and broader phase sensitivity compared to conventional Z-detection.