most citedSub-Shot-Noise Quantum Optical Interferometry: A Comparison of Entangled State Performance within a Unified Measurement Scheme

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quant-ph2008★ 13 cited

Sub-Shot-Noise Quantum Optical Interferometry: A Comparison of Entangled State Performance within a Unified Measurement Scheme

Yang Gao, Hwang Lee

Phase measurement using a lossless Mach-Zehnder interferometer with certain entangled -photon states can lead to a phase sensitivity of the order of 1/N, the Heisenberg limit. H…