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Fundamental quantum limits in ellipsometry

MPS-Authors

Rudnicki,  L.
Quantumness, Tomography, Entanglement, and Codes, Emeritus Group Leuchs, Emeritus Groups, Max Planck Institute for the Science of Light, Max Planck Society;

Sanchez-Soto,  L. L.
Quantumness, Tomography, Entanglement, and Codes, Emeritus Group Leuchs, Emeritus Groups, Max Planck Institute for the Science of Light, Max Planck Society;

Leuchs,  G.
Emeritus Group Leuchs, Emeritus Groups, Max Planck Institute for the Science of Light, Max Planck Society;

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2007.10440.pdf
(Preprint), 193KB

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Citation

Rudnicki, L., Sanchez-Soto, L. L., Leuchs, G., & Boyd, R. W. (2020). Fundamental quantum limits in ellipsometry. Optics Letters, 45(16), 4607-4610.


Cite as: http://hdl.handle.net/21.11116/0000-0006-DF26-5
Abstract
We establish the ultimate limits that quantum theory imposes on the accuracy attainable in optical ellipsometry. We show that the standard quantum limit, as usual reached when the incident light is in a coherent state, can be surpassed with the use of appropriate squeezed states and, for tailored beams, even pushed to the ultimate Heisenberg limit.