Fundamental quantum limits in ellipsometry



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Rudnicki, Lukasz and Sánchez Soto, Luis Lorenzo and Leuchs, Gerd and Boyd, R. W. (2020) Fundamental quantum limits in ellipsometry. Optics letters, 45 (16). pp. 4607-4610. ISSN 0146-9592

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We establish the ultimate limits that quantum theory imposes on the accuracy attainable in optical ellipsometry. We show that the standard quantum limit, as usually 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.

Item Type:Article
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© 2020 Optical Society of America.
Funding: Foundation for Polish Science (ICTQT 2018/MAB/5); Ministry of Education and Science of the Russian Federation (14.W03.31.0032); Canada Excellence Research Chairs (501100002781). Ministerio de Ciencia e Innovación (PGC2018-099183-B-I00).

Uncontrolled Keywords:Phase-Difference; Noise
Subjects:Sciences > Physics > Optics
ID Code:62372
Deposited On:07 Oct 2020 18:28
Last Modified:12 Aug 2021 22:00

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