Observation of the spin hall effect of light via weak measurements

O. Hosten, P. Kwiat, Science 319 (2008) 787–790.

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Abstract
We have detected a spin-dependent displacement perpendicular to the refractive index gradient for photons passing through an air-glass interface. The effect is the photonic version of the spin Hall effect in electronic systems, indicating the universality of the effect for particles of different nature. Treating the effect as a weak measurement of the spin projection of the photons, we used a preselection and postselection technique on the spin state to enhance the original displacement by nearly four orders of magnitude, attaining sensitivity to displacements of ∼1 angstrom. The spin Hall effect can be used for manipulating photonic angular momentum states, and the measurement technique holds promise for precision metrology.
Publishing Year
Date Published
2008-02-08
Journal Title
Science
Volume
319
Issue
5864
Page
787 - 790
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Hosten O, Kwiat P. Observation of the spin hall effect of light via weak measurements. Science. 2008;319(5864):787-790. doi:10.1126/science.1152697
Hosten, O., & Kwiat, P. (2008). Observation of the spin hall effect of light via weak measurements. Science, 319(5864), 787–790. https://doi.org/10.1126/science.1152697
Hosten, Onur, and Paul Kwiat. “Observation of the Spin Hall Effect of Light via Weak Measurements.” Science 319, no. 5864 (2008): 787–90. https://doi.org/10.1126/science.1152697.
O. Hosten and P. Kwiat, “Observation of the spin hall effect of light via weak measurements,” Science, vol. 319, no. 5864, pp. 787–790, 2008.
Hosten O, Kwiat P. 2008. Observation of the spin hall effect of light via weak measurements. Science. 319(5864), 787–790.
Hosten, Onur, and Paul Kwiat. “Observation of the Spin Hall Effect of Light via Weak Measurements.” Science, vol. 319, no. 5864, American Association for the Advancement of Science, 2008, pp. 787–90, doi:10.1126/science.1152697.

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