Spin-Hall effect of light at a tilted polarizer

Bliokh, Konstantin Y.; Prajapati, Chandravati; Samlan, C. T.; Viswanathan, Nirmal K.; Nori, Franco

doi:10.1364/ol.44.004781

Cited by 43 publications

(23 citation statements)

References 36 publications

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“…This was first experimentally demonstrated in a tilted linear polarizer system and has attracted particular attentions [19]. In a subsequent study, it was shown that such effect could be observed in a generalized tilted homogeneous uniaxial anisotropic system having either dichroism (polarizer) or retardance (waveplate) [9,23]. Importantly, it was demonstrated that this beam shift is not purely geometric; rather, it depends upon the polarization anisotropy parameter of the sample.…”

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confidence: 90%

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Tunable giant two-dimensional optical beam shift from a tilted linear polarizer

Modak,

Das,

Bordoloi

et al. 2022

Preprint

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We demonstrate an intriguing giant optical beam shift in a tilted polarizer system analogous to the Imbert-Fedorov shift in partial reflection around the Brewster's angle of incidence. We explain this giant shift using a generalized theoretical treatment for beam shift in a tilted uniaxial anisotropic material incorporating the three-dimensional orientation of its optic axis in the laboratory frame. We further demonstrate regulated control and tunability of both the magnitude and direction of the shifts by wisely tuning the input polarization and the corresponding orientation angles. These findings open up the possibility of precise micron-level beam steering using a simple linear polarizer.

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confidence: 90%

“…Importantly, it was demonstrated that this beam shift is not purely geometric; rather, it depends upon the polarization anisotropy parameter of the sample. Understanding the nature of such intriguing beam shifts in tilted anisotropic systems, therefore, demands further investigations both on conceptual and practical grounds [24,10,23,11].…”

mentioning

confidence: 99%

Tunable giant two-dimensional optical beam shift from a tilted linear polarizer

Modak,

Das,

Bordoloi

et al. 2022

Preprint

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“…PSHE may offer potential applications in various spin-dependent optical components including beam splitters [16,17] and surface sensing [18,19]. The PSHE enhancement was demonstrated for different anisotropic materials and structures including uniaxial crystals [20,21], polarizers [22], polymer films [23], liquid crystals [24], metasurfaces [16,[25][26][27][28], hyperbolic metamaterials [29][30][31], etc.…”

Section: Introductionmentioning

confidence: 99%

Photonic Spin Hall Effect: Contribution of Polarization Mixing Caused by Anisotropy

et al. 2020

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Spin-orbital interaction of light attracts much attention in nanophotonics opening new horizons for modern optical systems and devices. The photonic spin Hall effect or Imbert-Fedorov shift takes a special place among the variety of spin-orbital interaction phenomena. It exhibits as a polarization-dependent transverse light shift usually observed in specular scattering of light at interfaces with anisotropic materials. Nevertheless, the effect of the polarization mixing caused by anisotropy on the Imbert-Fedorov shift is commonly underestimated. In this work, we demonstrate that polarization mixing contribution cannot be ignored for a broad range of optical systems. In particular, we show the dominant influence of the mixing term over the standard one for the polarized optical beam incident at a quarter-wave plate within the paraxial approximation. Moreover, our study reveals a novel contribution with extraordinary polarization dependence not observable within the simplified approach. We believe that these results advance the understanding of photonic spin Hall effect and open new opportunities for spin-dependent optical phenomena.

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“…IF shift is an example of spin-Hall effect of light, which reflected or refracted at an interface of different media and circularly polarized components of a linearly polarized beam. [24][25][26][27] Dove prisms are optical devices that can be potentially used to manipulate the optical properties of light. They are widely used in imaging, [28] information processing, [29] and sensors.…”

Section: Introductionmentioning

confidence: 99%

“…IF shift is an example of spin‐Hall effect of light, which reflected or refracted at an interface of different media and circularly polarized components of a linearly polarized beam. [ 24–27 ]…”

Section: Introductionmentioning

confidence: 99%

Imbert–Fedorov Effects of Polarized Laser Beams Reflected from Dove Prism/Indium Tin Oxide Interface under Electric and Thermal Fields

Jiao

Sun

et al. 2020

Physica Status Solidi (b)

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Imbert-Fedorov (IF) effects of a polarized laser beam reflected from a dove prism/ indium tin oxide (ITO) interface in the presence of electric and thermal fields are studied using a slit-beam profiler and Stokes polarimeters. The IF effects of the polarized laser beams are primarily influenced by an electric field when the external direct current (DC) voltage is below 1.0 V, and it is mainly influenced by the thermal field when the external DC voltage changes from 1.0 to 4.0 V. The results exhibit a high resolution of 3 Â 10 À3 C, due to the variation of the right-and left-circular polarization properties of the reflected linearly polarized laser beams. In view of this influence of electric and thermal fields on IF effects, the results can be applied in polarization optics, temperature sensing, and light manipulation.

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Spin-Hall effect of light at a tilted polarizer

Cited by 43 publications

References 36 publications

Tunable giant two-dimensional optical beam shift from a tilted linear polarizer

Tunable giant two-dimensional optical beam shift from a tilted linear polarizer

Photonic Spin Hall Effect: Contribution of Polarization Mixing Caused by Anisotropy

Imbert–Fedorov Effects of Polarized Laser Beams Reflected from Dove Prism/Indium Tin Oxide Interface under Electric and Thermal Fields

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