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Express"],"published-print":{"date-parts":[[2025,2,24]]},"abstract":"<jats:p>The photonic spin Hall effect, arising from the spin-orbit interaction of light, has attracted rapt scientific interest owing to its applicability. Due to the limited strength of the spin-orbit interaction, the resulting photonic spin Hall shift (PSHS) is very small. In addition, the low scattering intensity hinders the applicability of the PSHS in higher-dimensional systems. Here, we explore the effect of the chirality of the particle on the far-field PSHS and the scattered intensity. We demonstrate that the chiral particle strongly supports quasi-dual symmetry when the handedness of the incident wave and the sphere match, in contrast to unmatched handedness. Under dual transformation, the spin-orbit interaction is amplified, resulting in enhanced PSHS with a characteristic redshift. Meanwhile, the far-field scattering intensity is optimized without changing the geometry of the particle. The strong spin-orbit interaction in the near-field arises due to the optical singularities in the far-vicinity, which leads to a large effective transverse force. Our results not only provide a route to tune the PSHS and scattering efficiency but might have the potential to characterize the degree of handedness of the nanoparticle.<\/jats:p>","DOI":"10.1364\/oe.551638","type":"journal-article","created":{"date-parts":[[2025,2,7]],"date-time":"2025-02-07T04:00:34Z","timestamp":1738900834000},"page":"8290","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Enhanced photonic spin Hall shift and scattering efficiency through chiral nanoparticles"],"prefix":"10.1364","volume":"33","author":[{"given":"Hao","family":"Zhang","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05t8y2r12","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aizaz","family":"Khan","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05t8y2r12","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zeeshan","family":"Ahmad","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05t8y2r12","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lei","family":"Gao","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05t8y2r12","id-type":"ROR","asserted-by":"publisher"}]},{"name":"Suzhou City University & Suzhou Key Laboratory of Biophotonics & Jiangsu Key Laboratory of Biophotonics"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9553-7318","authenticated-orcid":true,"given":"Andrey","family":"Novitsky","sequence":"additional","affiliation":[{"name":"Belarusian State University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3832-820X","authenticated-orcid":true,"given":"Yadong","family":"Xu","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05t8y2r12","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5731-0312","authenticated-orcid":true,"given":"Dongliang","family":"Gao","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/05t8y2r12","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2025,2,18]]},"reference":[{"key":"oe-33-4-8290-R1","doi-asserted-by":"publisher","first-page":"796","DOI":"10.1038\/nphoton.2015.201","volume":"9","author":"Bliokh","year":"2015","journal-title":"Nat. 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