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Proceedings Paper

Photonic spin Hall effect with nearly 100% efficiency (Conference Presentation)
Author(s): Shulin Sun
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Paper Abstract

Photonic spin hall effect (PSHE), that spin-polarized photons can be laterally separated in transportation, gains increasing attention from both science and technology, but available mechanisms either require bulky systems or exhibit very low efficiencies. Here we demonstrate that a giant PSHE with ~100% efficiency can be realized at certain meta-surfaces with deep-subwavelength thicknesses. Based on rigorous Jones-Matrix analysis, we establish a general criterion to design meta-surfaces that can realize 100%-efficiency PSHE. The criterion is approachable from two distinct routes at general frequencies. As a demonstration, two microwave meta-surfaces are fabricated and then experimentally characterized, both showing ~90% efficiencies for the PSHE. Our findings pave the road for many exciting applications based on high-efficiency manipulations of photon spins, with a polarization detector experimentally demonstrated here as an example.

Paper Details

Date Published: 9 November 2016
PDF: 1 pages
Proc. SPIE 9918, Metamaterials, Metadevices, and Metasystems 2016, 991819 (9 November 2016); doi: 10.1117/12.2237256
Show Author Affiliations
Shulin Sun, Fudan Univ. (China)


Published in SPIE Proceedings Vol. 9918:
Metamaterials, Metadevices, and Metasystems 2016
Nader Engheta; Mikhail A. Noginov; Nikolay I. Zheludev, Editor(s)

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Photonic spin Hall effect with nearly 100% efficiency (Conference Presentation)



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