期刊
OPTICS EXPRESS
卷 29, 期 8, 页码 12160-12168出版社
Optica Publishing Group
DOI: 10.1364/OE.420907
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资金
- National Natural Science Foundation of China [11874269, 61875133]
- Science and Technology Planning Project of Shenzhen Municipality [JCYJ20180508152903208, JCYJ20190808143801672, JCYJ20190808150803580]
The method proposed enhances the spin Hall effect of light in the photonic hypercrystal by utilizing redshift gaps and optimizing the structure and incident angle, allowing for a maximum transverse shift close to 15 μm. This enhancement provides opportunities for expanding applications in the field of optics.
We proposed a method for enhancing the spin Hall effect (SHE) of light in the photonic hypercrystal (PHC). PHC is a periodic structure that combines the properties of hyperbolic metamaterials (HMMs) and conventional one-dimensional-photonic crystals (1DPCs). The proposed PHC is composed of Ti3O5 and HMMs, which alternatively consist of Ag and Ti3O5. The giant ratio of reflection coefficients of TE/TM polarizations can be realized due to the redshift gaps of the PHCs, where the band edge of TE polarization shifts toward short wavelengths but the band edge of TM polarization moves toward long wavelengths. It will eventually lead to the enhancement of SHE in this PHC with the redshift gaps. The maximum transverse shift can be close to 15 mu m with the optimum thickness and incident angle. The enhancing SHE provides us an opportunity to expand the corresponding applications in the field of optics. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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