The discovery of Photonic spin Hall effect (PSHE) on surface plasmon polaritons (SPPs) is an important progress in photonics. In this paper, a method of realizing multi-channel PSHE in two-dimensional metal-air-metal waveguide is proposed. By modulating the phase difference [Formula: see text] and polar angle [Formula: see text] of the dipole source, the SPP can propagate along a specific channel. We further prove that PSHE results from the component wave interference theory. We believe that our findings will rich the application of SPPs in optical devices.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8266915 | PMC |
| http://dx.doi.org/10.1038/s41598-021-93517-w | DOI Listing |
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