Title : Controllable photonic spin hall effect of bilayer graphene.

Pub. Date : 2022 May 13

PMID : 35487185






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1 Controllable Photonic Spin Hall effect of Bilayer Graphene. Graphite spindlin 1 Homo sapiens
2 In this work, we have theoretically observed that bilayer graphene has two obvious discontinuities but monolayer graphene only has a single step in the spectrum of the spin shifts as a function of wavelength at the Brewster angle over the midinfrared frequency range, which enables a possible route of distinguishing monolayer graphene and bilayer graphene. Graphite spindlin 1 Homo sapiens
3 In this work, we have theoretically observed that bilayer graphene has two obvious discontinuities but monolayer graphene only has a single step in the spectrum of the spin shifts as a function of wavelength at the Brewster angle over the midinfrared frequency range, which enables a possible route of distinguishing monolayer graphene and bilayer graphene. Graphite spindlin 1 Homo sapiens
4 In this work, we have theoretically observed that bilayer graphene has two obvious discontinuities but monolayer graphene only has a single step in the spectrum of the spin shifts as a function of wavelength at the Brewster angle over the midinfrared frequency range, which enables a possible route of distinguishing monolayer graphene and bilayer graphene. Graphite spindlin 1 Homo sapiens
5 In this work, we have theoretically observed that bilayer graphene has two obvious discontinuities but monolayer graphene only has a single step in the spectrum of the spin shifts as a function of wavelength at the Brewster angle over the midinfrared frequency range, which enables a possible route of distinguishing monolayer graphene and bilayer graphene. Graphite spindlin 1 Homo sapiens
6 Additionally, the magnitudes and positions of the peak and valley values in the spectrum of spin shifts of bilayer graphene can be tuned by its Fermi energy. Graphite spindlin 1 Homo sapiens
7 We also achieved the enhanced transverse spin shift of bilayer graphene at both the Brewster angle ( 33.55 ) and the critical angle ( 41.31 ) with the aid of the high order of Laguerre-Gaussian beam. Graphite spindlin 1 Homo sapiens
8 The realization of large and controlled spin shift in bilayer graphene indicates its promising applications in precision measurements and refractive index sensors at the midinfrared frequency region. Graphite spindlin 1 Homo sapiens