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Guided Bloch surface wave polaritons
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View: Figures


Image of FIG. 1.
FIG. 1.

Scheme of the structures under investigation: (a) multilayer stack supporting in-plane propagating Bloch surface modes with the air cladding (b) same mutlayer with a 500 nm silica layer in the cladding. (c) Calculated mode dispersion of BSWs for the structure in (a) (dashed line) and (b) (solid line), as a function of the planar momentum, ; The air and silica light lines and the Bragg gap of the multilayer are indicated.

Image of FIG. 2.
FIG. 2.

Calculated ATR spectra at variable angles, showing excitation of guided BSW polariton modes through a ZnSe prism in optical contact with the sample surface, for a structure as in Fig. 1(a): (a) color scale plot and (b) ATR spectrum for the angle of incidence corresponding to the maximum Rabi splitting, i.e., dashed line in (a). Dotted and solid lines indicate the bare exciton and BSW dispersions, respectively. (c) Field intensity profile along the growth direction for the guided BSW. The Bragg stack is superimposed, and the QW position is marked by a red line in the GaAs layer.

Image of FIG. 3.
FIG. 3.

(a) Calculated ATR spectra at different incidence angles , in the -plane, for a ridge structure (see inset) through a ZnSe prism in contact with the ridge. Dashed lines are a guide to the eye to highlight the polaritonic nature of the excited modes inside the structure. [(b) and (c)] Color scale plot of the field intensity profile.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Guided Bloch surface wave polaritons