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Single-mode room-temperature emission with a silicon rod lattice
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View: Figures


Image of FIG. 1.
FIG. 1.

(Color online) Computed band diagram for transverse magnetic (TM) and transverse electric (TE) modes of a triangular lattice of silicon rods having an air filling factor equal to 0.5. An effective index method is used to take into account the thickness of the rods.

Image of FIG. 2.
FIG. 2.

(Color online) Photoluminescence spectra recorded above SOI and rod array in the same conditions. The SOI intensity is ten times magnified and a SEM view of the triangular Si rods array is presented.

Image of FIG. 3.
FIG. 3.

(Color online) Experimental emission diagrams of the Si rod array for different wavelengths (1040, 1046, and ). On the figure, the green area indicates the experimental collection setup geometric characteristics.

Image of FIG. 4.
FIG. 4.

(Color online) Poynting vector amplitude finite difference time domain calculations of the radiation of dipole sources, respectively, located inside a SOI photonic crystal supporting a low group velocity mode at point and inside the silicon film of SOI. The amounts of light radiated in air and in the substrate are indicated on the figure.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Single-mode room-temperature emission with a silicon rod lattice