УДК: 535.514.2

Forming cylindrical light beams with axially symmetric polarization distribution by using a light-emitting silicon-carbide-based planar waveguide

Medvedev, A.V., Dukin, A.A., Feoktistov, N.A., Golubev, V.G.

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Медведев А.В., Дукин А.А., Феоктистов Н.А., Голубев В.Г. Формирование цилиндрических пучков света с аксиально-симметричным распределением поляризации с использованием светоизлучающего планарного волновода на основе карбида кремния // Оптический журнал. 2016. Т. 83. № 9. С. 3–9.

Medvedev A.V., Dukin A.A., Feoktistov N.A., Golubev V.G. Forming cylindrical light beams with axially symmetric polarization distribution by using a light-emitting silicon-carbide-based planar waveguide [in Russian] // Opticheskii Zhurnal. 2016. V. 83. № 9. P. 3–9.

For citation (Journal of Optical Technology):

A. V. Medvedev, A. A. Dukin, N. A. Feoktistov, and V. G. Golubev, "Forming cylindrical light beams with axially symmetric polarization distribution by using a light-emitting silicon-carbide-based planar waveguide," Journal of Optical Technology. 83(9), 513-517 (2016). https://doi.org/10.1364/JOT.83.000513

Abstract:

Plasma-chemical gas-phase deposition has been used to fabricate a luminescent asymmetric planar waveguide based on an amorphous silicon carbide film of micron thickness deposited on a circular quartz substrate with a transparent cylindrical side surface. When photoluminescence is excited in an asymmetric planar waveguide, peaks of linearly polarized (P and S) radiation are recorded in the emission spectra from the side surface of the substrate, caused by emission in the leaky modes of the planar waveguide. A spherical mirror converted the radiation coming out of the side surface of the sample substrate located at the center of the mirror into a cylindrical light beam. The spectra of the P- and S-polarized radiation have been studied at different points of the cross section of the cylindrical beam. It is shown that the cylindrical beam possesses radial and azimuthal polarizations.

Keywords:

planar waveguide, mode spectrum, photoluminescence, polarization, leaky modes, cylindrical beams, radial polarization, azimuthal polarization

OCIS codes: 230.7390, 030.4070 130.5440, 250.5230 130.5440

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