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Current issue   Ukr. J. Phys. 2015, Vol. 59, N 10, p.967-971
https://doi.org/10.15407/ujpe59.10.0967    Paper

Glushko E.Ya.

Institute of Semiconductor Physics
(41, Nauky Prosp., Kyiv 03028, Ukraine)

Spectrum and Optical Contrastivity of an Oxidized Comb-Like Silicon Photonic Crystal

Section: Optics, lasers, and quantum electronics
Original Author's Text: English

Abstract: A typical oxidized ternary photonic crystal – A/B/A/C N-periodic structure – is investigated analytically and numerically in the framework of the transfer matrix formalism. The influence of the oxidation on photonic gaps and the positions of perfect reflection areas for (SiO2/Si/SiO2/Air)N structure is calculated with regard for a transformation of the widths of silicon oxide layers. It is shown that the intrinsic optical contrastivity has a non-monotone behavior during the process of oxidation of silicon in the case of p-polarized electromagnetic waves. The found results will allow one to determine the optimal regimes of oxidation to obtain the needed optical properties of a photonic material.

Key words: photonic bandgap materials, photonic resonators, trapped modes, oxidation, reflection, transmission.


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