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Proceedings Paper

Polaritonic resonances in 2D silicon photonic crystals
Author(s): Lyudmyla Karachevtseva; Alexander Glushko; Vitaliy Ivanov; Mikola Karas'; Volodymyr Onishchenko
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Paper Abstract

Polaritonic resonancies are investigated in 2D silicon photonic crystals. Theoretically unpredicted reduction in the transmittance of electromagnetic radiation and the step formation are observed for wavelengths less than optical period of structures due to directed and decay optical modes formed by macroporous silicon as a short waveguide structure. Prevalence of absorption over reflection of light testify to the polaritonic type band formation. Surface polaritons are formed on decay modes in a silicon matrix or macropore at formation of directed optical modes relatively on macropore or silicon matrix. Absorption, photoconductivity and Raman scattering maxima are determined by a corresponding maximum of a longitudinal component of electromagnetic waves in macroporous silicon structure as short waveguide with a specific surface. Longitudinal component of electromagnetic waves in investigated structure interacts effectively with surface oscillators, and polaritonic resonances in 2D silicon photonic crystals are observed.

Paper Details

Date Published: 17 May 2007
PDF: 11 pages
Proc. SPIE 6588, Photonic Crystal Fibers, 65880X (17 May 2007); doi: 10.1117/12.722017
Show Author Affiliations
Lyudmyla Karachevtseva, V. Lashkaryov Institute of Semiconductor Physics (Ukraine)
Alexander Glushko, V. Lashkaryov Institute of Semiconductor Physics (Ukraine)
Vitaliy Ivanov, V. Lashkaryov Institute of Semiconductor Physics (Ukraine)
Mikola Karas', V. Lashkaryov Institute of Semiconductor Physics (Ukraine)
Volodymyr Onishchenko, V. Lashkaryov Institute of Semiconductor Physics (Ukraine)


Published in SPIE Proceedings Vol. 6588:
Photonic Crystal Fibers
Kyriacos Kalli, Editor(s)

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