Extraction of optimized parameters for Si0.6Ge0.4 material and SPP mode propagation through Si0.6Ge0.4/Ag/Si0.6Ge0.4 waveguide

Md. Ghulam Saber; Rakibul Hasan Sagor

doi:10.1007/s11801-013-3152-x

Optoelectronics Letters ›› 2013, Vol. 9 ›› Issue (6) : 454-457. DOI: 10.1007/s11801-013-3152-x

Article

Extraction of optimized parameters for Si_0.6Ge_0.4 material and SPP mode propagation through Si_0.6Ge_0.4/Ag/Si_0.6Ge_0.4 waveguide

Md. Ghulam Saber¹^,^a ,
Rakibul Hasan Sagor¹

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Abstract

The Lorentz model and modified Debye model (MDM) parameters for Si_0.6Ge_0.4 are presented. A nonlinear optimization algorithm is developed. The obtained parameters are used to determine the complex relative permittivity of Si_0.6Ge_0.4, and compared with the experimental data for validation. Finally the obtained parameters are used to analyze the properties of symmetric surface plasmon polariton (SPP) mode propagation in a dielectric-metal-dielectric (DMD) material constructed with silver (Ag) and Si_0.6Ge_0.4 for further verifying the extracted parameters.

Keywords

Root Mean Square / Electric Field Strength / Root Mean Square Deviation / Surface Plasmon Polariton / Surface Plasmon Polariton Mode

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Md. Ghulam Saber, Rakibul Hasan Sagor. Extraction of optimized parameters for Si_0.6Ge_0.4 material and SPP mode propagation through Si_0.6Ge_0.4/Ag/Si_0.6Ge_0.4 waveguide. Optoelectronics Letters, 2013, 9(6): 454‒457 https://doi.org/10.1007/s11801-013-3152-x

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