Design and fabrication of multilayer metal-clad dielectric surface plasmon waveguide polarizers

Dharmendra Kumar; V. K. Sharma; Kailash Narayan Tripathi

doi:10.1117/1.2203365

1 May 2006 Design and fabrication of multilayer metal-clad dielectric surface plasmon waveguide polarizers

Dharmendra Kumar, V. K. Sharma, Kailash Narayan Tripathi

Author Affiliations +

Optical Engineering, Vol. 45, Issue 5, 054601 (May 2006). https://doi.org/10.1117/1.2203365

Abstract

Planar multilayer optical waveguides consisting of thin dielectric films with metal cladding have been investigated as TM-mode absorption polarizers. Two types of structure are analyzed. In the first one, the guided-mode losses were calculated as a function of the thicknesses of the buffer layer and the metal. Another polarizer, utilizing a MgF₂/metal/MgF₂ overlayer, is discussed. It is observed that in this configuration TM absorption losses are enhanced and thus we get a better extinction ratio. The polarizer has also been fabricated and characterized on ion exchange optical planar waveguides with a MgF₂/Ag/MgF₂ overlayer.

©(2006) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Dharmendra Kumar, V. K. Sharma, and Kailash Narayan Tripathi "Design and fabrication of multilayer metal-clad dielectric surface plasmon waveguide polarizers," Optical Engineering 45(5), 054601 (1 May 2006). https://doi.org/10.1117/1.2203365

Published: 1 May 2006

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