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Optically Controlled Optical Modulator using a Self-Assembled 2D Plasmonic Crystal

Published online by Cambridge University Press:  17 April 2019

Yi Lou  and
John F. Muth
Yi Lou
Affiliation:
Department of Electrical and Computer Engineering, North Carolina State University Raleigh, NC 27606, U.S.A
John F. Muth
Affiliation:
Department of Electrical and Computer Engineering, North Carolina State University Raleigh, NC 27606, U.S.A
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Abstract

The surface plasmon enhanced transmission of light though a plasmonic crystal provides a novel approach for fabricating an optical modulator. The extraordinary transmission passing though these patterned metallic films is very sensitive to the surface dielectric environment. In this study, hexagonal lattice plasmonic crystals were fabricated with a self-assembly technique. Arrays of gold nano-holes or bumps with 500/600 nm periodicity were used to test the sensitivity of plasmon resonance wavelength for liquids and polymers with different dielectric constants. A nonlinear optical polymer P3HT coated onto the plasmonic crystal and pumped with 475 nm laser was found to modulate the transmission of a normally incident red light at 670 nm.

Keywords

optoelectronicorganicphotoreflectance
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1248: Symposium D – Solution Processing of Inorganic and Hybrid Materials for Electronics and Photonics , 2010 , 1248-D11-22
Copyright
Copyright © Materials Research Society 2010

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