Excitation of multiple surface-plasmon-polariton waves and waveguide modes in a 1D photonic crystal atop a 2D metal grating

Liu Liu; Muhammad Faryad; A. Shoji Hall; Greg D. Barber; Sema Erten; Thomas E. Mallouk; Akhlesh Lakhtakia; Theresa S. Mayer

doi:10.1117/12.2061876

5 September 2014 Excitation of multiple surface-plasmon-polariton waves and waveguide modes in a 1D photonic crystal atop a 2D metal grating

Liu Liu, Muhammad Faryad, A. Shoji Hall, Greg D. Barber, Sema Erten, Thomas E. Mallouk, Akhlesh Lakhtakia, Theresa S. Mayer

Author Affiliations +

Proceedings Volume 9191, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XI; 919104 (2014) https://doi.org/10.1117/12.2061876
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

The Floquet theory and the transfer-matrix approach were used to investigate the excitation of surfaceplasmon-polariton (SPP) waves and waveguide modes in a structure comprising a one-dimensional photonic crystal (1D PC) of finite thickness on top of a planar thick metallic layer. The solutions of the relevant dispersion equations were used to predict the excitation of multiple SPP waves and waveguide modes when the metallic layer is patterned as a two-dimensional (2D) surface-relief grating. The same structure was experimentally fabricated and optically characterized to validate the theoretical approach. Both the theoretical and experimental results show broadband coupling of incident light of either linear polarization state over a broad range of the angle of incidence. This structure has potential applications in planar optical concentrators.

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Liu Liu, Muhammad Faryad, A. Shoji Hall, Greg D. Barber, Sema Erten, Thomas E. Mallouk, Akhlesh Lakhtakia, and Theresa S. Mayer "Excitation of multiple surface-plasmon-polariton waves and waveguide modes in a 1D photonic crystal atop a 2D metal grating", Proc. SPIE 9191, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XI, 919104 (5 September 2014); https://doi.org/10.1117/12.2061876

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KEYWORDS

Waveguide modes

Absorption

Metals

Electroluminescent displays

Polarization

Interfaces

Photonic crystals

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