Wide-angle absorption of visible light from simple bilayers

Athanasios N. Papadimopoulos, Nikolaos V. Kantartzis, Nikolaos L. Tsitsas, Constantinos A. Valagiannopoulos

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Color-selective absorption of light is a very significant operation used in numerous applications, from photonic sensing and switching to optical signal modulation and energy harnessing. We demonstrate angle-insensitive and polarization-independent absorption by thin bilayers comprising ordinary bulk media: dielectrics, semiconductors, and metals. Several highly efficient designs for each color of the visible spectrum are reported, and their internal fields’ distributions reveal the resonance mechanism of absorption. The proposed bilayer components are realizable, since various physical or chemical deposition methods can be used for their effective fabrication. The absorption process is found to exhibit endurance with respect to the longitudinal dimension of the planar structure, which means that the same designs could be successfully utilized in non-planar configurations composed of arbitrary shapes.

Original languageEnglish
Number of pages1
JournalApplied Optics
Volume56
Issue number35
DOIs
Publication statusPublished - Dec 10 2017

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Color
Photonics
Durability
Modulation
Polarization
Semiconductor materials
color
Fabrication
endurance
planar structures
visible spectrum
Metals
optical communication
photonics
modulation
fabrication
polarization
configurations
metals
energy

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Wide-angle absorption of visible light from simple bilayers. / Papadimopoulos, Athanasios N.; Kantartzis, Nikolaos V.; Tsitsas, Nikolaos L.; Valagiannopoulos, Constantinos A.

In: Applied Optics, Vol. 56, No. 35, 10.12.2017.

Research output: Contribution to journalArticle

Papadimopoulos, Athanasios N. ; Kantartzis, Nikolaos V. ; Tsitsas, Nikolaos L. ; Valagiannopoulos, Constantinos A. / Wide-angle absorption of visible light from simple bilayers. In: Applied Optics. 2017 ; Vol. 56, No. 35.
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