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21 August 2020 Wavelength-tunable planar plasmonic absorber based on PCM's nanoresonators
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Abstract
We analyzed and proposed a planar plasmonic absorber based on a tri-layer nanorressonators structure using metal-PCM's-metal. The planar absorber uses resonance between the metal and dielectric layers, for maximum light absorption in the infrared (1000 – 2200nm) electromagnetic spectrum. The resonance peak of the absorber can be shifted to other regions of the spectrum by varying the phase (amorphous and crystalline) of the dielectric film. It is also possible to control the absorption with the angle of incidence in the TE and TM polarization modes. The high absorption and high tolerance for fabrication errors of the absorber proposed can be exploited in a large number of optoelectronic devices.
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© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Israel Alves Oliveira, I. L. Gomes de Souza, and V. F. Rodriguez-Esquerre "Wavelength-tunable planar plasmonic absorber based on PCM's nanoresonators", Proc. SPIE 11467, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVII, 114670S (21 August 2020); https://doi.org/10.1117/12.2568966
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