Reconfigurable and spectrally switchable perfect absorber based on a phase-change material

In this paper, we propose a lithography-free spectrally tunable prefect absorber based on an asymmetric Fabry-Perot cavity using (GST), a phase-change material, as the cavity layer. The proposed device shows a maximum absorption of 99.7% at 1550 nm, at a particular angle of incidence and polarizatio...

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Veröffentlicht in:	Applied optics (2004) 2022-04, Vol.61 (10), p.2888-2897
Hauptverfasser:	Prakash S, Ram, Kumar, Rajesh, Mitra, Anirban
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorbers Absorption spectra Crystal structure Crystallinity Fabry-Perot interferometers Incidence angle Optical communication Phase change materials Reconfiguration Tuning Voltage pulses
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