Over-coupled reflective metasurfaces achieve octave-spanning THz quarter-wave plates covering 0.25-3 THz with axial ratio below 3 dB and over 80% conversion efficiency.
Chen , author Y
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physics.optics 1years
2026 1verdicts
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Octave-Spanning Terahertz Quarter-Wave Plates Based on Over-Coupled Fabry-P\'erot Resonances in Reflective Metal-Dielectric-Metal Metasurfaces
Over-coupled reflective metasurfaces achieve octave-spanning THz quarter-wave plates covering 0.25-3 THz with axial ratio below 3 dB and over 80% conversion efficiency.