A subwavelength grating silicon waveguide with evanescently coupled GST grating segments achieves 28.8 dB extinction ratio switching and over 4 nm blueshift via partial GST crystallization, as shown in 3D FDTD simulations.
Silicon nitride waveguide devices based on gradient-index lenses implemented by subwavelength silicon grating metamaterials
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A tunable high-Q Fano resonance meta-atom in all-dielectric metasurfaces enables spectrometer-less molecular fingerprint detection with higher precision via Q factors of ~2000.
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Subwavelength grating waveguide filter based on cladding modulation with phase-change material grating
A subwavelength grating silicon waveguide with evanescently coupled GST grating segments achieves 28.8 dB extinction ratio switching and over 4 nm blueshift via partial GST crystallization, as shown in 3D FDTD simulations.
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High-Q Fano resonance in all-dielectric metasurfaces for molecular fingerprint detection
A tunable high-Q Fano resonance meta-atom in all-dielectric metasurfaces enables spectrometer-less molecular fingerprint detection with higher precision via Q factors of ~2000.