Diffractive waveguide grating coupler

SEM images, zoom-in view and top view of the PVGC array.
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Measured results on the normalized generalized mutual information against the optical signal-to-noise ratio for different modulation formats and the associated constellation diagrams.  
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Mobirise

Ultrafast BIC‐waveguide‐integrated graphene modulator.
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schematic of experimental setup with the two-chip method.
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Electro-optic modulation and mode (de)multiplexing were realized in the same lithium niobate chip.

The high-order bound states in the continuum were investigated in the photonic integrated circuits.
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