Abstract: A four-channel mode division multiplexing (MDM) transmitter is demonstrated with $4 \times 80$ Gbps signaling, assisted with a low-loss two-dimensional grating coupler over $1.85 ~\text{mm}^ ...
Abstract: Polarization diversity grating couplers (PDGCs) are fundamental components in photonic integrated circuits for polarization manipulation or multiplexing. However, the polarization dependent ...
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