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We present a free-space coherent communication link employing orbital angular momentum (OAM) multiplexing using polarization diversified 2D–3D hybrid photonic integrated circuits (PICs). The PICs support multiplexing/demultiplexing of up to 15-OAM states with dual polarizations. We characterize the hybrid device, including phase errors and crosstalk performance. Then, we use two hybrid PICs for a...
We present a free-space coherent communication link employing orbital angular momentum (OAM) multiplexing using polarization diversified 2D–3D hybrid photonic integrated circuits (PICs). The PICs support multiplexing/demultiplexing of up to 15-OAM states with dual polarizations. We characterize the hybrid device, including phase errors and crosstalk performance. Then, we use two hybrid PICs for a...
We present dual-polarization QPSK link transmission performance below the FEC limit with simultaneous transmission of three OAM states carrying 14×10-GBd WDM channels using silica 2D–3D hybrid integrated devices for OAM state multiplexing/demultiplexing capacity of 1.68 Tb/s.
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