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Orbit Angular Momentum Multiplexing in 0.1-THz Free-Space Communication via 3D Printed Spiral Phase Plates

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We present a proof of concept demonstration of THz free-space communication employing orbital angular momentum (OAM) multiplexing. Two different OAM modes are multiplexed and de-multiplexed in experiment via 3D printed spiral phase plates.

© 2014 Optical Society of America

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