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Vortex Mode Multiplexing with the Forked Grating Coupler

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Abstract

The Forked Grating Coupler (FGC) integrated optics device selectively interfaces between vortex modes and photonic waveguide. Efficient single-fed FGC designs simultaneously interface multiple vortex modes to rectangular waveguide modes with low crosstalk.

© 2017 Optical Society of America

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