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Article Abstract
This paper proposes a hybrid-order orbital angular momentum Poincaré sphere to refine the representation of high-order spatial modes. The orbital angular momentum Poincaré sphere is extended to a more general form. Benefiting from the degenerate case of the hybrid-order Poincaré sphere, this new Poincaré sphere is both complete and intuitive, enabling the guided generation of vector light fields. By utilizing an all-fiber structured light field generation system based on cascaded fused-biconical tapered mode selective couplers, some typical beams corresponding to arbitrary points on the hybrid-order orbital angular momentum Poincaré sphere are generated. This miniaturized solution for structured light field generation is both cheap and fast compared to liquid crystal devices.
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| http://dx.doi.org/10.1364/OE.558681 | DOI Listing |
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