Modal Performance of Spiral Phase Plate VCSELs


A detailed parametric investigation of the modal performance of single-mode, single-polarization vertical-cavity surface-emitting lasers (VCSELs) loaded with a microspiral part plate is reported. This paper stems from a recent publication, where the structure is technologically implemented and tested. Starting from the actual structure parameters, we have a tendency to investigate by VCSEL ELectroMagnetic (VELM), our in-house fully three-D and vectorial solver, the features of such a novel approach to provide orbital angular momentum modes, in read of next-generation high-capability optical communications.

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