Analysis of modal coupling due to birefringence and ellipticity in strongly guiding ring-core OAM fibers.
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DOI: 10.1364/oe.27.008308
Abstract: After briefly recalling the issue of OAM mode purity in strongly-guiding ring-core fibers, this paper provides a methodology to calculate the coupling strength between OAM mode groups due to fiber perturbations. The cases of stress… read more here.
Keywords: strongly guiding; guiding ring; birefringence; core ... See more keywords