Method for increasing coupling efficiency between helical-core and standard single-mode fibers.
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DOI: 10.1364/oe.413358
Abstract: Helical core fibers (HCFs) suffer from low coupling efficiency and unavoidable excitation of higher order modes below the cutoff wavelength because of a core tilt with respect to the symmetry axis of the cladding. We… read more here.
Keywords: helical core; hcf; coupling efficiency; increasing coupling ... See more keywords