Optics Letters · 2015 · 30 citations · 17 references
Natural SciencesMaterials SciencePhysicsOptical MaterialsOpticsPhotonicsFiber OpticsFiber PropertiesOptical FibersPhotonic CrystalsPhotonic MaterialsPolarization OpticsChiral OpticsCircular DichroismCollective ModesGuided Mode ResonanceOptical ActivityOrbital Angular Momentum Of LightPhotonic Crystal Fibers
We demonstrate experimentally and theoretically that the core-guided mode in helically twisted photonic crystal fiber exhibits resonantly enhanced optical activity and circular dichroism in the vicinity of anti-crossings with leaky orbital angular momentum (OAM) modes in the cladding. This arises because the anti-crossings for left and right circularly polarized core modes occur at slightly different wavelengths.
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Single-mode chirally-coupled-core fibers with larger than 50µm diameter cores
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Natural Sciences, Materials Engineering, Materials Science +17
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