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Journal Article

Enhanced optical activity and circular dichroism in twisted photonic crystal fiber

MPS-Authors
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Wong,  G. K. L.
Russell Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Xi,  X. M.
Russell Division, Max Planck Institute for the Science of Light, Max Planck Society;
International Max Planck Research School, Max Planck Institute for the Science of Light, Max Planck Society;

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Frosz,  M. H.
Russell Division, Max Planck Institute for the Science of Light, Max Planck Society;
Fibre Fabrication and Glass Studio, Technology Development and Service Units, Max Planck Institute for the Science of Light, Max Planck Society;

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Russell,  P. St. J.
Russell Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Wong, G. K. L., Xi, X. M., Frosz, M. H., & Russell, P. S. J. (2015). Enhanced optical activity and circular dichroism in twisted photonic crystal fiber. OPTICS LETTERS, 40(20), 4639-4642. doi:10.1364/OL.40.004639.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-635C-E
Abstract
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. (C) 2015 Optical Society of America