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Journal Article

Mode-based microparticle conveyor belt in air-filled hollow-core photonic crystal fiber

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Schmidt,  Oliver A.
International Max Planck Research School, Max Planck Institute for the Science of Light, Max Planck Society;
Russell Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Euser,  Tijmen G.
Russell Division, Max Planck Institute for the Science of Light, Max Planck Society;

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

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Citation

Schmidt, O. A., Euser, T. G., & Russell, P. S. J. (2013). Mode-based microparticle conveyor belt in air-filled hollow-core photonic crystal fiber. OPTICS EXPRESS, 21(24), 29383-29391. doi:10.1364/OE.21.029383.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-66D7-F
Abstract
We show how microparticles can be moved over long distances and precisely positioned in a low-loss air-filled hollow-core photonic crystal fiber using a coherent superposition of two co-propagating spatial modes, balanced by a backward-propagating fundamental mode. This creates a series of trapping positions spaced by half the beat-length between the forward-propagating modes (typically a fraction of a millimeter). The system allows a trapped microparticle to be moved along the fiber by continuously tuning the relative phase between the two forward-propagating modes. This mode-based optical conveyor belt combines long-range transport of microparticles with a positional accuracy of 1 mu m. The technique also has potential uses in waveguide-based optofluidic systems. (C)2013 Optical Society of America