Integrating liquid crystal based optical devices in photonic crystal fibers

@article{Alkeskjold2007IntegratingLC,
  title={Integrating liquid crystal based optical devices in photonic crystal fibers},
  author={Thomas Tanggaard Alkeskjold and Lara Scolari and Danny Noordegraaf and Jesper L{\ae}gsgaard and Johannes Weirich and Lei Wei and Giovanni Tartarini and Paolo Bassi and Sebastian Gauza and Shin‐Tson Wu and Anders Overgaard Bjarklev},
  journal={Optical and Quantum Electronics},
  year={2007},
  volume={39},
  pages={1009-1019}
}
Liquid crystal photonic bandgap fibers form a versatile and robust platform for designing optical fiber devices, which are highly tunable and exhibit novel optical properties for manipulation of guided light. We present fiber devices for spectral filtering and polarization control/analysis. 
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Infiltration liquid crystal in microstructured polymer optical fibers
  • W. Yuan, L. Wei, O. Bang
  • Materials Science, Physics
    CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference
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Microstructured polymer optical fibres (mPOFs) have attracted significant interests, mainly because fabrication techniques have allowed novel structures to be made at low temperature with polymers,
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Tunable bandgap guidance is obtained by filling the holes of a solid core photonic crystal fiber with a nematic liquid crystal and applying an electric field. The response times are measured and
Electrically tunable liquid-crystal photonic crystal fiber
Tunable light switch using a photonic crystal fiber filled with nematic liquid crystal is demonstrated. The original band-gap-guiding fiber structure was transformed to a total internal
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We demonstrate a highly tunable photonic bandgap fiber, which has a core diameter of 25 mm, and a bandgap tuning sensitivity of 27 nm/degC at room temperature. The insertion loss is estimated to be
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A liquid crystal photonic bandgap fiber based polarizer integrated in a double silicon v-groove assembly that can be electrically controlled as well as switched on and off.
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An all-optical modulator is demonstrated, which utilizes a pulsed 532nm laser to modulate the spectral position of the bandgaps in a photonic crystal fiber infiltrated with a dye-doped nematic liquid crystal.
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Photonic crystal fibers guide light by corralling it within a periodic array of microscopic air holes that run along the entire fiber length. Largely through their ability to overcome the limitations
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The characteristics of triangular photonic crystal fibers (PCFs) with elliptical holes filled with a nematic liquid crystal (LC) are investigated theoretically. The analysis that is carried out using
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The performance of a thermo-optic switch based on a photonic crystal fiber (PCF) infiltrated with a liquid crystal is investigated numerically for various fiber designs. Operation near a
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TLDR
An electrically controlled photonic bandgap fiber device obtained by infiltrating the air holes of a photonic crystal fiber with a dual-frequency liquid crystal with pre-tilted molecules that enables electrical control of the spectral position of the bandgaps towards both shorter and longer wavelengths in the same device.
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