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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 11, Iss. 20 — Oct. 6, 2003
  • pp: 2589–2596

Optical devices based on liquid crystal photonic bandgap fibres

Thomas Tanggaard Larsen, Anders Bjarklev, David Sparre Hermann, and Jes Broeng  »View Author Affiliations


Optics Express, Vol. 11, Issue 20, pp. 2589-2596 (2003)
http://dx.doi.org/10.1364/OE.11.002589


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Abstract

Photonic Crystal Fibers (PCFs) have appeared as a new class of optical waveguides, which have attracted large scientific and commercial interest during the last years. PCFs are microstructured waveguides, usually in silica, with a large number of air holes located in the cladding region of the fiber. The size and location of these air holes opens up for a large degree of design freedom within optical waveguide design. Further, the existence of air holes in the PCF gives access close to the fiber core and by introducing new materials into the air holes, a high interaction between light and hole material can be obtained, while maintaining the microstructure of the waveguide. In this paper, we describe what we call Liquid Crystal Photonic Bandgap Fibers, which are PCFs infiltrated with Liquid Crystals (LCs) in order to obtain increased fiber functionality. We describe a thermo-optic fiber switch with an extinction ratio of 60dB and tunable PBGs using thermo-optic tuning of the LC. These devices operate by the PBG effect and are therefore highly sensitive to the refractive index distributions in the holes.

© 2003 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(230.3990) Optical devices : Micro-optical devices

ToC Category:
Research Papers

History
Original Manuscript: August 7, 2003
Revised Manuscript: September 29, 2003
Published: October 6, 2003

Citation
Thomas Larsen, Anders Bjarklev, David Hermann, and Jes Broeng, "Optical devices based on liquid crystal photonic bandgap fibres," Opt. Express 11, 2589-2596 (2003)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-11-20-2589


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