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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 5 — Mar. 2, 2009
  • pp: 3754–3764

Frequency tunability of solid-core photonic crystal fibers filled with nanoparticle-doped liquid crystals

Lara Scolari, Sebastian Gauza, Haiqing Xianyu, Lei Zhai, Lars Eskildsen, Thomas Tanggaard Alkeskjold, Shin-Tson Wu, and Anders Bjarklev  »View Author Affiliations

Optics Express, Vol. 17, Issue 5, pp. 3754-3764 (2009)

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We infiltrate liquid crystals doped with BaTiO3 nanoparticles in a photonic crystal fiber and compare the measured transmission spectrum with the one achieved without dopant. New interesting features, such as frequency modulation response of the device and a transmission spectrum with tunable attenuation on the short wavelength side of the widest bandgap, suggest a potential application of this device as a tunable all-in-fiber gain equalization filter with an adjustable slope. The tunability of the device is achieved by varying the amplitude and the frequency of the applied external electric field. The threshold voltage for doped and undoped liquid crystals in a silica capillary and in a glass cell are also measured as a function of the frequency of the external electric field and the achieved results are compared.

© 2009 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(230.3720) Optical devices : Liquid-crystal devices
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Photonic Crystal Fibers

Original Manuscript: January 23, 2009
Revised Manuscript: February 21, 2009
Manuscript Accepted: February 23, 2009
Published: February 25, 2009

Lara Scolari, Sebastian Gauza, Haiqing Xianyu, Lei Zhai, Lars Eskildsen, Thomas T. Alkeskjold, Shin–Tson Wu, and Anders Bjarklev, "Frequency tunability of solid-core photonic crystal fibers filled with nanoparticle-doped liquid crystals," Opt. Express 17, 3754-3764 (2009)

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