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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Jospeh N. Mait
  • Vol. 48, Iss. 3 — Jan. 20, 2009
  • pp: 497–503

Continuously tunable all-in-fiber devices based on thermal and electrical control of negative dielectric anisotropy liquid crystal photonic bandgap fibers

Lei Wei, Lars Eskildsen, Johannes Weirich, Lara Scolari, Thomas Tanggaard Alkeskjold, and Anders Bjarklev  »View Author Affiliations


Applied Optics, Vol. 48, Issue 3, pp. 497-503 (2009)
http://dx.doi.org/10.1364/AO.48.000497


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Abstract

We infiltrate photonic crystal fibers with a negative dielectric anisotropy liquid crystal. A 396 nm bandgap shift is obtained in the temperature range of 22 80 ° C , and a 67 nm shift of long-wavelength bandgap edge is achieved by applying a voltage of 200 Vrms . The polarization sensitivity and corresponding activation loss are measured using polarized light and a full broadband polarization control setup. The electrically induced phase shift on the Poincaré sphere and corresponding birefringence change are also measured. According to the results, tunable wave plates working in the wavelength range of 1520 1580 nm and a potential for realizing a polarimeter working at the 1310 nm region are experimentally demonstrated.

© 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:
Fiber Optics and Optical Communications

History
Original Manuscript: October 1, 2008
Manuscript Accepted: November 19, 2008
Published: January 13, 2009

Citation
Lei Wei, Lars Eskildsen, Johannes Weirich, Lara Scolari, Thomas Tanggaard Alkeskjold, and Anders Bjarklev, "Continuously tunable all-in-fiber devices based on thermal and electrical control of negative dielectric anisotropy liquid crystal photonic bandgap fibers," Appl. Opt. 48, 497-503 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-3-497

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