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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 27, Iss. 21 — Nov. 1, 2009
  • pp: 4754–4762

Modal Properties of an Index Guiding Nematic Liquid Crystal Based Photonic Crystal Fiber

Mohamed Farhat O. Hameed, Salah S. A. Obayya, Khalid Al-Begain, Moheb I. Abo el Maaty, and Abed M. Nasr

Journal of Lightwave Technology, Vol. 27, Issue 21, pp. 4754-4762 (2009)


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Abstract

This paper presents the results of the modal analysis of an index guiding soft glass photonic crystal fiber infiltrated with a nematic liquid crystal (NLC-PCF). The modal analysis is carried out using the full vectorial finite difference method which is capable of dealing accurately with anisotropic waveguide problems. The analyzed parameters are the effective index, birefringence, dispersion, effective mode area, and confinement losses for the two fundamental polarized modes. The effects of the structure geometrical parameters, rotation angle of the director of the NLC and temperature on the modal properties are investigated. The numerical results reveal that the proposed design offers high birefringence of 0.012 at the operating wavelength 1.55 $\mu $m with low losses for the two polarized modes. In addition, the structure is tailored to obtain a flat dispersion over a wide range of wavelengths with high birefringence.

© 2009 IEEE

Citation
Mohamed Farhat O. Hameed, Salah S. A. Obayya, Khalid Al-Begain, Moheb I. Abo el Maaty, and Abed M. Nasr, "Modal Properties of an Index Guiding Nematic Liquid Crystal Based Photonic Crystal Fiber," J. Lightwave Technol. 27, 4754-4762 (2009)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-27-21-4754


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