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Thermal tunability and sensitivity of b andgap photonic crystal fiber of terahertz wave

WU PENG1, REN GUANG-JUN1,* , YAO JIAN-QUAN2

Affiliation

  1. School of Electronics Information Engineering; Tianjin Key Lab. Of Film Electronic & Communication Devices; Engineering Resear ch Center of Communication Devices and Technology, Ministry of Education;
  2. College of Precision Instrument and Opto electronics Engineering, Institute of Laser and Opto electronics; Key Laboratory of Optoelectric In formation Science and Technology, Ministry of Education, Ti

Abstract

The production of filter combined terahertz with photonic crystal fiber is rare. Fill the nematic liquid crystal in the photonic crystal fiber air hole, photonic crystal optical fiber transmission mechanism was tuned by changing the nature of the liquid crystal. Liquid crystal refractive index change with temperature, so that the defect mode frequency will move. Based on this mechanism, threshold switching or filter can be designed. For the terahertz sensing characteristics in this article, mode field area and sensitivity become small as the wavelength increases..

Keywords

Liquid Crystal, Temperature, Terahertz wave, Photonic crystal fiber.

Citation

WU PENG, REN GUANG-JUN, YAO JIAN-QUAN, Thermal tunability and sensitivity of b andgap photonic crystal fiber of terahertz wave, Optoelectronics and Advanced Materials - Rapid Communications, 8, 7-8, July-August 2014, pp.775-778 (2014).

Submitted at: March 6, 2014

Accepted at: July 10, 2014