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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea


  • Vol. 11, Iss. 3 — Sep. 25, 2007
  • pp: 97–100

Single-mode Condition and Dispersion of Terahertz Photonic Crystal Fiber

Soan Kim, Chul-Sik Kee, and Jong-Min Lee  »View Author Affiliations

Journal of the Optical Society of Korea, Vol. 11, Issue 3, pp. 97-100 (2007)

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We have investigated properties of a plastic photonic crystal fiber guiding terahertz radiations, THz photonic crystal fiber. The single-mode condition and dispersion of a plastic triangular THz photonic crystal fiber are investigated by using the plane wave expansion method and the beam propagation method. The THz photonic crystal fiber can perform as a single-mode fiber below 2.5 THz when the ratio of diameter (d) and period (<TEX>${\Lambda}$</TEX>) of air holes is less than 0.475. The THz photonic crystal fiber with <TEX>${\Lambda}=500{\mu}m$</TEX> and <TEX>$d/{\Lambda}=0.4$</TEX> shows almost zero flattened dispersion behavior, <TEX>$-0.03{\pm}0.02 ps/THz{\cdot}cm$</TEX>, in the THz frequency range from 0.8 to 2.0 THz.

© 2007 Optical Society of Korea

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2340) Fiber optics and optical communications : Fiber optics components
(220.4000) Optical design and fabrication : Microstructure fabrication
(230.3990) Optical devices : Micro-optical devices

Original Manuscript: July 25, 2007
Revised Manuscript: September 14, 2007
Published: September 25, 2007

Soan Kim, Chul-Sik Kee, and Jong-Min Lee, "Single-mode Condition and Dispersion of Terahertz Photonic Crystal Fiber," J. Opt. Soc. Korea 11, 97-100 (2007)

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