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

1. C. Otani, T. Taino, R. Nakano, K. Hoshino, T. Shibuya, H. Myoren, S. Ariyoshi, H. Sato, H. M. Shimizu, S. Takada, and K. Kawase, "A Broad-Band THz Radiation Detector Using a Nb-Based Superconducting Tunnel Junction," IEEE Trans. Appl. Supercond, vol. 15, pp. 591-594, 2005 [CrossRef]
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5. S. Coleman and D. Grischkowsky, "A THz transverse electromagnetic mode two-dimensional interconnect layer incorporating quasi-optics," Appl. Phys. Lett., vol. 83, pp. 3656-3658, 2003 [CrossRef]
6. J. C. Knight and P. St. J. Russell, "Photonic crystal fibers: New ways to guide light," Science, vol. 296, pp. 276-277, 2002 [CrossRef]
7. W.H. Reeves, J. C. Knight, P. St. J. Russell, and P. J. Roberts, "Demonstration of ultra-flattened dispersion in photonic crystal fibers," Opt. Exp., vol. 10, pp. 609-613, 2002
8. M. Szpulak, J. Olszewski, T. Martynkien, W. Urbanczyk, and J. Wojcik, "Polarizing photonic crystal fibers with wide operation range," Opt. Commun., vol. 239, pp. 91-97, 2004
9. A. Ferrando, M. Zacares, P. Fernandez de Cordoba, D. Binosi, and J. Monsoriu, "Spatial soliton formation in photonic crystal fibers," Opt. Exp., vol. 11, pp. 452-459, 2003
10. H. Han, H. Park, M. Cho, and J. Kim, "Terahertz pulse propagation in a plastic photonic crystal fiber," Appl. Phys. Lett., vol. 80, pp. 2634-2636, 2002 [CrossRef]
11. M. Goto, A. Quema, H. Takahashi, S. Ono, and N. Sarukura, "Teflon Photonic Crystal Fiber as Terahertz Waveguide," Jpn. J. Appl. Phys., vol. 43, pp. L317-L319, 2004 [CrossRef]
12. S. Guo and S. Albin, "Simple plane wave implementation for photonic crystal calculations," Opt. Exp., vol. 11. pp. 167-175, 2003
13. N. A. Mortensen, J. R. Folkenberg, M. D. Nielsen, and K. P. Hansen, "Modal cutoff and the V parameter in photonic crystal fibers," Opt. Lett., vol. 28, pp. 1879-1881, 2003 [CrossRef]

Appl. Phys. Lett.

• S. Coleman and D. Grischkowsky, "A THz transverse electromagnetic mode two-dimensional interconnect layer incorporating quasi-optics," Appl. Phys. Lett., vol. 83, pp. 3656-3658, 2003 [CrossRef]

Applied Physics Lettersv

• H. Han, H. Park, M. Cho, and J. Kim, "Terahertz pulse propagation in a plastic photonic crystal fiber," Appl. Phys. Lett., vol. 80, pp. 2634-2636, 2002 [CrossRef]

Applied Superconductivity, IEEE Transactions on

• C. Otani, T. Taino, R. Nakano, K. Hoshino, T. Shibuya, H. Myoren, S. Ariyoshi, H. Sato, H. M. Shimizu, S. Takada, and K. Kawase, "A Broad-Band THz Radiation Detector Using a Nb-Based Superconducting Tunnel Junction," IEEE Trans. Appl. Supercond, vol. 15, pp. 591-594, 2005 [CrossRef]

Japanese Journal of Applied Physics

• M. Goto, A. Quema, H. Takahashi, S. Ono, and N. Sarukura, "Teflon Photonic Crystal Fiber as Terahertz Waveguide," Jpn. J. Appl. Phys., vol. 43, pp. L317-L319, 2004 [CrossRef]

Journal of Applied Physicsv

• R. Mendis and D. Grischkowsky, "Plastic ribbon THz waveguides," J. Appl. Phys., vol. 88, pp. 4449-4451, 2000 [CrossRef]

Journal of Physics D: Applied Physicsv

• K. Kawase, J. Shikata, and H. Ito, "Terahertz wave parametric source," J. Phys. D: Appl. Phys., vol. 35, pp. R1-R14, 2002 [CrossRef]

Journal of the Optical Society of America B: Optical Physics

• G. Gallot, S. P. Jamison, R. W. McGowan, and D. Grischkowsky, "Terahertz waveguides," J. Opt. Soc. Am. B., vol. 17, pp. 851-863, (2000) [CrossRef]

Opt. Commun.

• M. Szpulak, J. Olszewski, T. Martynkien, W. Urbanczyk, and J. Wojcik, "Polarizing photonic crystal fibers with wide operation range," Opt. Commun., vol. 239, pp. 91-97, 2004

Opt. Exp.

• A. Ferrando, M. Zacares, P. Fernandez de Cordoba, D. Binosi, and J. Monsoriu, "Spatial soliton formation in photonic crystal fibers," Opt. Exp., vol. 11, pp. 452-459, 2003
• W.H. Reeves, J. C. Knight, P. St. J. Russell, and P. J. Roberts, "Demonstration of ultra-flattened dispersion in photonic crystal fibers," Opt. Exp., vol. 10, pp. 609-613, 2002
• S. Guo and S. Albin, "Simple plane wave implementation for photonic crystal calculations," Opt. Exp., vol. 11. pp. 167-175, 2003

Optics Lettersv

• N. A. Mortensen, J. R. Folkenberg, M. D. Nielsen, and K. P. Hansen, "Modal cutoff and the V parameter in photonic crystal fibers," Opt. Lett., vol. 28, pp. 1879-1881, 2003 [CrossRef]

Science

• J. C. Knight and P. St. J. Russell, "Photonic crystal fibers: New ways to guide light," Science, vol. 296, pp. 276-277, 2002 [CrossRef]

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