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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry Van Driel
  • Vol. 26, Iss. 9 — Sep. 1, 2009
  • pp: A95–A100

Transmission characteristics of lens-duct and photonic crystal waveguides in the terahertz region

Carlito S. Ponseca, Jr., Elmer Estacio, Romeric Pobre, Gilbert Diwa, Glenda de los Reyes, Shingo Ono, Hidetoshi Murakami, Nobuhiko Sarukura, Ko Aosaki, Yoshihiko Sakane, Hideki Sato, Alexander Argyros, and Maryanne C. J. Large  »View Author Affiliations


JOSA B, Vol. 26, Issue 9, pp. A95-A100 (2009)
http://dx.doi.org/10.1364/JOSAB.26.000A95


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Abstract

Transmission characteristics of lens-duct, Cytop planar photonic crystal waveguide (PPCW) and hollow-core microstructured optical fiber were analyzed in the terahertz (THz) region. The lens duct was able to channel and couple the THz radiation into a Teflon waveguide with a loss of about 0.7 dB . Single-mode propagation and frequency-selective properties were achieved using PPCW whose central frequency is at 0.45 THz . Results of time-domain spectra of the hollow-core microstructured polymer optical fiber showed a difference of about 20 ps between the THz waves that propagated in the core and cladding. Frequency shift of the transmission bands between waveguides of different size suggested photonic bandgap guidance. Finite-difference time domain calculations agreed relatively well to the experimental results of PPCW and hollow-core fibers.

© 2009 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers

History
Original Manuscript: February 4, 2009
Revised Manuscript: April 6, 2009
Manuscript Accepted: June 2, 2009
Published: July 13, 2009

Citation
Carlito S. Ponseca, Jr., Elmer Estacio, Romeric Pobre, Gilbert Diwa, Glenda de los Reyes, Shingo Ono, Hidetoshi Murakami, Nobuhiko Sarukura, Ko Aosaki, Yoshihiko Sakane, Hideki Sato, Alexander Argyros, and Maryanne C. J. Large, "Transmission characteristics of lens-duct and photonic crystal waveguides in the terahertz region," J. Opt. Soc. Am. B 26, A95-A100 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-9-A95


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