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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 27, Iss. 11 — Jun. 1, 2009
  • pp: 1489–1495

Subwavelength Dielectric-Fiber-Based THz Coupler

Hung-Wen Chen, Chui-Min Chiu, Chih-Hsien Lai, Jeng-Liang Kuo, Po-Jui Chiang, Yuh-Jing Hwang, Hung-Chun Chang, and Chi-Kuang Sun

Journal of Lightwave Technology, Vol. 27, Issue 11, pp. 1489-1495 (2009)


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Abstract

We demonstrate a terahertz (THz) directional coupler for future THz applications including THz power dividers, THz communications, and THz fiber-endoscopes. By using subwavelength polyethylene fibers, we successfully established a single-mode fiber-based THz directional coupler. Unlike traditional directional couplers, the demonstrated subwavelength directional fiber coupler shows less dependency on the overlapped length of two fibers and the delivered THz frequency in our interested minimal-attenuation wavelength regime. By tuning the geometry, we also show the feasibility to control the coupling ratio.

© 2009 IEEE

Citation
Hung-Wen Chen, Chui-Min Chiu, Chih-Hsien Lai, Jeng-Liang Kuo, Po-Jui Chiang, Yuh-Jing Hwang, Hung-Chun Chang, and Chi-Kuang Sun, "Subwavelength Dielectric-Fiber-Based THz Coupler," J. Lightwave Technol. 27, 1489-1495 (2009)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-27-11-1489

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