Sub-wavelength THz plastic fibers

Ja-Yu Lu; Hung-Wen Chen; Li-Jin Chen; Chi-Kuang Sun

doi:10.1117/12.705499

1 February 2007 Sub-wavelength THz plastic fibers

Ja-Yu Lu, Hung-Wen Chen, Li-Jin Chen, Chi-Kuang Sun

Proceedings Volume 6472, Terahertz and Gigahertz Electronics and Photonics VI; 647208 (2007) https://doi.org/10.1117/12.705499
Event: Integrated Optoelectronic Devices 2007, 2007, San Jose, California, United States

Abstract

In this report, we will review our recent development on the sub-wavelength plastic fiber for THz waveguiding. The proposed and demonstrated terahertz single-mode sub-wavelength waveguide is similar to an optical taper fiber, having a low attenuation constant (~10^-2 cm^-1), a high coupling efficiency, and a free-space direct coupling capability, comprised with a sub-wavelength PE fiber core with air cladding. The spectral characteristic of the sub-wavelength THz fiber will be discussed, with an effective attenuation minimum of THz waves on the order of or less than 10^-3 cm^-1 at a specific wavelength range which depends on the fiber diameter. More over, the application of the sub-wavelength plastic fiber will also be discussed, including a first demonstration of a singlemode fiber-based THz directional coupler.

Citation Download Citation

Ja-Yu Lu, Hung-Wen Chen, Li-Jin Chen, and Chi-Kuang Sun "Sub-wavelength THz plastic fibers", Proc. SPIE 6472, Terahertz and Gigahertz Electronics and Photonics VI, 647208 (1 February 2007); https://doi.org/10.1117/12.705499

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