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|Title:||Low loss, low dispersion and highly birefringent terahertz porous fibers|
Afshar Vahid, S.
|Citation:||Optics Communications, 2009; 282(1):36-38|
|Publisher:||Elsevier Science BV|
|Shaghik Atakaramians, Shahraam Afshar V., Bernd M. Fischer, Derek Abbot and Tanya M. Monro|
|Abstract:||We demonstrate that porous fibers in addition to low loss and high confinement, have near zero dispersion for 0.5–1 THz resulting in reduced terahertz signal degradation compared to microwires. We also show for the first time that these new fibers can be designed, introducing asymmetrical sub-wavelength airholes within the core, to achieve high birefringence ≈0.026. This opens up the potential for realization of novel polarization preserving fibers in the terahertz regime.|
|Keywords:||T-rays; Terahertz; Porous fibers; Asymmetrical shaped air-holes; Group velocity; Birefringence|
|Appears in Collections:||Centre of Expertise in Photonics publications|
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