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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 17 — Sep. 1, 2010
  • pp: 2879–2881

Broadband terahertz fiber directional coupler

Kristian Nielsen, Henrik K. Rasmussen, Peter Uhd Jepsen, and Ole Bang  »View Author Affiliations


Optics Letters, Vol. 35, Issue 17, pp. 2879-2881 (2010)
http://dx.doi.org/10.1364/OL.35.002879


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Abstract

We present the design of a short broadband fiber directional coupler for terahertz (THz) radiation and demonstrate a 3 dB coupler with a bandwidth of 0.6 THz centered at 1.4 THz . The broadband coupling is achieved by mechanically downdoping the cores of a dual-core photonic crystal fiber by microstructuring the cores. This is equivalent to chemical downdoping but is easier to realize experimentally.

© 2010 Optical Society of America

OCIS Codes
(260.3090) Physical optics : Infrared, far
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Physical Optics

History
Original Manuscript: June 17, 2010
Manuscript Accepted: July 12, 2010
Published: August 20, 2010

Citation
Kristian Nielsen, Henrik K. Rasmussen, Peter Uhd Jepsen, and Ole Bang, "Broadband terahertz fiber directional coupler," Opt. Lett. 35, 2879-2881 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-17-2879

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