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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 5 — Mar. 5, 2007
  • pp: 2139–2144

Improved sensing performance of D-fiber/planar waveguide couplers

Richard Gibson, Josh Kvavle, Richard Selfridge, and Stephen Schultz  »View Author Affiliations

Optics Express, Vol. 15, Issue 5, pp. 2139-2144 (2007)

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Wavelength selective coupling is demonstrated between the core of a D-shaped optical fiber and a multimode planar waveguide. The fabrication process consists of wet chemical etching of the D-fiber and spin coating or molding to produce the planar waveguide. This fabrication process is shown to produce weak coupling and long interaction length, which exhibits transmission dips with narrow wavelength linewidths. A comb filter is demonstrated with peak separations of 12nm, transmission dips of -20dB, and linewidths of 0.25nm. High sensitivity is demonstrated by showing shift in the transmission dips of -3.16 nm/degree C.

© 2007 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: January 17, 2007
Revised Manuscript: February 23, 2007
Manuscript Accepted: February 25, 2007
Published: March 5, 2007

Richard Gibson, Josh Kvavle, Richard Selfridge, and Stephen Schultz, "Improved sensing performance of D-fiber/planar waveguide couplers," Opt. Express 15, 2139-2144 (2007)

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