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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 6 — Mar. 21, 2005
  • pp: 2135–2140

Modeling of silica nanowires for optical sensing

Jingyi Lou, Limin Tong, and Zhizhen Ye  »View Author Affiliations

Optics Express, Vol. 13, Issue 6, pp. 2135-2140 (2005)

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Based on evanescent-wave guiding properties of nanowire waveguides, we propose to use single-mode subwavelength-diameter silica nanowires for optical sensing. Phase shift of the guided mode caused by index change is obtained by solving Maxwell’s equation, and is used as a criterion for sensitivity estimation. Nanowire sensor employing a wire-assembled Mach-Zehnder structure is modeled. The result shows that optical nanowires, especially those fabricated by taper drawing of optical fibers, are promising for developing miniaturized optical sensors with high sensitivity.

© 2005 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(130.6010) Integrated optics : Sensors
(230.7370) Optical devices : Waveguides
(350.3950) Other areas of optics : Micro-optics

ToC Category:
Research Papers

Original Manuscript: January 19, 2005
Revised Manuscript: March 8, 2005
Published: March 21, 2005

Jingyi Lou, Limin Tong, and Zhizhen Ye, "Modeling of silica nanowires for optical sensing," Opt. Express 13, 2135-2140 (2005)

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