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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 16 — Aug. 7, 2006
  • pp: 7063–7072

Surface plasmon interferometer in silicon-on-insulator: novel concept for an integrated biosensor

Peter Debackere, Stijn Scheerlinck, Peter Bienstman, and Roel Baets  »View Author Affiliations


Optics Express, Vol. 14, Issue 16, pp. 7063-7072 (2006)
http://dx.doi.org/10.1364/OE.14.007063


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Abstract

We propose a novel configuration for a highly integrated and highly sensitive optical biosensor. The basic element of the sensor is a surface plasmon interferometer consisting of a thin layer of gold embedded in a silicon membrane. We investigate the performance of the sensor by simulation using eigenmode expansion. We calculate that refractive index changes in the order of 10-6 RIU should be easily detectable for a component of length 10 μm. Moreover, we illustrate that the operation wavelength of the sensor can be easily tuned to a desired wavelength for a wide range of environmental refractive indices, making our device suitable for chemo- and biosensing.

© 2006 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(130.6010) Integrated optics : Sensors
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Integrated Optics

History
Original Manuscript: May 18, 2006
Revised Manuscript: July 17, 2006
Manuscript Accepted: July 19, 2006
Published: August 7, 2006

Virtual Issues
Vol. 1, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Peter Debackere, Stijn Scheerlinck, Peter Bienstman, and Roel Baets, "Surface plasmon interferometer in silicon-on-insulator: novel concept for an integrated biosensor," Opt. Express 14, 7063-7072 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-16-7063


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References

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