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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 3, Iss. 12 — Dec. 1, 2008

High-Q microfluidic cavities in silicon-based two-dimensional photonic crystal structures

Uwe Bog, Cameron L.C. Smith, Michael W. Lee, Snjezana Tomljenovic-Hanic, Christian Grillet, Christelle Monat, Liam O’Faolain, Christian Karnutsch, Thomas F. Krauss, Ross C. McPhedran, and Benjamin J. Eggleton  »View Author Affiliations


Optics Letters, Vol. 33, Issue 19, pp. 2206-2208 (2008)
http://dx.doi.org/10.1364/OL.33.002206


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Abstract

We demonstrate postprocessed microfluidic double-heterostructure cavities in silicon-based photonic crystal slab waveguides. The cavity structure is realized by selective fluid infiltration of air holes using a glass microtip, resulting in a local change of the average refractive index of the photonic crystal. The microcavities are probed by evanescent coupling from a silica nanowire. An intrinsic quality factor of 57,000 has been derived from our measurements, representing what we believe to be the largest value observed in microfluidic photonic crystal cavities to date.

© 2008 Optical Society of America

OCIS Codes
(130.6010) Integrated optics : Sensors
(230.5750) Optical devices : Resonators
(260.5740) Physical optics : Resonance
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(130.5296) Integrated optics : Photonic crystal waveguides
(230.5298) Optical devices : Photonic crystals

ToC Category:
Integrated Optics

History
Original Manuscript: June 10, 2008
Revised Manuscript: August 18, 2008
Manuscript Accepted: August 22, 2008
Published: September 26, 2008

Virtual Issues
Vol. 3, Iss. 12 Virtual Journal for Biomedical Optics

Citation
Uwe Bog, Cameron L. C. Smith, Michael W. Lee, Snjezana Tomljenovic-Hanic, Christian Grillet, Christelle Monat, Liam O'Faolain, Christian Karnutsch, Thomas F. Krauss, Ross C. McPhedran, and Benjamin J. Eggleton, "High-Q microfluidic cavities in silicon-based two-dimensional photonic crystal structures," Opt. Lett. 33, 2206-2208 (2008)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-33-19-2206

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