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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 10 — May. 11, 2009
  • pp: 8343–8348

The influence of material absorption on the quality factor of photonic crystal cavities

Tao Xu, Mark S. Wheeler, Harry E. Ruda, Mohammad Mojahedi, and J. Stewart Aitchison  »View Author Affiliations


Optics Express, Vol. 17, Issue 10, pp. 8343-8348 (2009)
http://dx.doi.org/10.1364/OE.17.008343


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Abstract

Accounting for material absorption is very important for developing high quality factor (Q) photonic crystal cavities. However, to our knowledge, there have been very few systematic experimental investigations of its role in such cavities. In this paper, we present detailed experiments to reveal the relationship between Q, material absorption coefficient and field pattern. Modes with different field patterns and materials with different absorption coefficients were tested. We have developed a simple formula to describe the relationship, which can be used to replace time-consuming numerical calculations. The experimental and numerical data agree well with this formula.

© 2009 Optical Society of America

OCIS Codes
(350.4010) Other areas of optics : Microwaves
(350.4238) Other areas of optics : Nanophotonics and photonic crystals

ToC Category:
Photonic Crystals

History
Original Manuscript: January 9, 2009
Revised Manuscript: March 12, 2009
Manuscript Accepted: March 12, 2009
Published: May 1, 2009

Citation
Tao Xu, Mark S. Wheeler, Harry E. Ruda, Mohammad Mojahedi, and J. Stewart Aitchison, "The influence of material absorption on the quality factor of photonic crystal cavities," Opt. Express 17, 8343-8348 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-10-8343


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References

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