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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 20 — Sep. 28, 2009
  • pp: 17338–17343

Efficient coupling into slow light photonic crystal waveguide without transition region: role of evanescent modes

C. Martijn de Sterke, K. B. Dossou, T. P. White, L. C. Botten, and R. C. McPhedran  »View Author Affiliations


Optics Express, Vol. 17, Issue 20, pp. 17338-17343 (2009)
http://dx.doi.org/10.1364/OE.17.017338


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Abstract

We show that efficient coupling between fast and slow photonic crystal waveguide modes is possible, provided that there exist strong evanescent modes to match the waveguide fields across the interface. Evanescent modes are required when the propagating modes have substantially different modal fields, which occurs, for example, when coupling an index-guided mode and a gap-guided mode.

© 2009 OSA

OCIS Codes
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(130.5296) Integrated optics : Photonic crystal waveguides

ToC Category:
Slow and Fast Light

History
Original Manuscript: July 13, 2009
Revised Manuscript: September 7, 2009
Manuscript Accepted: September 7, 2009
Published: September 14, 2009

Citation
C. Martijn de Sterke, K. B. Dossou, T. P. White, L. C. Botten, and R. C. McPhedran, "Efficient coupling into slow light photonic crystal waveguide without transition region: role of evanescent modes," Opt. Express 17, 17338-17343 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-20-17338


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References

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