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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 22 — Oct. 30, 2006
  • pp: 10759–10764

Focusing of electromagnetic waves by periodic arrays of air holes with gradually varying radii

Hung-Ta Chien and Chii-Chang Chen  »View Author Affiliations


Optics Express, Vol. 14, Issue 22, pp. 10759-10764 (2006)
http://dx.doi.org/10.1364/OE.14.010759


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Abstract

We study theoretically the focusing effects when a Gaussian beam passing through a graded photonic crystal consisting of air holes with gradually varying radii. The device is used to couple the light between the conventional and photonic crystal waveguides. The coupling efficient is about 4 times higher than that by the linear taper structure.

© 2006 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(220.2560) Optical design and fabrication : Propagating methods
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: August 28, 2006
Revised Manuscript: October 17, 2006
Manuscript Accepted: October 18, 2006
Published: October 30, 2006

Citation
Hung-Ta Chien and Chii-Chang Chen, "Focusing of electromagnetic waves by periodic arrays of air holes with gradually varying radii," Opt. Express 14, 10759-10764 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-22-10759


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References

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  12. E. Pshenay-Severin, C. C. Chen, T. Pertsch, M. Augustin, A. Chipouline, A. Tünnermann, "Photonic Crystal Lens for Photonic Crystal Waveguide Coupling," Proceeding of CLEO2006,  CTHK3, 2006.
  13. E. H. Khoo, A. Q. Liu, J. H. Wu, J. Li, and D. Pinjala, "Modified step-theory for investigating mode coupling mechanism in photonic crystal waveguide taper," Opt. Express 14, 6035-6054 (2006). [CrossRef] [PubMed]
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