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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 9 — Apr. 27, 2009
  • pp: 6939–6945

Enhanced light coupling in sub-wavelength single-mode silicon on insulator waveguides

C. Pang, F. Gesuele, A. Bruyant, S. Blaize, G. Lerondel, and P. Royer  »View Author Affiliations


Optics Express, Vol. 17, Issue 9, pp. 6939-6945 (2009)
http://dx.doi.org/10.1364/OE.17.006939


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Abstract

We report on NIR efficient end-coupling in single-mode silicon on insulator waveguides. Efficient coupling has been achieved using Polymer-Tipped Optical Fibers (PTOF) of adaptable radius of curvature (ROC). When compared with commercial micro lenses, systematic studies as a function of PTOF ROC, lead for subwavelength PTOF to a coupling factor enhancement as high as 2.5. This experimental behavior is clearly corroborated by radial FDTD simulations and an absolute coupling efficiency of about 50% is also estimated.

© 2009 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(230.0230) Optical devices : Optical devices

ToC Category:
Integrated Optics

History
Original Manuscript: February 4, 2009
Revised Manuscript: March 24, 2009
Manuscript Accepted: March 27, 2009
Published: April 13, 2009

Citation
C. Pang, F. Gesuele, A. Bruyant, S. Blaize, G. Lérondel, and P. Royer, "Enhanced light coupling in sub-wavelength single-mode silicon on insulator waveguides," Opt. Express 17, 6939-6945 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-9-6939


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References

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