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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 18 — Sep. 3, 2007
  • pp: 11061–11072

Single mode, polarization-independent submicron silicon waveguides based on geometrical adjustments

Soon Thor Lim, Ching Eng Png, Eng Ann Ong, and Yong Long Ang  »View Author Affiliations

Optics Express, Vol. 15, Issue 18, pp. 11061-11072 (2007)

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In this work, we demonstrate via computer simulation the single mode and zero birefringence conditions for photonic wires with height and width less than 600 nm. We report on the simulation conditions for both single mode and zero birefringence in silicon-on-insulator photonic wires and sub-micron rib waveguides using a 3-dimensional imaginary beam propagation method. The results show that operation in both single mode and zero birefringence is possible under certain circumstances and that the conditions are restricted by fabrication processes where birefringence is strongly dependent upon waveguide dimensions. A matrix of waveguide parameters has been identified at both operating wavelengths of 1310 nm and 1550 nm, which can satisfy single mode and zero birefringence conditions simultaneously. This is to provide a general design rule for waveguides in small dimensions on the order of hundreds of nanometres.

© 2007 Optical Society of America

OCIS Codes
(250.5300) Optoelectronics : Photonic integrated circuits
(260.1440) Physical optics : Birefringence

ToC Category:

Original Manuscript: April 5, 2007
Revised Manuscript: July 6, 2007
Manuscript Accepted: July 6, 2007
Published: August 20, 2007

Soon T. Lim, Ching E. Png, Eng A. Ong, and Yong L. Ang, "Single mode, polarization-independent submicron silicon waveguides based on geometrical adjustments," Opt. Express 15, 11061-11072 (2007)

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  1. S. P. Chan, C. E. Png, S. T. Lim, G. T. Reed, and V. M. N. Passaro, "Single Mode and Polarisation Independent Silicon-on-Insulator Waveguides with Small Cross Section," IEEE J. Lightwave Tech. 23, 2103-2111 (2005). [CrossRef]
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  9. "Beamprop," Rsoft Design Group, Inc., Ossining. NY.
  10. E. Dulkeith, F. Xia, L. Schares, W. M. J. Green and Y. A. Vlasov, "Group index and group velocity dispersion in silicon-on-insulator photonic wires," Opt Express 14, 3853-3863 (2005). [CrossRef]
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