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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 4 — Feb. 18, 2008
  • pp: 2628–2635

Polarization rotator based on silicon wire waveguides

Hiroshi Fukuda, Koji Yamada, Tai Tsuchizawa, Toshifumi Watanabe, Hiroyuki Shinojima, and Sei-ichi Itabashi  »View Author Affiliations


Optics Express, Vol. 16, Issue 4, pp. 2628-2635 (2008)
http://dx.doi.org/10.1364/OE.16.002628


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Abstract

We describe a polarization rotator based on an off-axis double-core structure consisting of a silicon wire waveguide and a silicon-oxinitride waveguide. The rotator can be made by planar fabrication technology and do not require complex processes, such as three-dimensional structure formation. A rotator with 35-µm long provides the polarization rotation angle of 72 degrees and the polarization extinction ratio of 11 dB with the excess loss of about 1 dB. Our polarization rotator represents a significant step towards accomplishing an optical circuit with polarization diversity based on silicon wire waveguides.

© 2008 Optical Society of America

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(230.5440) Optical devices : Polarization-selective devices

ToC Category:
Optical Devices

History
Original Manuscript: January 10, 2008
Revised Manuscript: February 9, 2008
Manuscript Accepted: February 10, 2008
Published: February 12, 2008

Citation
Hiroshi Fukuda, Koji Yamada, Tai Tsuchizawa, Toshifumi Watanabe, Hiroyuki Shinojima, and Sei-ichi Itabashi, "Polarization rotator based on silicon wire waveguides," Opt. Express 16, 2628-2635 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-4-2628


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References

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