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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 23 — Nov. 9, 2009
  • pp: 20694–20699

Higher-order-mode assisted silicon-on-insulator 90 degree polarization rotator

Yang Yue, Lin Zhang, Muping Song, Raymond G. Beausoleil, and Alan E. Willner  »View Author Affiliations

Optics Express, Vol. 17, Issue 23, pp. 20694-20699 (2009)

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We propose and analyze a 90° polarization rotator based on wave coupling through an intermediate, multimode, axially uniform waveguide. The coupling efficiency of the x- and y-polarized fundamental modes between the horizontal and vertical rectangular waveguides is remarkably enhanced with the help of the TE01 mode in the multimode waveguide. The polarization rotator has a very short (21-μm) conversion length with a 17.22 dB extinction ratio. It also exhibits a 68-nm bandwidth for polarization conversion efficiency above 90%.

© 2009 OSA

OCIS Codes
(130.2790) Integrated optics : Guided waves
(130.3120) Integrated optics : Integrated optics devices
(230.3990) Optical devices : Micro-optical devices
(230.7370) Optical devices : Waveguides
(130.5440) Integrated optics : Polarization-selective devices

ToC Category:
Integrated Optics

Original Manuscript: September 21, 2009
Revised Manuscript: October 23, 2009
Manuscript Accepted: October 24, 2009
Published: October 27, 2009

Yang Yue, Lin Zhang, Muping Song, Raymond G. Beausoleil, and Alan E. Willner, "Higher-order-mode assisted silicon-on-insulator 90 degree polarization rotator," Opt. Express 17, 20694-20699 (2009)

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