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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 20 — Sep. 24, 2012
  • pp: 22660–22668

Sidelobes in the response of arrayed waveguide gratings caused by polarization rotation

Emil Kleijn, Peter J. Williams, Neil D. Whitbread, Michael J. Wale, Meint K. Smit, and Xaveer J.M. Leijtens  »View Author Affiliations

Optics Express, Vol. 20, Issue 20, pp. 22660-22668 (2012)

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Earlier it was observed that polarization rotation in an AWG built from birefringent waveguides can result in sidelobes in its response. This effect was measured in a polarization sensitive AWG with an orthogonal layout. Now we investigate through detailed simulation whether this effect also exists in polarization desensitised AWGs. It is shown that a dispersion compensated AWG does not suffer from a polarization sidelobe. Alternatively, the AWG can be designed to minimize polarization rotation to suppress the sidelobe.

© 2012 OSA

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(080.1238) Geometric optics : Array waveguide devices
(130.7408) Integrated optics : Wavelength filtering devices

ToC Category:
Integrated Optics

Original Manuscript: June 18, 2012
Revised Manuscript: September 6, 2012
Manuscript Accepted: September 10, 2012
Published: September 19, 2012

Emil Kleijn, Peter J. Williams, Neil D. Whitbread, Michael J. Wale, Meint K. Smit, and Xaveer J.M. Leijtens, "Sidelobes in the response of arrayed waveguide gratings caused by polarization rotation," Opt. Express 20, 22660-22668 (2012)

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