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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 4 — Feb. 19, 2007
  • pp: 1567–1578

A polarization-diversity wavelength duplexer circuit in silicon-on-insulator photonic wires

Wim Bogaerts, Dirk Taillaert, Pieter Dumon, Dries Van Thourhout, Roel Baets, and Elroy Pluk  »View Author Affiliations

Optics Express, Vol. 15, Issue 4, pp. 1567-1578 (2007)

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We present a wavelength duplexer based on a compact arrayed waveguide grating (AWG) in silicon-on-insulator (SOI) photonic wire waveguides. Polarization insensitive operation is achieved through a special polarization diversity approach in which we use 2-D grating fiber couplers as integrated polarization splitters. To mitigate the effects of process variations, we propagated both polarizations in opposite directions through the same AWG with a mere 600×350μm2 footprint. This resulted in an on-chip insertion loss between −2.1dB and −6.9dB, crosstalk of −15dB, and only 0.66dB polarization dependent loss. This is the first demonstration of a functional polarization-diversity circuit implemented in SOI nanophotonic waveguides, including interfaces to single-mode fiber.

© 2007 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(130.1750) Integrated optics : Components
(130.3120) Integrated optics : Integrated optics devices

ToC Category:
Integrated Optics

Original Manuscript: January 8, 2007
Revised Manuscript: February 9, 2007
Manuscript Accepted: February 9, 2007
Published: February 19, 2007

Wim Bogaerts, Dirk Taillaert, Pieter Dumon, Dries Van Thourhout, Roel Baets, and Elroy Pluk, "A polarization-diversity wavelength duplexer circuit in silicon-on-insulator photonic wires," Opt. Express 15, 1567-1578 (2007)

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