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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 21 — Nov. 1, 2012
  • pp: 4356–4358

Compact grating couplers on silicon-on-insulator with reduced backreflection

Yanlu Li, Diedrik Vermeulen, Yannick De Koninck, Gunay Yurtsever, Günther Roelkens, and Roel Baets  »View Author Affiliations

Optics Letters, Vol. 37, Issue 21, pp. 4356-4358 (2012)

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The backreflection in commonly used grating couplers on silicon-on-insulator (SOI) is not negligible for many applications. This reflection is dramatically reduced in our improved compact grating coupler design, which directs the reflection away from the input waveguide. Realized devices on SOI show that the reflection can be reduced down to 50dB without an apparent transmission penalty.

© 2012 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(130.0130) Integrated optics : Integrated optics

ToC Category:
Diffraction and Gratings

Original Manuscript: August 6, 2012
Revised Manuscript: September 13, 2012
Manuscript Accepted: September 13, 2012
Published: October 16, 2012

Yanlu Li, Diedrik Vermeulen, Yannick De Koninck, Gunay Yurtsever, Günther Roelkens, and Roel Baets, "Compact grating couplers on silicon-on-insulator with reduced backreflection," Opt. Lett. 37, 4356-4358 (2012)

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