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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 23 — Dec. 1, 2004
  • pp: 2749–2751

Compact efficient broadband grating coupler for silicon-on-insulator waveguides

Dirk Taillaert, Peter Bienstman, and Roel Baets  »View Author Affiliations


Optics Letters, Vol. 29, Issue 23, pp. 2749-2751 (2004)
http://dx.doi.org/10.1364/OL.29.002749


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Abstract

We have designed a high-efficiency broadband grating coupler for coupling between silicon-on-insulator (SOI) waveguides and optical fibers. The grating is only 13 μm long and 12 μm wide, and the size of the grooves is optimized numerically. For TE polarization the coupling loss to single-mode fiber is below 1 dB over a 35-nm wavelength range when using SOI with a two-pair bottom reflector. The tolerances to fabrication errors are also calculated.

© 2004 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(130.0130) Integrated optics : Integrated optics

Citation
Dirk Taillaert, Peter Bienstman, and Roel Baets, "Compact efficient broadband grating coupler for silicon-on-insulator waveguides," Opt. Lett. 29, 2749-2751 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-23-2749

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