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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 11 — Jun. 1, 2007
  • pp: 1495–1497

High efficiency grating coupler between silicon-on-insulator waveguides and perfectly vertical optical fibers

Günther Roelkens, Dries Van Thourhout, and Roel Baets  »View Author Affiliations


Optics Letters, Vol. 32, Issue 11, pp. 1495-1497 (2007)
http://dx.doi.org/10.1364/OL.32.001495


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Abstract

A high-efficiency waveguide-to-fiber grating coupler for silicon-on-insulator waveguides was designed. Perfectly vertical fiber coupling is achieved by using an asymmetric grating structure to suppress the second-order Bragg reflection from the grating. The ability to use a perfectly vertical positioned optical fiber simplifies the packaging of the photonic integrated circuit. A coupling efficiency of 80% at a wavelength of 1.55 μ m is obtained.

© 2007 Optical Society of America

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

ToC Category:
Diffraction and Gratings

History
Original Manuscript: February 8, 2007
Revised Manuscript: March 26, 2007
Manuscript Accepted: March 27, 2007
Published: May 4, 2007

Citation
Günther Roelkens, Dries Van Thourhout, and Roel Baets, "High efficiency grating coupler between silicon-on-insulator waveguides and perfectly vertical optical fibers," Opt. Lett. 32, 1495-1497 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-11-1495

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