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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 15 — Aug. 1, 2013
  • pp: 2732–2734

Ultrahigh-efficiency apodized grating coupler using fully etched photonic crystals

Yunhong Ding, Haiyan Ou, and Christophe Peucheret  »View Author Affiliations

Optics Letters, Vol. 38, Issue 15, pp. 2732-2734 (2013)

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We present an efficient method to design apodized grating couplers with Gaussian output profiles for efficient coupling between standard single mode fibers and silicon chips. An apodized grating coupler using fully etched photonic crystal holes on the silicon-on-insulator platform is designed, and fabricated in a single step of lithography and etching. An ultralow coupling loss of 1.74dB (67% coupling efficiency) with a 3 dB bandwidth of 60 nm is experimentally measured.

© 2013 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(130.0130) Integrated optics : Integrated optics
(230.1950) Optical devices : Diffraction gratings
(230.3120) Optical devices : Integrated optics devices

ToC Category:
Optical Devices

Original Manuscript: May 16, 2013
Revised Manuscript: June 21, 2013
Manuscript Accepted: July 1, 2013
Published: July 24, 2013

Yunhong Ding, Haiyan Ou, and Christophe Peucheret, "Ultrahigh-efficiency apodized grating coupler using fully etched photonic crystals," Opt. Lett. 38, 2732-2734 (2013)

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