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Optics Express

Optics Express

  • Vol. 16, Iss. 16 — Aug. 4, 2008
  • pp: 12207–12213

Design of resonance grating coupler

Shogo Ura, Shunsuke Murata, Yasuhiro Awatsuji, and Kenji Kintaka  »View Author Affiliations

Optics Express, Vol. 16, Issue 16, pp. 12207-12213 (2008)

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A new integrated-optic coupler was proposed for coupling a guided wave to a free-space wave propagating vertically from the waveguide surface. The coupler consists of a grating coupler in a cavity formed by two distributed Bragg reflectors, and has a small aperture. The cavity was designed to eliminate both transmission and reflection of the incident guided wave, resulting in 100 % radiation by a several-micron aperture. Design consideration was theoretically discussed based on the coupled mode analysis. Predicted performance was simulated and confirmed by the finite difference time domain method.

© 2008 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(130.3120) Integrated optics : Integrated optics devices
(230.1950) Optical devices : Diffraction gratings
(230.3120) Optical devices : Integrated optics devices

ToC Category:
Integrated Optics

Original Manuscript: June 16, 2008
Revised Manuscript: July 28, 2008
Manuscript Accepted: July 28, 2008
Published: July 30, 2008

Shogo Ura, Shunsuke Murata, Yasuhiro Awatsuji, and Kenji Kintaka, "Design of resonance grating coupler," Opt. Express 16, 12207-12213 (2008)

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