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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 5 — Mar. 11, 2013
  • pp: 5688–5700

Bandwidth analysis of waveguide grating coupler

Zhe Xiao, Tsung-Yang Liow, Jing Zhang, Ping Shum, and Feng Luan  »View Author Affiliations

Optics Express, Vol. 21, Issue 5, pp. 5688-5700 (2013)

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The bandwidth of planar waveguide grating couplers is theoretically investigated based on the rigorous grating theory. We observe that the bandwidth behavior is not only determined by the grating coupler intrinsic properties, but also affected by the fiber parameters such as position, beam waist and Numerical Aperture. The rigorous bandwidth formula is derived. By analyzing the formula, several practical guidelines are proposed for grating coupler design and fiber operation in order to achieve wideband performance.

© 2013 OSA

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(130.0130) Integrated optics : Integrated optics

ToC Category:
Integrated Optics

Original Manuscript: October 26, 2012
Revised Manuscript: November 14, 2012
Manuscript Accepted: November 20, 2012
Published: March 1, 2013

Zhe Xiao, Tsung-Yang Liow, Jing Zhang, Ping Shum, and Feng Luan, "Bandwidth analysis of waveguide grating coupler," Opt. Express 21, 5688-5700 (2013)

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