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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 12, Iss. 26 — Dec. 27, 2004
  • pp: 6481–6490

Input-grating couplers for narrow Gaussian beam: influence of groove depth

Chubing Peng and William A Challener  »View Author Affiliations

Optics Express, Vol. 12, Issue 26, pp. 6481-6490 (2004)

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Input-grating coupling characteristics have been studied for narrow Gaussian beam incidence and finite-length grating coupler with an electromagnetic full-vector field model based on the finite-difference time domain (FDTD) method. Analytic analysis based on perturbation theory has been compared to the FDTD technique. The influences of the variation in grating period, modulation depth, corrugation, and beam size have been investigated. Certain aspects of the calculated results have been confirmed with experiments.

© 2004 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(210.0210) Optical data storage : Optical data storage
(230.3990) Optical devices : Micro-optical devices
(230.7390) Optical devices : Waveguides, planar

ToC Category:
Research Papers

Original Manuscript: August 24, 2004
Revised Manuscript: November 19, 2004
Published: December 27, 2004

Chubing Peng and William Challener, "Input-grating couplers for narrow Gaussian beam: influence of groove depth," Opt. Express 12, 6481-6490 (2004)

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