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Applied Optics

Applied Optics


  • Vol. 16, Iss. 12 — Dec. 1, 1977
  • pp: 3230–3236

Bragg effect waveguide coupler analysis

W. Y. Wang and T. J. DiLaura  »View Author Affiliations

Applied Optics, Vol. 16, Issue 12, pp. 3230-3236 (1977)

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We present an approach to the analysis of a holographically produced grating coupler, in which we separate the coupling problem into independent slab waveguide and diffraction grating problems. Considering the guiding structure as a slab waveguide, we obtain the parameters of the propagating modes of the coupler through conventional analysis. The diffraction efficiency of the grating orders are then calculated by using the thin grating decomposition method (TGD). Utilizing the propagating mode angles of the waveguide and the calculated diffraction efficiencies of the grating, we are able to calculate the radiation loss coefficient and therefore the coupling efficiency of the holographic waveguide coupler.

© 1977 Optical Society of America

Original Manuscript: March 26, 1977
Published: December 1, 1977

W. Y. Wang and T. J. DiLaura, "Bragg effect waveguide coupler analysis," Appl. Opt. 16, 3230-3236 (1977)

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  1. K. Ogawa, W. S. C. Chang, Appl. Opt. 12, 2167 (1973). [CrossRef] [PubMed]
  2. S. T. Peng, T. Tamir, H. L. Bertoni, IEEE Trans. Microwave Theory Tech. 23, 123 (1975). [CrossRef]
  3. R. Alferness, Appl. Phys. 7, 29 (1975). [CrossRef]
  4. H. Kogelnik, T. P. Sosnowski, Bell Syst. Tech. J. 49, 1602 (1970).
  5. R. Alferness, J. Opt. Soc. Am. 66, 533 (1976). [CrossRef]

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