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Applied Optics

Applied Optics


  • Vol. 43, Iss. 29 — Oct. 10, 2004
  • pp: 5468–5475

Quasi-free-space optical coupling between diffraction grating couplers fabricated on independent substrates

Anthony V. Mulé, Ricardo Villalaz, Thomas K. Gaylord, and James D. Meindl  »View Author Affiliations

Applied Optics, Vol. 43, Issue 29, pp. 5468-5475 (2004)

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Optical coupling between preferential-order volume diffraction grating couplers fabricated on independent substrates is demonstrated. The coupling efficiency between gratings is quantified as a function of both grating and waveguide fabrication technology and relative angular position of the two substrates. A maximum grating-to-grating coupling efficiency of 31% is reported for coupling between two nonoptimized, nonfocusing, unpatterned volume grating couplers.

© 2004 Optical Society of America

OCIS Codes
(050.7330) Diffraction and gratings : Volume gratings
(130.2790) Integrated optics : Guided waves
(200.4650) Optics in computing : Optical interconnects
(230.7380) Optical devices : Waveguides, channeled

Original Manuscript: February 25, 2004
Revised Manuscript: June 29, 2004
Published: October 10, 2004

Anthony V. Mulé, Ricardo Villalaz, Thomas K. Gaylord, and James D. Meindl, "Quasi-free-space optical coupling between diffraction grating couplers fabricated on independent substrates," Appl. Opt. 43, 5468-5475 (2004)

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