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Search: WFRF:(Sattler Guillaume)

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1.
  • Maire, Guillaume, et al. (author)
  • High efficiency silicon nitride surface grating couplers
  • 2008
  • In: Optics Express. - 1094-4087. ; 16:1, s. 328-333
  • Journal article (peer-reviewed)abstract
    • High efficiency surface grating couplers for silicon nitride waveguides have been designed, fabricated, and characterized. Coupling efficiencies exceeding 60 % are reported at a wavelength of 1.31 mu m, as well as angular and wavelength -3 dB tolerances of 4 and 50 nm, respectively. When the wavelength is increased from 1310 nm to 1450 nm the coupling efficiency progressively decreases but remains above 20 % at 1450 nm. The influence of the duty ratio of the grating has also been investigated: maximum coupling efficiency was obtained at 50 % duty ratio.
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2.
  • Vivien, Laurent, et al. (author)
  • A high efficiency silicon nitride grating coupler
  • 2007
  • In: 2007 4th IEEE International Conference on Group IV Photonics. - : IEEE. - 9781424409341 ; , s. 157-159
  • Conference paper (peer-reviewed)abstract
    • The experimental demonstration of a high efficiency silicon nitride grating coupler is reported for wavelengths from lambda=1.25 to 1.45 mu m for TE polarization. At the resonant angle, a coupling efficiency higher than 60% has been measured.
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