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Silicon sandwiched slot waveguide grating couplers

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9 Author(s)
J. V. Galan ; Universidad Politecnica Valencia ; P. Sanchis ; J. Blasco ; A. Martinez
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Grating couplers for efficient coupling between silicon sandwiched slot waveguides and standard singlemode fibres are demonstrated. Coupling efficiency up to 20% is experimentally measured for TM polarisation and a wavelength of 1550% nm. A 20% nm 1% dB bandwidth is also obtained. Higher coupling efficiency is expected for particular designs according to simulation results.

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Electronics Letters  (Volume:45 ,  Issue: 5 )