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2006 European Conference on Optical Communications
We present compact and highly efficient grating couplers in bonded InP-membranes for coupling between single-mode optical fiber and nanophotonic waveguides. We have measured 56% coupling efficiency on grating couplers extended with a gold bottom mirror.doi:10.1109/ecoc.2006.4801040 fatcat:d24saitio5f2banb64tuekyxfq