We demonstrate an apodized fiber-to-chip grating coupler using fully etched photonic crystal holes on the silicon-on-insulator platform. An ultra-high coupling efficiency of 1.65 dB (68%) with 3 dB bandwidth of 60 nm is experimentally demonstrated.
2013 Conference on Lasers and Electro-optics Pacific Rim (cleo-pr), 2013
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2013 Conference on Lasers and Electro-Optics Pacific Rim, 2013