Highly efficient vertical fiber interfacing grating coupler with bilayer anti-reflection cladding and backside metal mirror
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DOI: 10.1016/j.optlastec.2016.08.001
Abstract: Abstract A highly efficient bidirectional grating coupler for perfectly vertical coupling is designed. With a Si3N4/SiO2 bilayer structure and a backside metal mirror acting as anti-reflection cladding (ARC) and substrate reflector respectively, the coupling efficiency… read more here.
Keywords: metal mirror; grating coupler; coupler; bilayer ... See more keywords