Experimental demonstration of an ultracompact Si-nanowire-based reflective arrayed-waveguide grating (de) multiplexer with photonic crystal reflectors
An ultracompact reflective arrayed-waveguide grating (AWG)(de) multiplexer based on Si
nanowires is demonstrated for the first time (to our knowledge). Each waveguide in the array
has an individual photonic crystal (PhC) reflector at its end, making the AWG layout design
very flexible. An eight-channel AWG (de) multiplexer with a channel spacing of 400 GHz is
demonstrated experimentally. The total size of the fabricated AWG is as small as 134μm×
115μm. The excess loss of the fabricated reflective AWG (de) multiplexer is about 3–4 dB …
nanowires is demonstrated for the first time (to our knowledge). Each waveguide in the array
has an individual photonic crystal (PhC) reflector at its end, making the AWG layout design
very flexible. An eight-channel AWG (de) multiplexer with a channel spacing of 400 GHz is
demonstrated experimentally. The total size of the fabricated AWG is as small as 134μm×
115μm. The excess loss of the fabricated reflective AWG (de) multiplexer is about 3–4 dB …
An ultracompact reflective arrayed-waveguide grating (AWG) (de)multiplexer based on Si nanowires is demonstrated for the first time (to our knowledge). Each waveguide in the array has an individual photonic crystal (PhC) reflector at its end, making the AWG layout design very flexible. An eight-channel AWG (de)multiplexer with a channel spacing of 400 GHz is demonstrated experimentally. The total size of the fabricated AWG is as small as 134μm×115μm. The excess loss of the fabricated reflective AWG (de)multiplexer is about 3–4 dB, and the crosstalk is about −12dB.
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