Monolithic integration of silicon nanophotonics with CMOS
Solomon Assefa, William M. J. Green, et al.
IPC 2012
We present ultracompact integrated optical echelle grating wavelength-division-multiplexing (de)multiplexers for on-chip optical networks, fabricated using high-index-contrast silicon-on-insulator photonic waveguide technology. These devices are based on a design with two stigmatic points, which enables compact geometries with reduced aberrations. In the example presented here, this design allows us to achieve an eight-channel (de)multlplexer with 3.2-nm channel spacing, within an ultracompact footprint of 250 × 200 μm. The channel-to-channel isolation of the devices is 19 dB. The minimum insertion loss, relative to a straight waveguide, is 3 dB with a channel-to-channel variation of 0.5 dB. © 2009 IEEE.
Solomon Assefa, William M. J. Green, et al.
IPC 2012
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