16X100 GHz Echelle Grating based Wavelength Multiplexer on Silicon-on-Insulator Platform
15 March 2015
This letter reports on an Echelle grating demultiplexer for dense wavelength-division-multiplexing applications with 16 channels and 100GHz channel spacing. The Echelle grating is designed and fabricated on a silicon-on-insulator platform with a silicon guiding layer of 300 nm. The measured insertion losses of the Echelle grating are lower than 2dB for all channels and the crosstalk is below 15dB. Error free transmission was obtained for all channels with negligible penalty.