Improved techniques were used to fabricate a silica-on-Si waveguide with a higher core-to-cladding index difference and a 2 mm bending radius. A 256 channel and 25 GHz spacing arrayed-waveguide multiplexer with low loss and low crosstalk was successfully fabricated for the first time using the waveguides.
© 2000 Optical Society of AmericaPDF Article
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