Abstract
The successful development of optical fibre networks towards fibre to the home systems will require the development of low cost passive optical branching components. Silica-on-silicon integrated optics technology is well suited to the fabrication of such devices. A key feature of this technology is that v-grooves for holding the input and output fibres can be precisely defined in the silicon substrate as part of the waveguide fabrication process, allowing passive fibre to waveguide alignment, leading to low cost device assembly and rugged fibre to waveguide coupling. Low loss (0.1 dB/cm) single mode channel waveguides with low interface loss to single mode fibre (0.2 dB/interface) (ref 1) have previously been demonstrated at BNR Europe Limited.
© 1993 Optical Society of America
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