Abstract
Silicon micromachining can be used to fabricate motherboards onto which optical, optoelectronic and electronic components can be aligned using low-cost passive alignment techniques. Further functionality can be added by incorporating planar silica waveguides, which route the optical signal within the motherboard and may also perform optical processing functions. This paper begins by describing some motherboard elements developed at BT Laboratories, then discusses examples of two modules which have been fabricated, combining several of these elements to form optical sub-systems.
© 1996 Optical Society of America
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