Abstract
The size of an optical switching network based on 2×2 optical switching elements, is limited by a series of factors: the relatively small phisical size of the substrate (no more than 100×75 mm for LiNbO3), the phisical size, loss and crosstalk of the switching element, the loss introduced by the fiber-substrate coupling and the large radii (more than 1 cm) imposed to the waveguide to keep bend loss around few hundredths of dB/degree.
© 1987 Optical Society of America
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