Abstract

We describe a general construction for space–wavelength log2(FW;m; p) networks capable of wave-mixing conversion, including previous designs proposed in the literature, where F is the number of fibers and W is the number of wavelengths per fiber. In these networks, a lightpath is converted through at most f log2W +min(m; log2 W)g cascaded conversions, with O(pF log2 W) converters. Therefore the new construction enables the design of rearrangeably and strictly nonblocking log2(FW;m;p) wavelength interchanging cross connects, respectively, with O[F log2 W(FW)1=2=2m=2] and O[F log2 Wf(FW)1=2=2m=2+mg] wave-mixing converters. It also provides a trade-off between transmission impairments and converter requirements.

© 2002 Optical Society of America

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