Abstract

We describe what we believe to be new designs for all-optical cross connects, capable of wavelength conversion. They are based on two-dimensional, space–wavelength, Benes or Cantor topologies, and they exploit cascaded wave-mixing bulk frequency conversion. In these cross connects many channels at distinct frequencies can be simultaneously frequency translated in a common wave-mixing device, and a given lightpath may be converted many times between its input and output. The new wavelength-interchanging cross connects are nonblocking and require <i>O</i>{<i>F</i> log<sub>2</sub> <i>W</i>[log<sub>2</sub>(<i>FW</i>)]<sup><i>n</i></sup>} wave-mixing converters, where <i>n</i> = 0, 1.

© 2002 Optical Society of America

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