Abstract
Transparent, all-optical cross-connect switches provide non-blocking,
one-to-one reconfigurable interconnections between any of $N$ input fibers and any of $N$ output fibers. Cross-connects based on all-fiber rather than free-space
interconnections have the potential for low opto-mechanical complexity,
miniaturization, high optical power handling and ideal optical performance.
In this paper, we propose and analyze novel architectures for large-scale,
all-fiber cross-connects based on the application of Theory of Knots and
Braids to fiber switching and compare them on the basis of scalability,
modularity and reconfiguration time. A prototype 140 input by 140 output,
automated all-fiber cross-connect is developed to demonstrate these
concepts.
© 2009 IEEE
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