| 摘要 |
An apparatus for routing a plurality of optical input signals to a plurality of optical output connections. In one embodiment, a plurality of optical switches are combined to route a number of optical signals that exceed the number of optical inputs for a single switch. The switch array includes a plurality of input switches optically connected to a plurality of intermediate switches, which are optically connected to a plurality of output switches. In the embodiments in which the number of input switches exceed the number of optical outputs of a single input switch, the input switches, intermediate switches, and output switches are arranged in groups or sets.
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