| http://www.w3.org/ns/prov#value | - The invention is therefore directed, in the embodiments discussed below, to a system and method for all-optical switching system such as network or fabric-switch, in which optical elements 171 are equipped with tunable laser transmitter 172 and/or tunable receiver 173, as shown in FIG. 17B. Both tunable elements are controlled by the electrical layer 174.
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