Abstract
Large photonic space switching networks can be built from 2 × 2 directional couplers (called switches hereafter) with Multistage Interconnection Network (MIN) architectures. These switches can cause problems such as crosstalk and optical path loss. Studies have shown that based on the current characteristics of these switches, crosstalk limits the size of a network more than path loss does [1, 5].
© 1993 Optical Society of America
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