An apparatus and method for routing optical signals in which at least one demultiplexer receives and demultiplexes {HEAD ~ an incoming wavelength division} multiplexed {TAIL ~ optical signal} into n individual channels 
multiplexed
An apparatus and method for routing optical signals in which at least one demultiplexer receives and demultiplexes { HEAD ~ an incoming wavelength division } multiplexed { TAIL ~ optical signal } into n individual channels
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