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