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40 Gb/s NRZ-DPSK Packet Routing and Phase Demodulation Through a 2.5 Tb/s Optical Switch Fabric with 0.8 b/s/Hz Spectral Efficiency

01 January 2003

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We demonstrate error-free 40 Gb/s packet routing using NRZ-DPSK format through a 64x64 passive optical switch fabric whose 25 GHz passband converts phase into amplitude modulation so that direct detection can be used.