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We demonstrate a reconfigurable all-optical logic gate for NRZ-PolSK signal based on FWM in a highly nonlinear fiber at 10Gb/s. Half subtracter, XOR, AB̄, ĀB or XNOR, AND, and NOR logic gates can be implemented simultaneously. The input power for the HNLF is optimized to be as low as about 15.2dBm and the high Q factors above 8dB for eye diagrams are achieved. Experimental results show Q factors...
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