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Using three co-polarized probes and a pump modulated signal, seven multicasting channels with 100-GHz spacing are demonstrated. The conversion efficiency fluctuation due to polarization sensitivity is reduced from more than 20 dB to 5 dB.
A configuration for hi-fi all-optical tunable delay based on high chirp-rate grating and four-wave mixing in a highly-nonlinear photonic crystal fiber is proposed. 8 times pulse width with broaden ratio of 2.08% are achieved.
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